KGS--Bulletin 72--Upper Cambrian and Lower Ordovician Rocks in Kansas--Insoluble Residues

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Descriptions of Insoluble Residues

Detailed descriptions of insoluble residues of cuttings of pre-St. Peter rocks in 15 representative wells are given below. These wells are shown on Plate 6.

La Salle Oil Company No. 1 Gobl, SE cor. NW sec. 20, T. 28 S., R. 25 E., Crawford County, Kansas. No. 13, cross sections B-B' and E-E" (Figs. 10 and 12).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of Cotter-Jefferson City sequence, 725.
725-730	12	Chert, bluish, semitranslucent, 30%; chert, fine, dolocastic, some of the fragments having a nondolocastic core, 30%; shale, caved, gray, 30%; pyrite, massive, some of it pitted and rather spongy in appearance, 10%.
730-740	20	Chert, white to tan, semitranslucent, vitreous, 100% trace massive pyrite.
740-750	20	Chert, white, dense to semitranslucent, vitreous, 70%; chert, dolocastic (dolocasts are coarse, 0.2 mm diameter, and matrix is soft, porous), 30%; trace massive pyrite.
750-760	10	Chert, bluish-white, semitranslucent, vitreous to somewhat quartzose, 95%; aggregates of quartz crystals, 5%.
760-770	10	Chert, blue and brown, translucent, with large brown oölites approximately 0.8 mm diameter, banded and ringed with white dense chert, 100%.
770-780	25	Chert, tan to bluish, semitranslucent, vitreous, with scattered dolocasts, 80%; shale, greenish-gray, soft, with scattered pyrite crystals, 15%; chert, medium fine, dolocastic, 5%.
780-790		Samples missing.
790-800	12	Chert, white, dense to semitranslucent, vitreous, with veinlets of crystalline quartz and scattered white oölites, 85%; chert, fine, soft, porous, dolocastic, 15%.
800-810	15	Chert, white, vitreous, porcelaneous, grading into a semitranslucent, vitreous chert, 80%; chert, very finely dolocastic, 10%; sand, extremely well sorted, in clusters (grains average 0.2mm diameter; some secondary quartz enlargement has taken place) 10%.
810-820	2	Chert, white, dense, porcelaneous, with scattered white banded oölites, grading to white semitranslucent vitreous chert, 98%; sand, as above, 2%.
820-830	25	Chert, white, semitranslucent, with small white banded oölites, 70%; chert, medium fine, dolocastic, soft and porous, dolocasts closely spaced, walls thin, unbroken, 20%; chert, white to cream, porcelaneous, 10%.
830-840	20	Chert, bluish white, semitranslucent, 40% chert, cream to white, porcelaneous, 26%; chert, light tan, semitranslucent, with numerous brown translucent oölites ringed with dense white chert, 20%; chert, dolocastic, as above, 10%; sand, clusters of fine, bright, angular, well sorted, 2%; sand, medium coarse, rounded, frosted, showing secondary quartz enlargement, 2%; trace bright green shale.
840-850	10	Chert, white to bluish, semitranslucent, vitreous, with very fine pyrite crystals scattered over the surface, 85%; chert, medium fine, dolocastic (walls are thin and broken; some fragments have dense chert at the core), 10%; chert, white, porcelaneous, 5%.
850-860	15	Chert, medium fine, dolocastic (matrix is porous, walls thin but broken, and chert has a mealy appearance), 50%; chert, white porcelaneous, 20%; chert, bluish white, semitranslucent, vitreous, 20%; chert, quartzose, and aggregates of quartz crystals, 10%; trace of green shale.
860-870	25	Chert, tan to cream, semitranslucent, with scattered large, brown, translucent and white, clear oölites, 85%; chert, quartzose, and aggregates of quartz crystals, 10%; chert, dolocastic, as above, 5%.
870-880	25	Chert, light tan to cream, semitranslucent, vitreous, with scattered large brown oölites, 85%; chert, cream, vitreous, porcelaneous, 10%; chert, quartzose, and aggregates of quartz crystals, 5%.
880-890	10	Chert, tan to bluish, semitranslucent, vitreous, contain- ing clear glassy oölites or included sand grains, 75%; chert, coarse, dolocastic, walls thick and unbroken, 10%; quartz, crystalline, aggregates, and quartzose chert, 10%; chert, cream, vitreous, porcelaneous, 5%.
890-900	10	Chert, tan with brown oölites, as above, 40%; sand, bright, angular, averaging 0.2mm diameter, (larger grains, approximately 0.5 mm diameter, may be rounded and frosted), 30%; chert, tan, quartzose, 20%; chert, white, vitreous, porcelaneous, 10%; trace green shale.
900-910	15	Chert, light tan to bluish, semitranslucent, vitreous, 80%; chert, tan, quartzose, as above, 20%.
910-920	12	Chert, tan to bluish, semitranslucent, with scattered dark brown oölites, 85%; quartz, drusy, medium dark brown crystalline, 10%; quartz fragments, crystalline, clear, 5%.
920-930	20	Chert, very finely dolocastic, fragments having a mealy appearance, 95%; chert, white, vitreous, porcelaneous, with scattered pyrite crystals on surface, 5%.
930-940	20	Chert, light tan, semitranslucent, vitreous, with fine pyrite crystals scattered on surface, 65%; chert, finely dolocastic, as above, 20%; quartz, drusy, medium brown, crystalline, 10%; quartz fragments, milky, 5%.
940-950	15	Chert, cream to tan, dense, somewhat granular, 40%; chert, bluish to tan, translucent, opalescent, 35%; chert, fine, dolocastic, as above, 15%; quartz, drusy, brown, as above, 10%.
950-960	18	Chert, tan to bluish, semitranslucent, vitreous, with numerous white dense and brown translucent oölites, 70%; chert, cream to white, vitreous, porcelaneous, 15%; quartz fragments, angular, 10%; sand, fine, bright, angular, 5%.
960-970	15	Chert, tan to bluish, semitranslucent, vitreous, with numerous dark brown oölites, 85%; quartz, crystalline, fragments, and a few terminated quartz crystals, 10% sand, poorly sorted, rounded, frosted, 5%.
Top Roubidoux dolomite, 970.
970-975	20	Chert, tan to bluish, as above, 60%; chert, light tan, drusy, 25%; sand bright angular averaging 0.2mm diameter, 15%.
975-980	10	Chert, tan to bluish, as above, 65%; chert, tan, drusy, and fragments brown quartzose chert, 20%; sand, medium coarse, bright, angular, averaging approximately 0.4 mm diameter (trace of doubly terminated quartz crystals), 15%.
980-990	20	Sand, bright, angular, averaging 0.3 mm diameter and secondarily enlarged (few grains 1.0 mm diameter rounded and frosted), 30%; chert, quartzose, 30%; chert, white, vitreous, porcelaneous, 20%; chert, cream to tan, semitranslucent, 20%.
990-1000	10	Sand, as above, 50%; chert, bluish-white, semitranslucent, 30%; chert, quartzose, 20%.
1000-1030	15	Sand, as above, 50%; chert, bluish-white, translucent, with numerous large white oölites which may be included sand grains, 50%.
1030-1040	5	Sand as above, 75%; chert, bluish-white, as above, oölites less numerous, 25%.
1040-1050	1	Sand, as above, 50%; chert, white, dense, with numerous large included sand grains, 50%.
1050-1060		Samples missing.
1060-1065	12	Sand, as above, 80%; chert, bluish-white, translucent, 20%.
1065-1070	10	Chert, bluish-white, translucent, with a few included sand grains, 50%; sand, as above, 30%; chert, tan, semitranslucent to quartzose, 20%; white oölites which may be coated sand grains are free in the sample; trace of bright green shale.
1070-1110	30	Sand, as above, 100%.
1110-1115	1	Sand, as above, 75%; chert, white, dense, dull to quartzose, 25%.
1115-1135	25	Sand, as above, 100%.
Top Gasconade-Van Buren sequence, 1135.
1135-1145	10	Chert, blue to tan, semitranslucent,vitreous, 50%; quartz, drusy, white to medium dark gray, brown, and light green, 25%; sand as above, 25%.
1145-1200		Samples missing.
1200-1220	20	Chert, cream to white, dense, vitreous, 90%; chert, lacy, dolocastic, 10%.
1220-1230	15	Chert, cream to white, as above, 80%; chert, tripolitic, 20%.
1230-1240	10	Chert, white, dense to semitranslucent, vitreous, 60%; chert, tripolitic, 40%.
1240-1250	12	Chert, tripolitic, 50%; chert, white, vitreous, porcelaneous, grading to semitranslucent, vitreous, 50%.
1250-1270	10	Chert, tripolitic, 40%; chert, porcelaneous, as above, 30%; chert, light tan, semitranslucent, semiquartzose, 30%.
1270-1310	10	Chert, porcelaneous, as above, 100%. The surface of many of the fragments is altered to tripolitic chert.
1310-1320	5	Chert, porcelaneous, as above, 45%; chert, very coarsely dolocastic (0.4 mm diameter), lacy-appearing, white, 30%; chert, quartzose, 20%; sand, ranging from 0.5 to 0.1 mm diameter, mostly rounded, 5%; considerable amount spongy pyrite.
1320-1330	10	Chert, porcelaneous, as above, 35%; chert, quartzose, and aggregates of crystalline quartz, 30%; chert, dolocastic, as above, 20%; chert, tripolitic, 15%.
Top Gunter sandstone member of the Van Buren formation, 1330.
1330-1340	5	Sand, ranging from 1.0 mm to 0.1 mm in diameter (all but finest grains are rounded and frosted, some grains being perfectly spherical), 80%; chert, porcelaneous, 15%; chert, dolocastic, 5%.
Top Eminence dolomite, 1340.
1340-1350	5	Sand, as above, except many grains are bright and angular due to secondary quartz enlargement, 70%; chert, white to cream, porcelaneous, 30%; aggregates of pyrite crystals present.
1350-1360	8	Sand, as above, 40%; chert, bluish-white, semitranslucent, opalescent, 30%; chert, white, porcelaneous, 20%; chert, light tan, translucent, quartzose, 10%.
1360-1370	3	Sand, as above, 50%; chert, white, dense to semitranslucent, vitreous, 35%; chert, coarse, lacy, dolocastic, 10%; chert, tripolitic, 5%; trace angular fragments milky and crystalline quartz.
1370-1380		No residue.
1380-1400	8	Sand, as above, 70%.; chert, bluish-white, semitranslucent, vitreous, 30%.
1400-1410	0.5	Chert, white, dense, vitreous, 40%; sand, as above, 40%; chert, drusy, and angular crystalline quartz fragments, 20%; considerable amount of pyrite in aggregates of fine crystals.
1410-1420	0.2	Chert, white, dense to semitranslucent, 80%; sand, fine, approximately 0.2 mm diameter, rounded and frosted, 10%; masses of fine pyrite crystals, 10%.
1420-1430	1	Chert, bluish-white, semitranslucent, 60%; sand, as above, 30%; quartz, angular fragments, milky, 10%; considerable amount of crystalline pyrite.
1430-1440	2	Chert, white, as above, 65%; sand, as above, 25%; chert, light tan, drusy, 10%.
1440-1450	1	Chert, quartzose and drusy, 90%; pyrite, in spongy and finely crystalline masses, 10%.
1450-1460	2	Chert, white, dense to semitranslucent, 45%; chert, light tan, translucent to quartzose, 25%; sand, bright, angular, 1.0 mm to 0.1 mm diameter but averaging 0.7 mm diameter, 20%; chert, finely dolocastic, porous, 10%; considerable amount of pyrite in masses of fine crystals, some of them in the shape of tiny balls.
1460-1470	3	Chert, white, semiquartzose, 55%; sand, as above, 30%; chert, tan, quartzose, as above, 15%; considerable amount spongy pyrite.
1470-1480	2	Chert, tan to bluish, semitranslucent, vitreous, 50%; sand, as above, 40%; chert, finely dolocastic, porous 10%; considerable amount of pyrite in fine crystal aggregates.
1480-1490	3	Chert, light tan, semitranslucent, semiquartzose, with numerous scattered large dolocasts 0.2 mm diameter, 90%; sand, as above, 10%; considerable amount of spongy pyrite and pyrite balls.
1480-1490 (duplicate sample)	0.1	Chert, white, drusy, 50%; chert, bluish-white, semitranslucent, 20%; pyrite, both massive and in aggregates of fine crystals, 15%; chert, tan, as above, 15%.
1490-1500	3	Chert, tan, with scattered dolocasts as above,
1500-1507	0.1	Chert, tan, with scattered dolocasts, as above, 75%; pyrite, spongy, tarnished, 25%.
1507-1512	0.1	Chert, very finely dolocastic, mealy-textured, 100%; considerable amount spongy pyrite.
Top Bonneterre dolomite, 1512.
1512-1567	5	Shale, brown, spongy, sandy, 100% considerable amount massive pyrite.
1567-1573	3	Shale, brown, spongy, sandy, 100%; considerable amount glauconite grains and massive pyrite fragments.
1573-1587	8	Shale, light brown, spongy, sandy, 100%; considerable amount of massive pyrite.
1587-1605	15	Shale, brown, spongy, sandy, becoming clusters of very fine sand, 100%; minor amount of pyrite.
1605-1635	30	Sand, very fine (75% in clusters and 25% free), 100%; minor amount of pyrite; trace glauconite.
1635-1655	25	Sand, very fine, approximately 50% free, 100%; fine grains of glauconite are associated with the sand clusters and free sand.
1655-1668	23	Sand, very fine, in clusters and free, associated with a very great deal of glauconite in fine and very large grains, 100%.
1663-1685	25	Sand, micaceous, fine, in clusters and free, associated with fine grains of glauconite, 100%.
1685-1690	25	Sand, fine, associated with a very great deal of glauconite in fine and large grains, some of which measure 1.0 mm across, and small fragments of mica, 100%.
1690-1699	37	Sand, as above, 100%.
1699-1710		Samples missing.
Top Lamotte sandstone, 1710.
1710-1713	45	Sand, coarse, averaging 0.8 mm diameter, and rounded and frosted, 100%.
1713-1720	72	Sand, coarse, both rounded frosted and bright angular, 100%.
1720-1725	100	Sand, coarse, bright, angular, averaging 1.0 mm diameter, 100%; quartz crystal faces and crystal terminations common.
1725-1730	100	Sand, as above, but including large flaky and sharp needle-like fragments of quartz, 100%.
1730-1760	100	Sand, as above, 100%; some grains appear to be derived from amethyst quartz.
1760-1842	100	Sand, coarse, basal, as above, with numerous flaky grains, 100%; few pieces weathered feldspar.
Top Pre-Cambrian granite, 1840.
T. D. Pink granite.

Holeman and Edwards No. 9 Pollman, SE SE sec. 35, T. 19 S., R. 24 E., Linn County, Kansas. No. 24, cross section C-C' (Fig. 11).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Samples start 882
Eroded top of the Cotter-Jefferson City sequence, 889.
889-896	44	Chert, bluish-white, semitranslucent, waxy, 40%; chert, light, tan, translucent, semiquartzose, with a few large brown oölites, 40%; chert, cream, dense, with altered tripolitic surface, 20%.
896-900	34	Chert, bluish-white, translucent, semiquartzose, 60%; sand, bright, angular, averaging 0.4mm diameter, 20%; chert, white, vitreous, porcelaneous, with some altered surfaces tripolitic and dolocastic, 20%; trace spongy pyrite.
900-905	20	Chert, bluish-white, as above, 60%; chert, cream, porcelaneous, with scattered medium fine dolocasts, 25%; sand, as above, 15%.
905-910	16	Chert, bluish, translucent, opalescent, 75%; sand, as above, 20%; chert, porcelaneous, with scattered dolocasts, 5%.
910-915	6	Chert, bluish, as above, 70%; chert, white, porcelaneous, 15%; sand, as above, 15%.
915-920	40	Chert, white to tan, semitranslucent, vitreous to semiquartzose, showing occasional bandings, 70%; chert, cream, very finely dolocastic, mealy-textured, 30%.
920-925	40	Chert, white to tan, as above, 70%; chert, dolocastic, as above, 25%; sand, bright, angular, 5%.
925-930	48	Sand, bright, angular, ranging from 1.0 to 0.1 mm diameter with flaky grains and quartz crystal faces indicative of secondary enlargement, 95%; chert, white, as above, 5%.
930-935	64	Chert, medium dark gray and white semitranslucent, vitreous, 100%.
935-945	26	Sand, bright, angular, secondarily enlarged, 50% chert, white to tan, semitranslucent, vitreous, 50%.
945-960	10	Chert, white, as above, 100%.
960-965	30	Chert, white, as above, 87%; chert, cream, dull, dense to finely porous, 8%; chert, drusy, brown, 5%.
965-970	8	Chert, white, as above, 90%; chert, dense to porous, as above, 10%.
970-975	10	Chert, white, as above, 87%; chert, dense to porous, 8%; chert, tan, drusy, 5%.
975-980	14	Chert, white, as above, 80%; chert, brown, drusy, 10%; chert, dense to porous, as above, 5%; sand, fine, bright, angular, 5%.
980-985	10	Chert, white as above, 85%; sand, fine, bright, angular, 10%; chert, brown, drusy, 5%.
985-990	8	Chert, white, as above, 70%; sand, fine, bright, angular, averaging 0.2 mm diameter, with flaky grains, and quartz crystal faces indicative of secondary enlargement, 20%; chert, brown, drusy, 10%.
990-995		Samples missing.
995-1000	14	Chert, blue to tan, semitranslucent, vitreous, 60%; chert, finely dolocastic, mealy-textured, 30%; sand, 0.8 to 0.1 mm diameter, angular, bright, rounded, frosted, 10%.
1000-1005	4	Chert, drusy, brown, 50%; chert, bluish, as above, 30%; chert, cream, porcelaneous, 20%.
1005-1015	10	Chert, drusy, brown, 75%; chert, bluish, as above, 25%.
1015-1020	34	Sand, bright, very angular, 1.0 to 0.1 mm diameter, 50%; chert, bluish, as above, 30%; chert, white, with included sand grains, 20%.
1020-1025	12	Sand, bright, angular, and sand grains in chert, 50%; chert, bluish, as above, 40%; chert, tan, dense, with scattered oölites, 10%.
1025-1030	28	Chert, cream, porous to tripolitic, 75%; chert, bluish as above, 25%.
1030-1035	2	Chert, bluish, as above, 40%; chert, porous, as above, 30%; chert, dark brown, drusy, 30%.
1035-1040	12	Chert, bluish, as above 55%; sand, fine, bright, angular, 0.3 to 0.8 mm diameter, rounded, frosted, 25%; chert, porous, as above, 20%.
1040-1045	26	Chert, bluish, as above, 70%; chert, porous, as above, 30%.
1045-1050	22	Chert, bluish, as above, 80%; chert, tripolitic, white, dense, 20%.
1050-1055	58	Chert, white, quartzose, 80%; sand, bright, angular, 20%; trace of oölites or sand grains encrusted with drusy quartz.
Top Roubidoux dolomite, 1055.
1055-1060	38	Sand, bright, angular, 1.0 to 0.1 mm diameter, and sand grains in chert, 80%; chert, white, dense to semitranslucent, 20%.
1060-1065	30	Sand, as above, 80%; chert, bluish, translucent, 20%.
1065-1070	30	Sand, averaging 0.5 mm diameter, 100%. Approximately 70% is rounded, frosted and 30% bright, extremely angular.
1070-1075	12	Sand, bright, angular, (few grains 1.0 mm diameter, rounded, frosted), 80%; chert, bluish, translucent, 20%.
1075-1080	28	Sand, fine, bright, angular, averaging 0.1 mm diameter, 45%; sand, poorly sorted, 1.0 to 0.1 mm diameter, the larger grains rounded and frosted, 45%; chert, bluish, as above, 10%.
1080-1085	46	Sand, poorly sorted, as above, 100%.
1085-1090	34	Chert, blue to tan, dense, with numerous included sand grains, 75%; sand, fine, bright, angular, 25%.
1090-1095	22	Sand, bright, angular, averaging 0.5 mm diameter, 90 chert, bluish-white, translucent, 10%.
1095-1100	28	Sand, fine, bright, angular, averaging 0.2 mm diameter, 70%; chert, gray, quartzose, 30%.
1100-1110	28	Sand, bright, angular, 65%; sand, rounded, frosted, 20%; chert, gray, quartzose, 15%.
1110-1115	22	Sand, bright, angular, 55%; chert, bluish-white to tan, semitranslucent, vitreous, 45%.
1115-1120	8	Sand, 100% (50% is fine, averaging 0.2 mm diameter, and 50% coarse, rounded, frosted, ranging up to 0.8 mm diameter); considerable amount of spongy pyrite.
1120-1125	8	Sand, as above, 100%.
1125-1130	4	Sand, as above, 60%; chert, bluish, translucent, with numerous included sand grains, 40%.
1130-1135	4	Sand, very fine, bright, angular, averaging less than 0.1 mm diameter, 75%; chert, bluish-white, translucent, 25%.
1135-1140	30	Chert, bluish, as above, 70%; sand, as above, 30%.
1140-1155	14	Chert; bluish, as above, 50%; sand, as above, 50%.
1155-1160	10	Sand, as above, 80%; chert, bluish, as above, 20%.
1160-1165	2	Sand, bright, angular, poorly sorted, ranging from 0.1 to 0.8mm diameter, 100%; considerable amount crystalline pyrite.
1165-1170	10	Chert, bluish-white, translucent, 30%; sand, as above, 30%; chert, dark brown, drusy, 20%; chert, gray quartzose to vitreous, 20%.
1170-1175	80	Sand, coarse, bright, angular, averaging 1.0 mm diameter, 100%; Conchoidal fracture, flaky grains and quartz crystal faces in evidence.
1175-1180	18	Sand, bright, angular, averaging 0.8 mm diameter, with trace rounded, frosted grains, 90%; chert, bluish-white, translucent, 10%.
1180-1185	8	Sand, bright, angular, averaging 0.3 mm diameter, with flaky grains and quartz crystal faces common, 75%; chert, as above, 25%.
Top Gasconade-Van Buren sequence, 1190.
1185-1195	4	Chert, blue to tan, semitranslucent, semiquartzose, 60%; sand, as above, 40%.
1195-1200	28	Chert, as above, 100%.
1200-1205	4	Chert, as above, 65%; sand, coarse to fine, bright, angular, 20%; chert, brown, drusy, 15%.
1205-1208	1	Chert, as above, 90%; sand, as above, 10%.
1208-1220	1	Sand, bright, angular, averaging 0.1 mm diameter, 50%; chert, as above, 50%; considerable amount of crystalline pyrite.
1220-1222	72	Chert, tan to medium dark brown, semitranslucent, semiquartzose to vitreous, with encrustations of quartz crystals, 100%.
1222-1225	48	Chert, white, dull, dense, 50%; chert, cream, tripolitic, 50%.
1225-1230	28	Same as above.
1230-1235	36	Chert, bluish-white, semitranslucent, vitreous, 90%; chert, tripolitic, with scattered dolocasts, 10%.
1235-1245		Samples missing.
1245-1250	52	Chert, bluish-white, as above, 100%.
1250-1255	36	Chert, as above, 90%; chert, white, dull, dense, 10%
1255-1260	28	Chert, bluish, as above, 80%; chert, white, dense, rough, 20%.
1260-1265	10	Chert, bluish, as above, 70%; chert, rough, as above, with scattered medium fine dolocasts, 30%.
1265-1270	8	Chert, cream, dense, smooth, porcelaneous, 50%; chert, cream, rough, dense, 50%.
1270-1276	8	Chert, bluish, translucent, 80%; chert, rough, as above, 20%; trace fragments of crystalline quartz.
1276-1282	12	Chert, white, smooth, vitreous, porcelaneous, with scattered large brown translucent oölites, 100%.
1282-1286	24	Chert, as above, 100%.
1286-1292	14	Chert, as above, 100%.
1292-1294		Samples missing.
1294-1297	18	Chert, white, dense, quartzose, with veinings and encrustations of crystalline quartz, 70%; chert, white, dense, rough, with scattered medium large dolocasts, 30%.
1297-1303	16	Chert, rough, as above, 50%; chert, tan, smooth, vitreous to quartzose, with scattered tan dense oölites and veinings of crystalline quartz, 50%.
1303-1310	10	Chert, as above, 100%.
1310-1324	34	Chert, as above, 100%.
Top Gunter sandstone member of the Van Buren formation, 1324.
1324-1330	24	Sand, bright, angular, ranging from 10 to 0.1 mm diameter (quartz crystal faces indicate secondary enlargement), 75%; chert, white, dense, smooth to rough, 25%; trace white oölites free in sample.
1330-1335	18	Sand, as above, 60%; chert, smooth to rough, as above, 40%.
1335-1340	12	Ozokerite (?) 100%.
1340-1345	2	Sand, bright, angular, ranging from 0.5 to 0.1 mm diameter, averaging 0.2 mm diameter, 70%; chert, white, semitranslucent, 30%; trace spongy pyrite.
1345-1350	2	Chert, light tan, smooth, dense to semitranslucent, 80%; sand, as above, 20%.
1350-1355	2	Sand, mostly rounded and frosted, averaging 0.2 mm diameter, 70%; chert, light tan, semitranslucent, with scattered large light tan translucent oölites, 30%; considerable amount of crystalline pyrite.
1355-1360	18	Chert, tan, smooth, semitranslucent to dense, 70%; chert, cream, dense, rough, 30%.
1360-1372	14	Sand, bright, angular, secondarily enlarged, ranging from 0.9 to 0.1 mm diameter, 80%; chert, white, dense, vitreous, 20%; trace white oölites free in sample.
Top Eminence dolomite, 1370.
1372-1378	16	Chert, tan, smooth, dense, 90%; sand, as above, 10%.
1378-1384	22	Chert, blue to tan, translucent, grading to medium gray, translucent, 60%; chert, white, smooth, dense, 25%; sand, bright, angular, and angular fragments crystalline quartz, 10%; quartz, drusy, dark brown, 5%.
1384-1390	4	Chert, blue to tan, translucent, semiquartzose, 60%; chert, white, smooth, dense, 25%; sand, bright, angular, 15%.
1390-1400	2	Chert, blue to tan, as above, 70%; chert, white, smooth, as above, 20%; quartz, drusy, very dark brown, 10%.
1400-1405	1	Chert, white to tan, semitranslucent, quartzose, 50% chert, white, dense, smooth to rough, 30%; aggregates fine pyrite crystals, 10%; sand, bright, angular, and rounded, frosted, 10%.
1405-1415	1	Chert, bluish-white, semitranslucent, 70%; quartz, drusy, brown, 20%; sand, as above, 10%.
1415-1430	-1	Trace sand and chert.
Top Bonneterre dolomite, 1430? Samples 1430-88 may represent an upper shaly phase of the Bonneterre dolomite.
1430-1478	1	Shale, greenish-brown, waxy, smooth, 100%; trace sand and quartzose material; considerable amount of crystalline and spongy pyrite.
1478-1488	6	Shale, very waxy, smooth, laminated, dolocastic, green, 100%.
Top Bonneterre dolomite, 1510.
1488-1527	2	Pyrite, massive, spongy, 50%; shale, green, as above, 50%.
1527-1537	4	Quartz, drusy, white, 70%; sand, rounded, averaging 0.8 mm diameter, blue color suggesting derivation from blue translucent chert, 30%; much massive pyrite.
1537-1542	4	Sand grains, blue, 70%; shale, waxy, green, 20%; chert, quartzose, 10%; much massive and spongy pyrite.
1542-1547	4	Sand grains, blue, 60%; pyrite, massive, spongy, 30%; shale, waxy, green, 10%.
1547-1552	4	Sand, blue, 65%; pyrite, spongy, 30%; shale, waxy. green, 5%.
1552-1565	28	Sand grains, bright, angular, blue, 1.5 to 0.1 mm diameter, 100%; trace amethyst quartz.
1565-1581	48	Sand, as above, 100%; trace green shale.
1581-1600	52	Sand, as above, 100%; trace green shale.
T. D. 1601

R. F. Duffens et al. No. 1 Stanley, NW NE NW sec. 3, T. 14 S, R. 21 E., Douglas County, Kansas. No. 30, cross sections D-D' and E-E' (Figs. 12 and 13)

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 1712.
1712-1716	80	Sand, coarse, poorly sorted, 1.0 to 0.1 mm diameter, mostly rounded and frosted, 60%; chert, bluish, semitranslucent, with included sand grains, 25%; chert, light tan, translucent, quartzose, 15%.
1716-1724	70	Sand, as above, 30%; chert, bluish, semitranslucent, vitreous, 30%; sand, extremely fine, 0.1 mm to fine powder, 20%; chert, brown, semitranslucent, quartzose, 20%.
1724-1730	55	Sand, rounded, frosted, averaging 0.6 mm diameter, 75%; chert, white, dense to semitranslucent, 25%.
1730-1733	70	Sand, as above, 75%; chert, white, dense, rough, 25%.
1733-1737	55	Sand, as above, 90%; chert, white, dense to translucent, 10%; a considerable amount of crystalline pyrite.
1737-1744	40	Sand, as above, 90%; chert, white to bluish, translucent, 10%.
1744-1750	40	Sand, as above, 70%; chert, white, dense, rough to semitranslucent, vitreous, 30%.
1750-1753	70	Sand, as above, 70%; chert, white to bluish, semitranslucent, 30%.
1753-1757	80	Sand, as above, 75%; chert, white, dense, vitreous, 25%.
1757-1761	80	Sand, as above, 65%; chert, white, as above, 25%; chert, brown, semitranslucent, 10%.
1761-1763	70	Sand, as above, 75%; chert, white, dense to bluish, semitranslucent, 25%.
1763-1766	50	Sand, as above, 75%; chert, white to tan, semitranslucent, 25%.
1766-1773	70	Sand, as above, 40%; chert, white, soft, very finely dolocastic, 30%; chert, white, semitranslucent, 30%.
1773-1777	75	Sand, as above, 70%; chert, blue to tan, translucent, 20%; chert, cream, dense, rough, 10%.
1777-1780	60	Chert, white to tan, semitranslucent, 50%; sand, as above, 50%.
1780-1782	75	Sand, as above, less pyritic, 80%; chert, bluish-white, semitranslucent, 20%.
1782-1784	55	Sand, as above, 85%; chert, as above, 15%.
1784-1788	60	Sand, as above, 70%; chert, white, dense, soft, tripolitic, 20%; chert, bluish-white, translucent, 10%.
1788-1792	50	Sand, as above, 90%; chert, translucent, as above, 5%; chert, tripolitic, as above, 5%.
1792-1797	65	Sand, as above, 90%; chert, white, semitranslucent, 10%.
1797-1802	65	Sand, as above, 85%; chert, white, dense, smooth to rough, 10%; chert, as above, 5%.
1802-1805	65	Sand, as above, 90%; chert, white, dense to bluish, translucent, 10%.
1805-1810	35	Sand, as above, 90%; chert, as above, 10%.
1810-1814	30	Sand, as above, 95%; chert, white, dense, smooth to bluish, translucent, 5%.
Top Roubidoux dolomite, 1818.
1814-1823	25	Sand, coarse, rounded, frosted, to fine, bright, angular, 90%; chert, white, dense to bluish, translucent, 10%.
1823-1826	65	Sand, as above, 85%; chert, white, dense, smooth to rough, 10%; chert, tan, semitranslucent, 5%.
1826-1830	40	Sand, with a greater proportion of subrounded grains 0.1 mm diameter, 90%; chert, as above, 10%.
1830-1834	32	Sand, as above, 80%; chert, white, dense, granular, 20%.
1834-1837	25	Sand, mostly fine, bright, angular grains, and few rounded, frosted and secondarily enlarged grains 0.5 mm diameter, 75%; chert, white, dense, dull, with included sand grains, 25%.
1837-1838	25	Sand, bright, angular, 0.3 mm diameter, 75%; chert, white, dense, 25%.
1838-1849	50	Sand, as above, 75%; chert, as above, 25%.
1849-1852	45	Chert, white, dense, dull, and trace free white oölites, 90%; sand, fine, bright, angular, as above, 10%.
1852-1856	5	Chert, white dense to semitranslucent, 50%; sand, as above, 50%.
1856-1861	30	Sand, as above, 90%; chert, as above, 10%.
1861-1866	5	Sand, as above, 90%; chert, as above, 10%.
1866-1870	12	Sand, bright, extremely angular, 0.3 mm diameter, 55%; chert, white, dense to semitranslucent, 40%; quartz, drusy, brown, 5%.
1870-1875	18	Sand, as above, 70%; quartz, drusy, brown, 20%; chert, white to bluish, semitranslucent, 10%.
1875-1880	15	Sand, as above, 60%; chert, bluish-white, translucent, 25%; quartz, drusy, brown, 10%; chert, white, dense, rough, 5%.
1880-1885	25	Sand, as above, 90%; chert, bluish, translucent, 10%.
1885-1900	32	Sand, as above, pyritic, 65%; chert, white, dense to semitranslucent, 25%; quartz, drusy, brown, 10%.
1900-1902	40	Chert, white, semitranslucent, 100%.
1902-1905	40	Chert, as above, 90%; sand, fine, bright, angular, 10%.
1905-1923	32	Sand, fine, bright, angular, as above, with trace rounded, frosted grains, 75%; chert, white, dense to translucent, 25%.
1923-1928	60	Sand, bright, angular and rounded, frosted, averaging 0.5mm diameter, 70%; chert, bluish, translucent, 30%.
1928-1933	40	Sand, as above, 75%; chert, very finely dolocastic, quartzose, 15%; chert, as above, 10%.
1933-1936	30	Sand, as above, but with greater proportion fine powdery grains less than 0.1 mm diameter, 85%; chert, bluish, translucent, 15%.
1936-1939	30	Sand, as above, 80%; quartz, drusy, gray, 10%; chert, bluish-white, dense to semitranslucent, 10%.
1939-1941	40	Quartz, drusy, gray, 50%; sand, as above, 50%.
1941-1943	35	Sand, as above, 60%; chert, bluish-white, semitranslucent, 40%.
1943-1947	40	Sand, as above, 50%; quartz, drusy, gray, 30%; chert, as above, 20%; trace ozokerite?
1947-1954	50	Sand, as above, 70%; chert, as above, 20%; quartz, drusy, gray, 10%.
1954-1956	50	Sample too small to make residues.
1956-1960	50	Sand, as above, 80%; chert, bluish, translucent, 20%.
1960-1970		Samples missing.
1970-1973	15	Sand, as above, 50%; chert, bluish, translucent, semiquartzose, 40%; chert, white, soft, coarsely dolocastic, 10%.
1973-1976	8	Sand, as above, 70%; chert, bluish, translucent, semiquartzose, 20%; chert, cream, soft, crumbly, tripolitic, 10%.
1976-1983	10	Sand, coarse, 1.0 mm diameter, and fine, bright angular, averaging 0.3 mm diameter, 70%; chert, bluish, translucent, 20%; chert, white, dense, porcelaneous, 10%.
1980-1984		Samples too small to make residues.
Top Gasconade-Van Buren sequence, 1985.
1984-1992	25	Sand, as above, 80%; chert, bluish-white, semitranslucent to translucent, 20%.
1992-2009		Samples too small to make residues.
2009-2011	10	Sand, coarse and fine, with grains less than 0.1 mm diameter, 75%; chert, bluish-white, translucent, 25%.
2011-2019	40	Sand, as above, 90%; chert, bluish, translucent, 10%.
2019-2025	10	Sand, as above, 90%; chert, as above, 10%.
2025-2029	20	Sand, medium coarse, rounded, frosted, 90%.; chert, white, dense to bluish, translucent, 10%.
2025-2032	30	Chert, white, dense, vitreous, 50%.; chert, white, semitranslucent, quartzose, 30%; sand grains, large, rounded, frosted, 20%.
2032-2036	20	Chert, bluish-white, semitranslucent, 50%; chert, white, dense, rough, 40%; chert, soft, white, crumbly, tripolitic, 10%.
2036-2045	25	Chert, bluish-white, semitranslucent, 100%.
2045-2048	40	Sand, coarse to fine, rounded, frosted, 60%; chert, white, dense to semitranslucent, 40%.
2048-2051	50	Sand, as above, 80%; chert, bluish, semitranslucent to dense, 20%.
2051-2056	30	Sand, pyritic, as above, 60%; chert, white, dense to bluish, translucent, 40%.
2056-2061	20	Chert, as above, 60%; sand, as above, 40%.
2061-2065	20	Chert, as above, 80%; sand, as above, 20~.
2065-2072	15	Chert, white, dense, vitreous to bluish, semitranslucent, 80%; sand, as above, 20%.
2072-2075		Samples too small to make residues.
2075-2082	25	Sand, as above, 70%; chert, white, dense, vitreous, 30%.
2082-2087	30	Sand, as above, 55%; chert, as above, 45%.
2087-2090	15	Sand, as above, 80%; chert, white, dense, smooth to semiquartzose, 20%.
2090-2094		Samples too small to make residues.
2094-2099	20	Chert, white, dense, vitreous, 85%; sand, pyritic, as above, 15%.
2099-2106	10	Chert, as above, 85%; sand, as above, 15%.
2106-2111	5	Sand, coarse, rounded, frosted, averaging 0.5mm diameter, 40%; sand, bright, angular, averaging 0.1 mm diameter, 40%; chert, white, dense to semitranslucent, 20%.
2111-2125	10	Sand, well sorted, bright, angular, averaging 0.2 mm diameter, 70%; chert, white, dense, dull, 30%.
2125-2134	10	Sand, fine, bright, angular, well sorted, 40%; chert, white, dense, dull, 30%; chert, bluish, semitranslucent, 30%.
2134-2141		Samples too small to make residues.
2141-2155	50	Chert, white semitranslucent, quartzose, 65%; sand, as above, and quartz, crystalline, angular fragments, 20%; chert, cream, soft, crumbly, rough, 15%.
2155-2161		Samples too small to make residues.
2161-2166	10	Chert, white, translucent, quartzose, 65%; sand, bright, angular, 0.3 to 0.1 mm diameter, 25%; chert, cream, rough, crumbly,
2166-2170	10	Chert, bluish-white, translucent, quartzose, sand, as above, 35%; chert, white, dense, dull, 10%; chert, white, soft, tripolitic, 5%.
2170-2180		Samples too small to make residues.
2180-2184	5	Chert, bluish-white, translucent, quartzose, 60%; sand, as above, 40%.
Top Gunter sandstone member of the Van Buren, 2185.
2184-2191	20	Sand, poorly sorted, subrounded, ranging from 0.8 to 0.1 mm diameter, 80%; chert, as above, 20%.
Top Eminence dolomite, 2191.
2191-2194	5	Chert, bluish-white, semitranslucent, quartzose, 65%; sand, medium fine, bright, angular, 30%; chert, cream, soft, tripolitic, 5%.
2194-2200	5	Chert, bluish-white, translucent, quartzose, 50%; chert, white, dense, vitreous, 25%; sand, as above, 25%.
2200-2205		No sample.
2205-2213	5	Chert, bluish-white, semitranslucent, 75%; sand, pyritic, as above, 25%.
2213-2217	5	Chert, bluish-white, semitranslucent, 60%; sand, medium coarse, rounded, frosted, to fine, bright, angular, 30%; chert, white, dense, vitreous, 10%.
2217-2228		Samples too small to make residues.
2228-2231	5	Sand, as above, 80%; chert, white, dense, vitreous, 10%; chert, blue, semitranslucent, 10%.
2231-2272		Samples too small to make residues.
2272-2275	5	Sand, as above, 60%; chert, bluish, translucent, 20%; chert, white, translucent, quartzose, 10%.; chert, white, dense, vitreous, 10%.
2275-2283		Samples too small to make residues.
2283-2287	16	Sand, as above, 80%; chert, white, dense, vitreous, 10% chert, bluish-white, semitranslucent, 10%.
2287-2296		Samples too small to make residues.
2296-2298		Sand, as above, 75%; chert, white, dense to bluish, translucent, 25%.
2298-2300	5	Quartz, drusy, white, 40%; chert, white, dense, vitreous, 30%; sand, as above, 20%; chert, bluish, translucent, 10%.
2300-2301	10	Quartz, drusy, as above, 50%; chert, bluish, translucent, 30%; chert, white, dense, vitreous, 20%.
2301-2308		Samples too small to make residues.
2308-2310	7	Sand, medium coarse, rounded, frosted, to fine, bright, angular, 70%; chert, white, dense, vitreous, 20%; chert, bluish, translucent, 10%.
2310-2314	16	Sand, as above, 70%; chert, white, dense to semitranslucent, 30%.
2314-2317	5	Sand, fine, bright, angular, averaging 0.2 mm diameter, 70%; chert, white to bluish, semitranslucent, 30%.
2317-2319		Samples too small to make residues.
2319-2323	30	Sand, medium coarse, poorly sorted, rounded, frosted, to fine, bright, angular, 80%; chert, white to tan, dense, vitreous, 20%.
2323-2335		Samples too small to make residues.
2335-2337	20	Sand, as above, 70%; chert, white, dense, rough, 10%; chert, bluish, translucent, 10%; chert, white, semitranslucent, 10%.
2337-2342	15	Sand, as above, with trace rounded feldspar grains, 90%; chert, white, semitranslucent, 10%.
2342-2346	8	Chert, white, semitranslucent, quartzose, 90%; sand, very fine, bright, angular, 10%.
2346-2348	15	Chert, buff, soft, crumbly, porous, 70%; chert, blue to tan, dense, vitreous, 20%; sand, medium coarse, rounded, frosted, 10%.
2348-2352	20	Chert, finely dolocastic, 80%; chert, white, dense, porcelaneous, 10%; sand grains, rounded, coarse, 5%; chert, bluish-white, translucent, 5%.
2352-2354	25	Chert, dolocastic, as above, 80%; sand, fine, bright, angular, 15%; chert, white, dense, porcelaneous, 5%.
2354-2356		Samples too small to make residues.
2356-2360	10	Chert, bluish-white, semitranslucent, 40%; chert, finely dolocastic, as above, 20%; sand, fine, bright, angular, 20%; chert, white, dense, porcelaneous, 20%.
Top Bonneterre dolomite, 2366.
2360-2367	10	Chert, white, translucent, quartzose, 60% sand, as above, with quartz, crystalline, angular fragments, 30%; chert, white, medium finely dolocastic, 10%.
2367-2372	5	Quartz, drusy, light tan, 80%; sand and quartz, as above, 20%.
2372-2375	5	Quartz, drusy, brown, 90%; sand grains, rounded frosted, and fragments, 10%; quartz, crystalline, angular.
2375-2383	1	Quartz, drusy, tan, with much pyrite, 75%; sand and quartz, as above, 25%.
2383-2389	1	Quartz, crystalline, angular fragments, 50%; quartz, drusy, brown, 35%; chert, white, dense, dull, 10%; chert, dolocastic, 5%.
2389-2395	1	Chert, brown, dense to semitranslucent, 40%; chert, blue, translucent, 25%; pyrite, 25%; quartz, crystalline, angular fragments, 10%.
2395-2398	1	Chert, white, dense, semiquartzose, 45%; shale, cream, soft, waxy, (cavings?), 20%; pyrite, 20%; sand, bright, angular, and angular fragments quartz, 15%.
2398-2400	1	Shale, slightly dolocastic, brown, 20%; sand, rounded, frosted, and bright, angular, 20%; chert, brown, dense to semitranslucent, 20%; pyrite, 15%; chert, bluish-white, translucent, 15%; chert, white, dense, porcelaneous, 10%.
2400-2402	1	Chert, brown, semitranslucent, quartzose, 50%; pyrite, 25%; chert, white, dense, porcelaneous, 15%; sand, bright, angular, 10%.
2402-2403	1	Sand, rounded, frosted, 2.O mm diameter, to bright, angular grains less than 0.1 mm diameter, 50%; chert, white, dense, porcelaneous, 25%; chert, tan, quartzose, 25%.
2403-2404	1	Shale, light brown, dolocastic, with glauconite inclusions, 50%; sand, coarse, rounded, frosted, and angular fragments crystalline quartz, 25%; quartz, drusy, brown, 15%; chert, white, dense, porcelaneous, 10%; much crystalline and massive pyrite.
2404-2405	4	Sand, well sorted, secondarily enlarged, averaging 0.2 mm diameter, 80%; chert, tan to white, dense, 20%; much pyrite.
2405-2408	2	Sand, pyritic, as above, 100%.
2408-2409	1	Sand, fine, as above, 100%.
2409-2411	8	Quartz, drusy, tan, 70%; sand, coarse, rounded, frosted, 30%.
2411-2415	2	Chert, tan, quartzose, 85%; sand, coarse, as above, 10%; chert, bluish, semitranslucent, 5%; many rounded glauconite grains and much crystalline pyrite.
2415-2418	5	Quartz, drusy, tan, 90%; chert, bluish, translucent, 5%; sand, as above, 5%; much massive and crystalline pyrite.
2418-2420	3	Sand, very fine, in clusters, with large glauconite grains, 80%; sand, as above, 10%; pyrite, massive and finely crystalline, 10%.
2420-2428	5	Sand, fine, glauconitic, as above, 100%.
2428-2433	10	Sand, glauconitic, fine, as above, 50%; shale, greenish- gray to brown, dolocastic, 50%.
2433-2437	20	Shale, as above, 80%; sand, fine, glauconitic, brown, shaly aggregates, 20%.
2437-2443	30	Shale, dolocastic, as above, 50%; sand, as above, 50%
2443-2450	15	Shale, brown to green with fine dolocasts and included glauconite grains, 100%.
2450-2456	10	Shale, dolocastic as above, 90%; glauconite, large grains, 10%.
Top basal sandstone (Lamotte), 2457.
2456-2460	35	Sand, bright, angular, and round, frosted, averaging 0.6 mm diameter, 100%; much glauconite.
Top Pre-Cambrian granite, 2463.
2460-2495	100	Pink granite.
T. D. 2503.

Glower No. 1 Forkner, NW SE NE sec. 17, T. 33 S., R. 23 E., Cherokee County, Kansas. No. 2, cross section A-A' (Fig. 11).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Jefferson City-Cotter sequence, 685.
685-689	45	Chert, bluish, translucent, contains oölites which appear as darker gray translucent areas, 85%; chert, medium fine, mealy-textured, dolocastic, 15%.
689-695	25	Chert, white, dense to semitranslucent, 90%; chert, dolocastic as above, 10%.
695-700	12	Sand, medium coarse, poorly sorted (0.8 to 0.1 mm diameter), mostly rounded and frosted and secondarily enlarged, 65%; chert, white, as above, 30%; chert, dolocastic, as above, 5%.
700-705	25	Chert, smooth, dense, white, vitreous, with scattered faint brown oölites, 93%; chert, dolocastic, as above, 5%; quartz, crystalline, angular fragments, 2%.
705-710	6	Chert, bluish translucent, containing a few brown translucent oölites, 75%; chert, dolocastic, as above, 15%; chert, white, dense, as above, 10%.
710-715	10	Chert, smooth, white, dense, vitreous, 76%; chert, dolocastic, as above, 20%; quartz, crystalline, angular fragments, 2%; sand grains in chert, 2%.
720-726	30	Chert, semitranslucent, blue to tan, faintly oölitic, 97%; chert, dolocastic, as above, 3%.
726-732	30	Chert, as above, with numerous brown banded oölites, 60%; chert, dolocastic, somewhat coarser than previous sample, 40%; a considerable amount of spongy pyrite.
732-737	40	Chert, as above, 85%; chert, dolocastic, 15%.
737-743	60	Chert, as above, 80%; chert, dolocastic, very fine, 20%.
743-745	25	Chert, bluish, translucent, opalescent, 70%; chert, dolocastic, as above, 20%; sand, fine, bright, angular, 10%.
745-755		Sample too small to make residues.
755-762	20	Chert, blue to brown, translucent, 75%; chert, soft, white, dolocastic, 15%; quartzose material, dark gray, 561o; sand., fine, angular, 5%.
762-767	35	Chert, very fine, mealy-textured, dolocastic, 80%; sand grains in chert, 10%; chert, white to bluish, translucent, 10%.
767-775	25	Chert, blue to brown, semitranslucent, 77%; sand, medium coarse, averaging 0.5mm diameter, rounded, frosted and bright and angular, 20%; spongy pyrite, 2%; quartzose material, black to green, 1%.
773-779	25	Chert, bluish, translucent, 79%; chert, very finely, dolocastic, porous, 20%; quartzose material, 1%.
779-785	8	Chert, smooth, white, dense, vitreous, 92%; chert, white, soft, rough, porous, 5%; chert, dolocastic, as above, 2%; quartzose material, dark green to black, 1%.
785-793	3	Chert, white to buff, smooth, dense, vitreous, 50%; chert, bluish, translucent, 25%; quartzose material, yellow-green to gray, 10%; quartz, milky, angular fragments, 5%; chert, dolocastic, as above, 5%; spongy pyrite, 5%.
793-800	25	Sand, very well sorted, medium fine, free and in friable aggregates, averaging 0.2 mm diameter, and bright and angular, 100%.
800-805	5	Quartz, milky, angular fragments, 50%; chert, tan, semitranslucent, vitreous to quartzose, 50%.
805-810	2	Chert, white, smooth, dense, vitreous, 50%; chert, blue to tan, translucent, 25%; sand, fine, bright, angular, poorly sorted, 25%. Larger grains 0.5 mm diameter are rounded, frosted, and secondarily enlarged.
810-817	3	Chert, white, smooth, dense, vitreous, 75%; chert, blue to tan, translucent, opalescent, 20%; sand, as above, 5%.
817-823	30	Chert, bluish, semitranslucent, 70%; chert, white, dense, 20%; chert, very finely dolocastic, mealy-textured, 10%.
823-828	50	Chert, white, semitranslucent, opalescent, 95%; sand, as above, 5%; much finely crystalline pyrite.
828-832	35	Chert, white to buff, faintly oölitic, semitranslucent, with veinings and bandings of crystalline quartz, 100%.
832-837	25	Chert, blue to tan, translucent, opalescent, 85%; chert, finely dolocastic, mealy-textured, 15%.
837-845	10	Chert, translucent, as above, 75%; sand, medium coarse, angular to rounded, frosted, 0.5 to 1.0 mm diameter, 25%.
845-849		Sample too small to make residues.
849-852	85	Chert, finely dolocastic, 100%.
852-858	25	Chert, dolocastic, as above, 75%; chert, blue to tan, translucent, opalescent, 25%.
858-861	5	Chert, dolocastic, as above, 50%; chert, translucent, as above, 50%; much spongy pyrite.
864-870	20	Chert, blue to brown, translucent, containing numerous brown quartzose to translucent oölites, 100%.
870-876	35	Chert, translucent, blue to brown, opalescent, 75%; chert, white, smooth, dense, vitreous, 25%.
876-881	40	Chert, white, dense, smooth, vitreous, with numerous large brown translucent oölites, 100%.
881-888	20	Chert, smooth, white, dense, vitreous, with scattered large brown oölites, 80%; sand, medium fine, bright and angular due to secondary quartz enlargement, 15%; chert, brown, translucent, 5%.
888-894	25	Chert, brown, dense to translucent, containing scattered banded and translucent oölites, 100%.
894-900	12	Chert, as above, 98%; chert, soft, porous, slightly dolocastic, white, 2%.
900-905	15	Chert, white, dense, with numerous included sand grains, 80%; chert, white to bluish, translucent, 10%; sand, fine, angular, 10%.
905-910	35	Chert, tan to buff, very finely dolocastic, mealy-textured, 55%; chert, light brown, semitranslucent, waxy-lustered, 25%; sand, medium coarse, poorly sorted, bright, angular, 15%; quartz, crystalline, angular fragments, 5%.
910-916	35	Chert, brown, translucent, waxy-lustered, grading to light tan semitranslucent vitreous chert, 90%; sand, as above, 5%; chert, dolocastic, as above, 5%.
916-922	25	Chert, brown, as above, 90%; sand, as above, 10%.
922-928	25	Chert, tan, semitranslucent, vitreous, 70%; shale (?), cream, finely dolocastic, 25%; quartz, crystalline, angular fragments, 5%.
928-934	20	Chert, brown to bluish, semitranslucent, containing numerous translucent brown oölites, 80%; sand, medium coarse, secondarily enlarged, poorly sorted (0.7 to 0.1 mm diameter), 20%.
934-941	50	Chert, light tan, dense to semitranslucent, 85%; chert, finely dolocastic, 15%.
941-947	25	Chert, white to buff, dense, smooth, vitreous, 75%; chert, brown, dense, with numerous small brown oölites (0.1 mm diameter), 20%; shale, dark brown, dolocastic, 5%.
947-953	25	Chert, cream to brown, finely dolocastic, mealy-textured, 50%; chert, brown to tan, waxy-lustered, containing faint darker brown translucent oölites.
953-960	15	Chert, brown, as above, 85%; shale, cream, dolocastic, 15%.
960-965	25	Chert, brown, as above, 85%; chert, cream to light brown, quartzose, dolocastic, 15%.
965-970	20	Chert, tan, dense, containing numerous dark brown translucent oölites (many oölites are free), 100%.
970-976	50	Chert, light tan to buff, dense, vitreous, non-oölitic, 100%.
976-982	45	Chert, tan, dense, as above, 60%; chert, cream, finely dolocastic, porous, 40%.
982-987	10	Chert, tan, dense, with numerous brown translucent banded oölites, 75%; chert, white, rough, 15%; chert, soft, finely dolocastic, porous, 10%.
987-992	10	Chert, white, rough, 80%; chert, oölitic, as above, 20%.
992-998	30	Chert, tan to buff, dense, vitreous, 75%; sand, medium fine, bright, angular, 25%.
998-1004	30	Chert, dense, as above, 90%; shale, brown to white, dolocastic, 5%; sand, angular, 5%.
1004-1010	25	Chert, cream to brown, dense, vitreous, 95%; sand, angular, as above, 5%.
1010-1017	18	Chert, as above, 90%; shale, cream to brown, dolocastic, 10%.
1017-1024	6	Chert, buff, dense, with scattered fine, brown oölites, 100%.
1024-1030	15	Chert, white, dense, granular, mottled with dark gray, and covered with fine pyrite crystals, 63%; chert, tan, semitranslucent, 30%; chert, white, soft, rough, 5%; oölites, tan, dense, in crystalline matrix, 2%.
1030-1035	6	Chert, cream to brown, dense, 60%; chert, gray mottled, with fine pyrite crystals on surface, 38%; shale, brown, spongy, dolocastic, 2%.
1035-1041	30	Sand, bright, angular, poorly sorted, ranging from 0.5 to-0.1 mm diameter, 60%; chert, white to tan, dense, vitreous, 40%.
1041-1046	40	Chert, dense, as above, 70%; chert, white to brown, medium finely dolocastic, spongy-textured, 30%.
1046-1052	30	Chert, dolocastic, as above, 60%; chert, gray to brown, dense, grainy, with scattered dolocasts, 40%; much pyrite.
1052-1059	25	Chert, cream, dense, vitreous, with numerous brown translucent oölites, 65%; chert, dolocastic, as above, 30%; quartz, crystalline, angular fragments, 5%.
1059-1062	60	Chert, oölitic, as above, 60%; chert, dolocastic, as above, 40,%.
1062-1065	12	Chert, dolocastic, as above, 50%; chert, tan to brown, semitranslucent, vitreous, 50%; much pyrite.
Top Roubidoux dolomite, 1065.
1065-1070	30	Chert, white to tan, translucent, with brown translucent oölites, 55%; chert, smooth, white, dense, vitreous, 25%; sand, fine bright, angular, 15%; quartz, crystalline, angular fragments, 5%.
1070-1075	35	Chert, smooth, white, dense, vitreous, 49%; chert, oölitic, as above, 30%; sand, fine, bright, angular, averaging 0.3 mm diameter, 30%.
1075-1080	30	Sand, bright, angular, averaging 0.1 mm diameter, 60%; chert, white, semitranslucent, 20%; chert, tan, translucent, faintly oölitic, 20%.
1080-1085	30	Sand, coarser (0.3 to 1.0 mm diameter), mostly bright, angular but larger grains rounded and frosted, 70%; chert, white, dense to bluish, translucent, 20%; chert, oölitic, as above, 10%.
1085-1090	15	Sand, as above, 75%; chert, white, dense, with smooth vitreous rough surface, 15%; chert, oölitic, as above, 10%.
1090-1096	25	Sand, as above, 90,%; chert, white, dense, smooth, vitreous, with numerous large brown translucent oölites, 10%.
1096-1102	10	Sand, as above, 80%; chert, white, dense, smooth, vitreous, 20%.
1102-1107	10	Sand, as above, 90%; chert, bluish, translucent, with scattered brown translucent oölites, 10%.
1107-1119	30	Sand, as above, 75%; chert, white, dense to bluish, translucent, non-oölitic, 25%.
1119-1125	20	Sand, as above, 95%; chert, as above, 5%.
1125-1130	10	Sand, as above, 100%.
1130-1136	30	Chert, white to bluish, semitranslucent, 75%; sand, as above, 25%; scattered free white oölites.
1136-1141	15	Sand, as above, 80%; chert, white, dense to blue, translucent, 20%.
1141-1170		Samples too small to make residues.
1170-1175	15	Sand, as above, 50%; chert, as above, 50%.
1175-1179	70	Chert, white, smooth, dense, vitreous to quartzose, faintly oölitic, with crystalline quartz veining, 95%; sand, as above, 5%.
1179-1185	25	Chert, as above, 75%; sand, as above, 25%; trace ozokerite?
1185-1189	15	Sand, as above, 70%;chert, as above, 30%.
1189-1192	5	Sand, as above, 90%; chert, bluish, translucent, opalescent with scattered brown translucent oölites, 10%.
1192-1202	60	Sand, bright, angular, poorly sorted, 1.0 to 0.1 mm diameter, but averaging 0.2mm diameter, 100%.
1202-1208	75	Sand, as above, 100%.
1207-1214	15	Sand, as above, 90%; chert, white, dense, smooth, vitreous, 10%.
1208-1214	65	Sand, as above, 100%.
1214-1219	35	Sand, as above, 100%.
1219-1224	10	Sand, as above, 100%.
1224-1234	30	Sand, as above, 100%.
1234-1250	15	Sand, as above, 100%.
1250-1256	25	Sand, as above, 100%.
1256-1263	10	Sand, as above, 90%; chert, bluish white, semitranslucent, 10%.
Top of the Gasconade-Van Buren sequence, 1263.
1263-1269	15	Chert, white, dense, smooth, vitreous, 90%; sand, as above, 10%.
1269-1275	45	Chert, as above, 90%; sand, as above, 10%.
1275-1281		Samples missing.
1281-1287	15	Sand, bright, angular, 60%; chert, as above, 40%.
1287-1294		Samples missing.
1294-1299	30	Sand, fine, bright, angular, averaging 0.2 mm diameter, fairly well sorted, 80%; chert, bluish white, semitranslucent, with white banded oölites, 20%.
1299-1304	30	Sand, as above, 95%; chert, soft, white, porous, 5%.
1304-1310	40	Sand, as above, 90%; chert, white to bluish, semitranslucent, 10%.
1310-1317	20	Sand, as above, 90%; chert, soft, white, porous, 5%; chert, bluish white, semitranslucent, 5%.
1317-1322	25	Sand, 50%; chert, bluish, as above, 50%.
1322-1328	20	Sand, 75%; chert, as above, 25%.
1328-1331	60	Chert, white, dense, smooth, vitreous, 90%; sand, 10%.
1331-1337	15	Sand, 60%; chert, as above, 40%.
1337-1343	15	Sand, 75%; chert, bluish white, semitranslucent, 20%; chert, soft, white, porous, 5%.
1343-1355	12	Chert, white, dense, smooth, vitreous, 75%; sand, 25%.
1355-1360	40	Chert, as above, 95%; sand, 5%.
1360-1363	60	Sand, 50%; chert, white, dense to bluish, semitranslucent, vitreous, 50%.
1363-1368	3	Sand, 80%; chert, as above, 20%.
1368-1374	3	Chert, soft, white, porous, 50%; sand, 40%; chert, bluish white, semitranslucent, 10%.
1374-1380	45	Chert, white, dense, smooth, vitreous, 100%.
1380-1385	20	Chert, as above, 85%; chert, soft, white, porous, 15%.
1385-1390	30	Chert, white to buff, dense, vitreous, 80%; chert, porous, as above, 20%.
1390-1395	15	Chert, porous, as above, 75%; chert, white, dense, smooth, vitreous, 25%.
1395-1408	6	Chert, porous, as above, 70%; chert, dense, as above, 20%; sand, fine, bright, angular, 10%.
1408-1416	25	Chert, dense, as above, 95%; sand, 5%.
1416-1421	15	Chert, white, dense, smooth, vitreous, with numerous white oölites, faint because they are only slightly more translucent than matrix, 95%; sand, 5%.
1421-1426	10	Chert, oölitic, as above, 90%; quartzose material, yellow green, 10%.
1426-1443	25	Chert, white, smooth, dense, vitreous, 80%; sand, 10%; chert, soft, white, porous, 10%.
1443-1448	15	Quartz, crystalline, angular fragments, 50%; chert, white, semitranslucent to dense, 30%; chert, porous, as above, 20%. Free white oölites also are soft and porous.
1448-1455	10	Chert, tan to gray, dense, granular, 90%; quartz, crystalline, angular fragments, 10%; soft, porous, white, free oölites numerous.
1455-1460	60	Chert, white to tan, dense to semitranslucent, 95%; chert, soft, white, porous, 5%.
1460-1465	5	Chert, tan to bluish, semitranslucent, 80%; sand, fine, bright, angular, 10%; chert, porous, as above, 10%.
1465-1471	2	Chert, semitranslucent, as above, 85%; chert, porous, as above, 10%; sand, bright, angular, 5%.
1471-1477	1	Chert, translucent, as above, 75%; sand, fine, bright, angular, 15%; chert, porous, as above, 10%.
Top Gunter sandstone member of the Van Buren formation, 1478.
1477-1484	15	Sand, poorly sorted, ranging from 0.6 to-0.1 mm diameter, but averaging 0.3 mm diameter (larger grains are rounded, frosted, or secondarily enlarged, smaller grains bright and angular), 85%; chert, porous, as above, 15%.
1484-1490	5	Sand, as above, 90%; chert, porous, as above, including free white porous oölites which are brown at core, 10%.
1490-1496	5	Sand, as above, 85%; chert, bluish, translucent, 10%; chert, porous, as above, 5%.
Top Eminence dolomite, 1498.
1496-1508	1	Sand, as above, 90%; chert, bluish, semitranslucent, 5%; chert, porous, as above, 5%.
1508-1515		Samples missing.
1515-1519	2	Sand, as above, 59%; chert, bluish-white, translucent, 40%; chert, medium fine, lacy, dolocastic, 1%.
1519-1524	1	Sand, as above, 50%; chert, white, dense, smooth, vitreous, 25%; chert, bluish, translucent, 15%; quartzose material, 10%.
1524-1542	2	Chert, bluish-white, semitranslucent to semiquartzose, 75%; sand, as above, 25%.
1542-1553	-1	Chert, white, dense, smooth, vitreous, 90%; sand, 10%
1553-1558	5	Chert, bluish-white, semitranslucent, 50%; sand, 50%.
1558-1564	1	Sand and angular fragments, quartz, 70%; chert, bluish, as above, 20%; chert, white, smooth, dense, vitreous, 10%.
1564-1573	1	Sand and angular fragments, quartz, 70%; chert, white, dense to semitranslucent, 30%.
1573-1579	2	Sand and angular fragments of crystalline quartz as above, 60%; chert, white, milky, quartzose to drusy, 40%.
1579-1602		Samples too small to make residues.
1602-1606	5	Sand and angular fragments crystalline, quartz, 40%; chert, medium fine, lacy, dolocastic, 25%; chert, bluish, translucent, 25%; pink feldspar, (?) 10%.
1606-1611	3	Sand and angular fragments of crystalline quartz, 45%; chert, bluish, translucent, 25%; chert, dolocastic, as above, 15%; feldspar (?), 15%.
1611-1617		Samples missing.
Top Bonneterre dolomite, 1620.
1617-1622	6	Sand and angular fragments of crystalline quartz, 40%; shale, dark brown, spongy, dolocastic, 30%; chert, dark brown, translucent, vitreous to quartzose, 20%; chert, white, dense, vitreous, 10%; much crystalline pyrite.
1622-1626	5	Shale, spongy, brown, as above, 50%; chert, brown, as above, 20%; chert, white, dense to semitranslucent, 20%; feldspar (?), 5%; quartz fragments, angular, 5%; much spongy pyrite.
1626-1635	1	Chert, white, dense to semitranslucent, quartzose, 60%; shale, brown, spongy, as above, 20%; quartz fragments, angular, and sand, 20%; much spongy pyrite.
1635-1640	8	Shale, brown, spongy, 90%; chert, white, quartzose, 10%; much spongy pyrite.
1640-1645	5	Shale, yellow-brown, porous, spongy, 95%; chert, white, quartzose, 5%.
1645-1668	8	Shale, brown, coarsely spongy, finely sandy, 100%; much bright, massive pyrite.
1668-1685	12	Shale, sandy brown, as above, 100%.
1685-1708	15	Shale, light buff, very sandy, spongy, and aggregates of very fine sand, all less than 0.1 mm diameter, 100%.
1708-1721	30	Shale, spongy, and sand aggregates, very fine, as above, 100%.
1721-1730	60	Shale, spongy, and sand aggregates, very fine, as above, 100%.
1730-1740	40	Shale, spongy, and sand aggregates, very fine, as above, 100%.
1740-1760	50	Sand aggregates, very fine, bright, angular, shaly, associated with fine grains of glauconite, 100%.
1760-1775	55	Sand, light colored aggregates, angular, bright, some- what coarser than previous samples, averaging 0.2 mm diameter and associated with considerable yellow-green to brown glauconite.
1775-1800	35	Sand, as above, in loose aggregates and free, associated with much glauconite, 100%.
1800-1806	15	Sand, as above, 100%.
Top Lamotte sandstone, 180,7.
1806-1810	50	Sand, coarse, poorly sorted, bright, angular, 1.5 mm diameter, 85%; sand, fine, bright, glauconitic, as above, 15%.
1810-1814	75	Sand, coarse, as above, 100%.
1814-1818	100	Sand, coarse, as above, 100%.
Top Pre-Cambrian ? (prob. quartzite), 1831.
1818-1837	100	Sand, coarse, as above, grading into large angular fragments crystalline quartz 2.0 to 3.0 mm diameter, 100%.
1837-1857	100	Sand, coarse, angular, as above, with arkosic material, 100%.
Top Pre-Cambrian granite.
1857-1862	100	Pink granite.
T. D.

Prairie Oil and Gas Company No. 9 Brown, SE SW NW sec. 26, T. 34 S., R. 11 E., Chautauqua County, Kansas. No. 4, cross section A-A' (Fig. 11).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 2208.
2208-2218	25	Chert, cream, coarsely dolocastic, 95%; white, banded, 5%.
2218-2222	12	Chert, dolocastic, as above, 90%; quartz, crystalline, angular fragments, 10%.
2222-2228	20	Chert, cream to brown, finely dolocastic, spongy, 95%; chert, white, dense, vitreous, 51%.
2228-2234	10	Chert, lacy dolocastic, semiquartzose, 95%; chert, dark brown, quartzose, 5%.
2234-2240	2	Sand, bright, angular, well sorted, averaging 0.3 mm diameter, 65%; chert, dolocastic, as above, 25%; chert, white, dense, vitreous, 10%.
2240-2249	18	Chert, light tan, very quartzose, with scattered medium coarse dolocasts, 100%.
2249-2256	4	Chert, tan, quartzose, as above, 75%; sand, poorly sorted, fine, bright, angular, 25%.
2256-2260	24	Chert, tan, translucent, with faint translucent brown to bluish oölites, 75%; chert, tan, finely dolocastic, spongy, 25%.
2260-2265	4	Chert, tan, oölitic, as above, 85%; chert, white, dense, smooth, 10%; sand and angular fragments crystalline quartz, 5%.
2265-2270	4	Shale, spongy, dolocastic, brown, 50%; chert, brown, translucent, opalescent, 20%; shale, brown, 15%; chert, white and tan, dense, mottled, 15%.
2270-2277	20	Chert, cream, dense, with brown translucent oölites, 80%; chert, buff, coarsely dolocastic, spongy, 10%; chert, brown, translucent, as above, 10%.
2277-2284	4	Chert, white, dense, vitreous, 75%; chert, tan to bluish, translucent, 25%.
2284-2290	8	Chert, blue to tan, translucent, opalescent, containing numerous translucent oölites, 85%; sand and angular fragments crystalline quartz, 15%.
2290-2296		Samples missing.
2296-2302	24	Chert, brown, semitranslucent, oölitic, 55%; sand, fine (0.2 mm diameter), bright, angular, 20%; chert, soft, porous to quartzose, dolocastic, 15%; quartz, milky, angular fragments, 10%; much spongy pyrite.
2302-2308		Samples missing.
2308-2315	8	Chert, white to buff, dense, with blue to brown translucent oölites, 90%; sand, as above, 10%.
2315-2320	10	Chert, white to bluish, translucent, 65%; chert, brown, coarsely dolocastic, 25%; shale (cavings?), dark brown, 10%.
2320-2326	22	Chert, bluish, as above, 75%; chert, dolocastic, as above, 25%.
2326-2334	14	Chert, light tan to brown, translucent, with faint translucent brown oölites, 60%; chert, white, dense to semitranslucent, 25%); sand, medium coarse, rounded, frosted, 10%; shale, green to brown pyritiferous, 5%; much dark spongy pyrite.
2334-2341	10	Chert, white, soft, rough, 50%; chert, white, dense, smooth, vitreous, 25%; chert, oölitic, as above, and free tan oölites coated with drusy quartz.
2341-2349	4	Chert, bluish-white, translucent, with small white oölites, 35%; chert, white, dense, vitreous, 20%; quartz, milky, angular fragments, 20%; sand, coarse, rounded, frosted, 15%; chert, brown, translucent, and free brown oölites, 10%.
2349-2355	4	Sand, coarse (0.8 to O.1 mm diameter), poorly sorted, rounded, frosted, 75%; chert, white, dense, smooth, vitreous, with some included sand grains, 25%.
2355-2360	10	Chert, white, with numerous included sand grains, 65%; sand, fine, bright, angular, secondarily enlarged, 30%; chert, brown, porous, dolocastic, 5%.
2360-2368	28	Chert, blue to white, semitranslucent, 75%; sand, well sorted, bright, angular, free and in aggregates, 25%.
2368-2376	8	Chert, white, semitranslucent, as above, 50%; sand, as above, 40%; chert, white, rough, 10%.
2376-2383	18	Chert, white, dense to semitranslucent, 50%; drusy quartz, brown, 25%; chert, cream to brown, quartzose, finely dolocastic, 25%.
2383-2393	6	Sand, 0.5 to 0.1 mm diameter, mostly bright and angular but larger grains rounded, frosted, 75%; chert, white, dense, vitreous, 15%; chert, white, rough, 5% (with scattered large dolocasts); chert, blue, translucent, 5%.
2393-2399	5	Sand, as above, 55%; sandstone, shaly, laminated, fine, 25%; chert, white, dense, smooth, vitreous, 20%.
2399-2407	22	Sand and angular fragments crystalline quartz, 50%; chert, brown, quartzose, very finely dolocastic, 25%; chert, white to tan, translucent, 25%.
2407-2413	18	Sand and angular fragments crystalline quartz, 40% chert, white, dense, slightly rough, 35%; chert, dolocastic, as above, 15%; drusy, quartz, tan, 10%.
2413-2419	20	Chert, white to tan, dense, vitreous, 80%; chert, dolocastic, as above, 15%; shale, greenish-gray, 5%.
2419-2427	16	Chert, white to buff, dense, rough, associated with much spongy and crystalline pyrite.
2427-2434	26	Chert, cream, dense, vitreous, 80%; chert, cream, finely dolocastic, quartzose, 15%; quartz, crystalline, angular fragments, 5%; much pyrite.
2434-2447	64	Sand, fine, bright, angular, well sorted, averaging 0.2 mm diameter, and with a frosty look due to secondary quartz enlargement, 100%.
2447-2450	12	Sand, as above, 70%; chert, cream, dense, vitreous, 20%; quartz, crystalline, angular fragments, 10%.
2450-2456	12	Sand, as above, 50%; chert, white to tan, dense, vitreous, 25%; quartz, crystalline and milky, angular fragments, 25%.
2456-2459	12	Chert, cream, dense, dull, with numerous dark brown, translucent to quartzose oölites and free brown oölites, 50clt; sand, as above, 35%; quartz, crystalline, large fragments, 15%; much spongy pyrite.
2459-2465	6	Chert, oölitic, as above, 40%; sand, as above, 40%; quartz, crystalline, as above, 20%; much spongy pyrite.
2465-2472	14	Chert, cream, dense, rough, 50%; quartz, crystalline and milky, angular fragments, 50%; much spongy pyrite.
2472-2479	38	Chert, tan to brown, dense, rough, 90%; quartz, crystalline, as above, 10%.
2479-2484	6	Chert, dense, as above, 85%; sand, bright, angular, and angular fragments crystalline quartz, 15%.
2484-2493	16	Chert, white, semitranslucent, showing some banding, 40%; sand and quartz, as above, 30%; chert, dense, as above, 20%; chert, brown, semitranslucent, vitreous, 10%.
2493-2499	36	Chert, cream, dense, rough 50%; chert, bluish white, translucent, 40%; sand and quartz, as above, 10%.
2499-2507	22	Chert, cream, dense, rough, 45%; chert, cream, spongy, finely dolocastic, 25%; chert, bluish-white to tan, translucent, 20%; chert, brown, translucent, with scattered medium fine dolocasts, 10%.
2507-2514	16	Chert, tan, semitranslucent, with darker brown, translucent oölites, 40%; sand, fine, well-sorted, bright, angular, averaging 0.2 mm diameter, 35%; chert, tan, finely dolocastic, appears to be sandy and laminated with a brown shale, 25%.
2514-2521	26	Chert, brown, dense, with numerous brown oölites and free brown oölites, 90%; chert, white, dense, rough, 10%.
2521-2523	30	Chert, oölitic, as above, 90%; chert, cream, dense, rough, 10%.
2523-2529	26	Chert, light tan, semitranslucent, vitreous to quartzose, some fragments containing numerous brown oölites, 80%; chert, bluish-white, translucent, 20%.
2529-2535	26	Chert, white to tan, semitranslucent, 60%; chert, brown, translucent, semiquartzose, 20%; chert, rough, soft, dolocastic, 10(llc; chert, white, dense, with a rough, hackly surface, 10%.
2535-2538		Samples missing.
2538-2541	28	Chert, buff to gray, quartzose, finely dolocastic, 50%; chert, white to tan, semitranslucent, 50%.
2541-2548	26	Chert, cream, dense to semitranslucent, vitreous to quartzose, 100%.
2548-2554	38	Quartz, crystalline, angular fragments, 50%; chert, white, dense to semitranslucent, 50%.
2554-2561	20	Chert, as above, 75%; quartz, crystalline, 25%.
2561-2572	4	Chert, as above, 75%; sand and quartz, crystalline, angular fragments, 25%.
2572-2578	8	Chert, as above, 55%; chert, finely dolocastic, quartzose, 20%; sand and quartz as above, 15%; shale, gray to greenish (caved from higher beds?), 10%.
2577-2587	2	Sand, fine, bright, angular, 50%; chert, bluish-white, translucent, 50%.
2587-2593	4	Chert, brown, semitranslucent, with faint, darker brown, translucent oölites, 75%; chert, white, dense to translucent, 25%;
2593-2600	10	Chert, bluish-white, translucent, 40%; chert, white, very finely dolocastic, 35%; chert, tan to brown, translucent, 25%.
2600-2608	24	Chert, tan to blue, semitranslucent, 40%; chert, brown, semitranslucent, with large brown oölites and free brown oölites, 35%; chert, white, dense, rough, 15%; sand, white to gray and brown aggregates, very fine, 10%.
2608-2615	10	Chert, light tan, semitranslucent, with large brown, translucent oölites ringed with white dense chert, 75%; chert, white, dense to bluish, translucent, 25%.
2615-2622	8	Chert, cream, finely dolocastic, 50%; chert, tan to brown, semitranslucent, 25%; chert, bluish-white, semitranslucent, 25%.
2622-2629	5	Chert, bluish-white, semitranslucent, banded, 45%; chert, white, rough, 25%; chert, brown, as above, 25%; sand, bright, angular, and quartz, angular fragments, crystalline, 5%.
2629-2635		Samples missing.
2635-2641	16	Chert, brown, semitranslucent, with numerous brown translucent oölites ringed with white dense chert, 70%; sand and quartz, as above, 30%; much finely crystalline pyrite.
2641-2649		Samples missing.
2649-2655	15	Chert, white, dense, smooth, vitreous to rough, 75%; sand and quartz, as above, 25%.
Top Roubidoux dolomite, 2655.
2655-2662	20	Chert, bluish-white to tan, semitranslucent, finely oölitic, 70%; sand, bright, angular, averaging 0.2mm diameter (many grains irregular to flaky in shape), 30%.
2662-2669		Samples missing.
2669-2676	1	Sand, as above, 75%; chert, as above, 25%.
2676-2682	4	Sand as above, 75%; chert, white, dense, rough, 15%; chert, white to tan, dense, mottled, 10%.
2682-2688	2	Sand, as above, 70%; chert, bluish-white, translucent, 20%; chert, white, dense, rough, 10%.
2688-2694	20	Sand, as above, 90%; chert, white, semitranslucent, 10%.
2694-2701	2	Sand, as above, 90%; chert, as above, 10%.
2701-2707	8	Sand, as above, 90% chert, white, semitranslucent, 10%.
2707-2733	20	Sand,coarser than previous samples (grains range from 0.8 to 0.1 mm diameter and fragments of angular quartz measure 1.0 mm plus; larger grains are rounded and frosted), 90%; chert, white, dense to bluish, translucent, 10%.
2733-2746	8	Sand, as above, 90%; chert, white, dense, with gray, dense to translucent oölites, 10%.
2746-2754	16	Sand, as above, 50%; chert, white, dense to semitranslucent, 50%.
2754-2767	6	Sand, as above, 75%; chert, white, dense to bluish, translucent, 25%.
2767-2780	10	Sand, as above, 90%; chert, white, dense to semitranslucent, 10%.
2780-2787	6	Sand, as above, 50%; chert, white, dense, vitreous, 25%; drusy quartz, 25%.
2787-2793	6	Sand, ranging from 1.0 to 0.1 mm diameter (grains 0.2 mm or less are bright and angular; larger grains rounded, frosted), 90%; chert, white, dense, vitreous, 10%; much spongy pyrite.
2793-2800	46	Sand, as above, 100%.
2800-2807	34	Sand, as above, 100%.
2807-2820		Samples missing.
Top Gasconade-Van Buren sequence, 2820.
2820-2827	12	Chert, white, dense, vitreous to quartzose, 90%; sand, as above, 10%.
2827-2841	24	Chert, white, dense, smooth, vitreous, 100%; trace angular fragments of crystalline quartz.
2841-2847	10	Chert, as above, 100%.
2847-2852	48	Chert, white, dense, smooth, vitreous, with quartz veinings, 50%; quartz, clear, drusy, 35%; sand, fine, bright, angular, secondarily enlarged, 15%.
2852-2861	84	Chert, white, as above, 90%; sand, as above, 10%.
2861-2870	2	Chert, as above, 90%; sand, as above, 10%.
2870-2877	4	Sand, poorly sorted, ranging from 0.8 to 0.1 mm diameter (larger grains are rounded, frosted; smaller grains are bright, angular), 75%; chert, bluish-white to tan, semitranslucent, 25%.
2877-2885	4	Chert, white, dense, vitreous to quartzose, 85%; sand, as above, 15%.
2885-2892	10	Chert, as above, 90%; sand, as above, 10%.
2892-2917	22	Chert, as above, 90%.,; sand, as above, 10%.
2917-2935	10	Chert, cream, dense, smooth to rough, 65%; quartzose material, 25%; sand, as above, 10%.
2935-2939		Samples missing.
Top Gunter sandstone member of the Van Buren formation, 2959.
2939-2942	20	Chert, as above, 65%; sand (larger grains up to 1.0 mm diameter are rounded, frosted; smaller grains average 0.2 mm diameter, are bright, angular), 35%; trace mica.
2942-2947	10	Chert, cream to tan, dense to semitranslucent, 75% sand, as above, 25%.
2947-2956	30	Chert, as above, 75%; sand, as above, 25%.
Top Eminence dolomite, 2955.
2956-2961	12	Chert, buff, dense, smooth to slightly rough, 70%; sand, fine, bright, angular, and drusy quartz, 30%.
2961-2970	4	Sand and drusy quartz, as above, 50%; chert, as above,
50%.
Top Bonneterre (?) dolomite, 2970.
2970-2991	8	Sand, fine, bright, angular, and drusy quartz, (grains are irregular in shape, some flaky and some needle-like, and range from 0.5 to 0.1 mm diameter), 75%; chert, as above, 25%.
2991-3002	4	Sand, as above, 90%; chert, white, dense, dull, with white oölites, 10%.
3002-3018	2	Sand, as above, 90%; chert, white, dense, semiquartzose, 10%.
3018-3023	16	Sand, as above, 80%; shale, greenish-gray, 20%.
3023-3044	10	Sand, as above, 100%.
3044-3050	8	Sand, as above, 50%; chert, dark gray, drusy, 30%; chert, white, dense, semiquartzose, 20%.
3050-3059		Samples missing.
Top Lamotte sandstone, 3059.
3059-3064	54	Sand, as above, 90%; quartz, drusy, gray, as above, 10%.
3064-3079		Samples missing.
3079-3085	64	Sand, fine, in well indurated aggregates, associated with finely crystalline pyrite, 75%; sand, as above, 25%.
Top Pre-Cambrian granite, 3085.
3085-3091	100	Pink granite.
T. D.

D. R. Lauck No, 1 McLean, SW cor. SE sec. 1, T. 27 S., R. 1 W., Sedgwick County, Kansas. No. 7, cross section A-A' (Fig. 11).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 3601.
3601-3607		Samples too small to make residues.
3607-3617	18	Chert, white, dense, porcelaneous, 85%; sand, angular, fine, bright, 15%.
3617-3623	25	Chert, as above, 90%; sand, angular, fine, bright, 10%.
3623-3630	10	Simpson shale, caved, 80%; chert, white, dense, 10%; sand, as above, 10%.
3630-3636	50	Simpson shale, caved, 90%; quartz, crystalline, angular fragments, 5%; sand, bright, angular, 5%.
3636-3667		Samples too small to make residues.
3667-3679	10	Chert, tan to brown, translucent, oölitic, 70%; chert, white, dense, porcelaneous, 15%; pyrite, massive, 15%.
3679-3697		Samples missing.
3697-3705	12	Chert, white, dense, with translucent oölites, 85%; chert, tan, as above, 15%.
3705-3713	5	Pyrite, bright, spongy, 50%; chert, tan, quartzose, 30%; chert, white, dense, oölitic, as above, 20%.
3713-3719		Samples too small to make residues.
3719-3725	5	Quartz, crystalline, angular fragments, 90%; chert, tan, quartzose, 5%; pyrite, spongy, 5%
3725-3733	3	Chert, soft, white, crumbly, tripolitic, 85%; quartz, drusy, light tan, 15%.
3733-3743	3	Quartz, crystalline, angular fragments, 75%; chert, light tan, dense, vitreous, 15%; chert, tripolitic, as above, 10%.
3743-3750	1	Sand, poorly sorted, secondarily coated, 1.0 to 0.1 mm diameter, 100%.
3750-3755	10	Quartz, drusy, brown, 80%; sand, bright, angular, medium fine, 20%.
3755-3769		Samples too small to make residues.
3768-3773	5	Chert, bluish, translucent, 55%; sand, as above, 40%; quartz, drusy, brown, 5%.
3773-3778	3	Chert, bluish, translucent, 65%; sand, as above, 30%; quartz, drusy, brown, 5%.
3778-3783	5	Quartz, drusy, brown, 50%; chert, bluish, translucent, 30%; sand, as above, 20%.
3783-3786	6	Chert, white, dense, porcelaneous, 85%; sand, fine, bright, angular, 15%.
3786-3791		Samples too small to make residues.
3791-3798	20	Chert, white, dense, porcelaneous, 100%.
3798-3803		Samples too small to make residues.
3803-3809	15	Sand, well sorted, bright, angular, averaging 0.2 mm diameter, 80%; chert, white, dense, porcelaneous, 20%.
3809-3814	5	Sand, as above, 90%; chert, white, dense, porcelaneous, 10%.
3814-3820	20	Chert, white, semitranslucent, 100%.
3820-3826	5	Chert, white, dense, porcelaneous 65%; sand, fine, bright, angular, 25%; quartz, drusy, brown, 10%.
3826-3832	5	Chert, porcelaneous, as above, 60%; chert, buff, dense, vitreous, 15%; sand, as above, 15%; chert, dolocastic, 10%.
3832-3836	25	Chert, bluish, translucent, 95%; chert, soft, white, tripolitic, 5%.
3836-3841	33	Chert, bluish, translucent, 75%; chert, tripolitic, as above, 15%; sand, fine, bright, angular, 10%.
3841-3851	40	Chert, bluish, translucent, 85%; chert, tripolitic, as above, 10%; sand, as above, 5%.
3851-3855	10	Chert, bluish, translucent, 65%; chert, tripolitic, as above, 25%; sand, as above, 10%.
3855-3861	15	Chert, bluish, translucent, 60%; sand, as above, 25% chert, tripolitic, as above, 15%.
3861-3866	37	Chert, white, dense to semitranslucent, 85%; chert, tripolitic, as above, 15%.
3866-3871	3	Chert, white, as above, 85%; chert, tripolitic, as above, 15%.
3871-3877	45	Chert, white, dense, with numerous white and brown oölites and white oölites free in sample, 85%; chert, tripolitic, as above, 10%; chert, translucent, tan, 5%.
3877-3882	43	Chert, white, dense to semitranslucent, with scattered brown oölites, 95%; chert, tripolitic, as above, 5%.
3882-3890	30	Chert, white, dense to semitranslucent, 90%; chert, tripolitic, as above, 10%.
3890-3897	20	Chert, as above, containing brown oölites and white coated brown oölites free in the sample, 90%; chert, tripolitic, as above, 10%.
3897-3907	15	Chert, white, dense, rough, 100%.
3907-3911	20	Chert, white, dense, 80% chert, light tan, translucent, semiquartzose, 20%.
3911-3921	9	Chert, white, dense to semitranslucent, 85%; chert, tan, as above, 10%; sand, fine, bright, angular, 5%.
3921-3926	10	Chert, white, as above, 80%; quartz, crystalline, angular fragments, 15%; chert, dolocastic, 5%.
3926-3933	25	Chert, white, as above, 92%; sand, fine, bright, angular, 5%; chert, very finely dolocastic, 3%.
3933-3938	15	Chert, bluish-white, translucent, with scattered brown oölites, 60%; chert, light tan, translucent, 15%; sand, as above, 15%; chert, white, soft, crumbly, tripolitic, 10%.
3938-3943	20	Sand, bright, angular, averaging 0.5 mm diameter, 85%; chert, tripolitic, 15%.
3943-3953	4	Chert, white, dense to bluish, translucent, 50%; sand, as above, 30%; quartz, drusy, brown, 20%.
3953-3959	20	Chert, light tan, semitranslucent, 95%; chert, tripolitic, 5%.
3959-3964	25	Chert, tan, as above, 70%; sand, medium coarse, bright, angular, 20%; chert, white, dense, porcelaneous, 10%.
3964-3974	5	Chert, white, dense, porcelaneous, 95%; chert, tan, as above, 5%.
3974-3985	2	Chert, white, dense, porcelaneous, 40%; chert, white, semitranslucent, 30%; sand, fine, bright, angular, 20%; quartz, drusy, brown, 10%.
(Residues 3985-4703 T.D. are estimated from examination of original samples because samples are too small to make residues).
3985-3992	25	Chert, bluish, semitranslucent, 100%.
3992-3997	10	Chert, white to bluish, semitranslucent, 75%; sand, bright, angular, averaging 0.4 mm diameter, with few angular fragments crystalline quartz, 25%.
3997-4002	10	Chert, as above, 50%; sand, as above, 50%.
4002-4008	1	Chert, white to bluish, semitranslucent, 100%.
4008-4013	1	Sand, fine, bright, angular, 100%.
4013-4019	20	Chert, bluish-white, semitranslucent, 100%.
4018-4025	6	Chert, white, dense to bluish, translucent, vitreous, 100%.
4025-4030		Sample not usable.
Top Roubidoux dolomite, 4030.
4030-4035	1	Chert, bluish-white, semitranslucent, 70%; sand, fine, bright, angular, 30%.
4035-4047	20	Sand, bright, angular, 0.2 mm diameter, 80%; chert, white, dense, rough, 20%.
4047-4056	5	Sand, as above, 80%; chert, as above, 20%.
4056-4060	1	Sand, as above, 100%.
4060-4065	10	Sand, as above, 70%; chert, bluish, semitranslucent, 30%.
4065-4070	5	Sand, as above, 80%; chert, white, dense to bluish, translucent, 20%.
4070-4076		Samples missing.
4076-4083	25	Chert, blue, translucent, 100%.
4083-4097	1	Chert, as above, 100%.
4097-4103	15	Sand, bright, angular, 0.6 to 0.1 mm diameter, with angular fragments crystalline quartz, 100%.
4103-4109	25	Sand, bright, angular, 1.5 to 0.1 mm diameter, with much angular crystalline quartz and aggregates of quartz crystals (quartz faces on sand indicate secondary enlargement), 100%.
4109-4119	10	Sand, bright, angular, 1.0 to 0.1 mm diameter, averaging 0.4 mm diameter, 100%; no crystalline quartz.
4119-4124	1	Chert, bluish, translucent, 60%; sand, fine, bright, angular, 40%.
4124-4128		Samples missing.
4128-4135	10	Chert, as above, 60%; sand as above. 40%.
4135-4138	1	Chert, as above, 60%; sand, as above, 40%.
4138-4141	1	Sand, fine, bright, angular, 100%.
4141-4150	10	Sand, as above, 100%.
4150-4158	1	Sand, as above, 100%.
4158-4166	10	Sand, as above, 80%; chert, white, dense, soft, tripolitic, 20%.
4166-4186	1	Sand, as above, 100%.
4186-4203	10	Sand, bright, angular, averaging less than 0.1 mm diameter, 100%.
4203-4213	20	Sand, as above, 100%.
4213-4224	25	Sand, as above, with few coarse grains and flecks green shale, 100%.
4224-4229	20	Sand, as above, 90%; chert, white, dense, rough, 10%.
4229-4235	20	Sand, as above, 100%.
4235-4243	10	Sand, as above, 100%.
4243-4248	20	Sand, as above, 100%.
Top Gasconade-Van Buren sequence, 4248.
4248-4270	40	Chert, white, dense, semiquartzose, 60%; sand, bright, angular, averaging 0.3 mm diameter, 40%.
4270-4282		Samples missing.
4282-4289	15	Chert, white, dense, semiquartzose, 75%; sand, as above, with flecks black mica, 20%; chert, soft, white, tripolitic, 5%.
4289-4298	25	Chert, as above, 50%; sand, as above, 50%.
4298-4310	25	Sand, as above, 100%.
Top basal sand (Gunter?), 4310.
4310-4343	100	Sand, bright, angular, fairly well sorted, averaging 0.5 mm diameter, 100%.
4343-4350	100	Sand, coarser, with grains 1.0 mm diameter, 100%.
4350-4357	100	Sand, coarser, with grains 2.0 mm diameter, 100%.
4357-4363	100	Sand, as above, 50%; shale, green (may be cave), 50%.
Top Pre-Cambrian metamorphic rocks, 4363.
4363-4370		Samples missing.
4370-4703		Quartzite and schist.
T. D.

Babcock Oil Company No. 1 Copeman, S2 S2 SE sec. 7, T. 10 S., R. 2 W., Ottawa County, Kansas. No. 26, cross sections C-C', D-D', and H-H' (Figs. 11 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 3723.
3723-3727	10	Quartz, crystalline, angular fragments, 75%; sand, fine, bright, angular, 20%; chert, white, dense, rough, 5%; trace spongy pyrite.
3727-3729	17	Sand, fine, bright, angular, 80%; quartz, drusy, gray, 10%; chert, white, dense, rough, 10%.
3729-3730	17	Chert, white, dense, rough, 50%; sand, as above, 45%; chert, finely dolocastic, porous, 5%; trace brown oölites in chert.
3730-3740	8	Sand, as above, 60%; chert, dolocastic, as above, 30%; chert, white, dense, rough, 10%.
3740-3744	9	Chert, light tan to brown, semitranslucent, quartzose, 50%; chert, dolocastic, as above, 40%; sand, as above, 10%.
3744-3747	11	Chert, white, dense, rough, with hackly fracture, 100%.
3747-3750	17	Chert, as above, with numerous white soft oölites which are brown and translucent at core, 100%.
3750-3767		Samples too small to make residues.
3767-3777	20	Chert, white, as above, 70%; sand grains, fine, bright, angular, 30%; trace fine pyrite crystals.
3777-3790		Samples too small to make residues.
3790-3795	40	Chert, blue to brown, translucent, opalescent, 100%.
3785-3800	80	Chert, as above, 80%; chert, white, dense, porcelaneous, 20%.
3800-3815		Samples too small to make residues.
3815-3818	10	Chert, bluish, translucent, vitreous, 90%; sand, bright, angular, 10%.
3818-3845		Samples too small to make residues.
Top Roubidoux dolomite, 3845.
3845-3850	20	Chert, white, dense to semitranslucent, 90%; sand, as above, 10%.
3850-3860	10	Chert, as above, 75%; sand, as above, 25%.
3860-3868	10	Chert, as above, 60%; sand, fine, bright, angular, 40%.
3868-3876		Samples too small to make residues.
3880-3892	10	Chert, as above, 60%; sand, as above, 40%.
3892-3900	15	Sand, 0.8 to 0.1 mm diameter, mostly bright, angular but some larger grains rounded, frosted, 100%; trace waxy, olive drab shale.
3900-3905	20	Sand, as above, 100%.
3905-3916	35	Sand, as above, 100%.
3916-3925	18	Sand, as above, 50%; drusy?, quartz, 30%; chert, white, dense to semitranslucent, 20%.
3925-3934		Samples too small to make residues.
3934-3962	10	Sand, as above, 70%; quartz, drusy?, 30%.
3962-3967	10	Sand, as above, 100%.
3967-3977	65	Sand, as above, 100%; some grains have pinkish color.
3977-3991	55	Sand, as above, 100%.
3992-3997	65	Sand, as above, 100%.
3997-4001 1/2	85	Sand, as above, with trace weathered feldspar, 100%
4001 1/2-4009	90	Sand, arkosic, fine, bright, angular, grains averaging 0.2 mm diameter, 100%.
Top Pre-Cambrian rocks, 4009?
4009-4021		Samples missing.
4021-4114	100	Sand, as above, 75%; feldspar, weathered, 25%; trace mica flakes and black mineral which may be hornblende. Some of sand and feldspar occurs in loose aggregates.
T. D. 4135

Shell Petroleum Corporation and Olson Drilling Company No. 7 Blake, NE cor. SW sec. 23, T. 23 S., R. 4 W., Reno County, Kansas. No. 8, cross section A-A' (Fig. 11).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 3815.
3815-3825	7	Sand, fine, bright, angular, averaging 0.1 mm diameter, with drusy, secondary quartz enlargement, 70%; chert, buff, finely dolocastic, quartzose, 30%.
3825-3835	4	Sand, free, as above, 45%; sand grain aggregates, well indurated, 30%; chert, dolocastic, as above, 15%; chert, white, dense, porcelaneous, 10%.
3835-3840	7	Sand, as above, 70%; tan, semitranslucent, semi- quartzose, 20%; chert, white, finely dolocastic, semiquartzose, 10%.
3840-3845	5	Sand, as above, 65%; chert, dolocastic, as above, 25%; chert, tan, semiquartzose, as above, 10%.
3845-3850	14	Quartz, drusy, tan, 30%; chert, dolocastic, as above, 25%; chert, white, dense, rough, 20%; sand, as above, with much spongy pyrite, 15%; chert, white, dense, porcelaneous, 10%.
3850-3855	13	Shale, buff, finely dolocastic, porous, 50%; sand, as above, 20%; chert, tan, semitranslucent, vitreous, 15%; quartz, drusy, tan, 15%.
3855-3860	7	Shale, (cavings?), dolocastic, white, 50%; shale, brown, finely dolocastic, porous, 25%; chert, white, dense, porcelaneous 20%; sand aggregates, well indurated, 5%.
3860-3865	6	Shale, white, dolocastic, as above, 50%; sand, sub- rounded, fine, averaging 0.2 mm diameter, 45%; chert, blue, translucent, quartzose, 5%.
3865-3870	3	Shale, dolocastic, white, as above, 75%; sand, as above, free and in aggregates, 15%; chert, white, dense, porcelaneous, 10%.
3870-3880	5	Sand, as above, free, 70%; shale, brown, porous, finely dolocastic, 30%
3880-3890	21	Chert, blue to white, translucent, vitreous, 30%; chert, tan, translucent, quartzose, 30%; chert, white, rough, dense, 30%; shale, brown (cavings?), 10%.
3890-3900	18	Sand, subrounded to angular, well sorted, averaging 0.2 mm diameter, 60%; chert, white to buff, semitranslucent, vitreous, 25%; chert, tan, quartzose, as above, 10%; chert, white, dense, rough, 5%.
3900-3910	15	Sand, as above, 30%; chert, white to bluish, semitranslucent, vitreous, 20%; chert, tan, translucent, quartzose, 20%; quartz, crystalline, angular fragments, 15%; shale, brown, porous (caved from higher beds?), 15%.
3910-3920	53	Chert, blue to tan, translucent, vitreous, with veinings of crystalline quartz, 90%; chert, cream, dense, rough, 10%.
3920-3930	37	Chert, blue to tan, as above, 100%.
3930-3960	19	Chert, white to tan, semitranslucent, vitreous, with scattered oölites, large brown and small white, translucent, 806%; chert, white, coarse and finely dolocastic, quartzose, 20%.
3960-3970	25	Chert, bluish-white, semitranslucent, vitreous, 80%; quartz, crystalline and milky, angular fragments, 20%.
3970-4000	12	Chert, bluish, as above, with scattered large dolocasts, 60%; quartz, angular fragments, as above, 20%; chert, finely dolocastic, mealy-textured, white, 10%; chert, tan, semitranslucent, vitreous, 10%.
4000-4010	31	Chert, bluish,,as above, 40%; chert, dolocastic as above, 30%; chert, white, dense porcelaneous, 20%; quartz,, angular fragments, as above, 10%.
4010-4030	21	Chert, bluish, as above, 35%; chert, tan, translucent, fairly oölitic, 30%; chert, dolocastic, as above, 20%; chert, porcelaneous, 10%; quartz, angular fragments, 5%.
4030-4040	27	Chert, bluish, as above, 95%; chert, dolocastic, as above, 5%.
4040-4060	14	Chert, bluish, as above, 100%.
4060-4070	18	Chert, white to gray, semitranslucent, vitreous, 50%; chert, tan, quartzose, 40%; quartz, milky and crystalline, angular fragments, 10%.
4070-4090	13	Chert, white to bluish, semitranslucent, vitreous, 70%; quartz, drusy, tan, 20%; chert, dolocastic, as above, 10%.
4090-4100	10	Chert, bluish-white, semitranslucent, 50%; chert, dolocastic, as above, 20%; chert, tan, quartzose, as above, 15%; chert, tan, translucent, 10%; quartz, crystalline and milky, angular fragments, 5%.
4100-4130	9	Quartz, drusy, tan to dark brown, 85%; chert, bluish, as above, 15%.
4130-4140	7	Quartz, drusy, brown, 70%; chert, bluish, as above, 30%.
4140-4150	14	Quartz, drusy, brown, 40%; chert, white, semitranslucent, vitreous, 30%; chert, blue to tan, faintly oölitic, translucent, 30%.
4150-4160	14	Chert, blue to tan, as above, 40%; quartz, drusy, brown, 30%; chert, white, as above, 20%; sand, coarse, round, frosted, and fine, bright, angular, 10%.
4160-4170	16	Chert, bluish-white, semitranslucent, vitreous, 75%; quartz, drusy, brown, 15%; chert, white, fine-grained, dense, 10%.
4170-4200	11	Quartz, drusy, brown, 50%; chert, bluish, as above, faintly oölitic, 40%; quartz, crystalline, angular fragments, 10%.
4200-4220	13	Quartz, drusy, brown, 40%; chert, white, dense, porcelaneous, 30%; chert, bluish, as above, 30%.
4220-4230	10	Chert, blue to tan, translucent, vitreous, with scattered large brown oölites; 50%; chert, white, dense, rough to porcelaneous, 30%; sand, coarse, rounded, pitted grains and fine bright angular sand, 20%.
4230-4240	13	Chert, white to tan, quartzose, 70%; chert, white to bluish, semitranslucent, vitreous, 20%; chert, brown, quartzose, with scattered faint brown oölites, 10%.
Top Roubidoux dolomite, 4240.
4240-4260	14	Sand, extremely angular, 1.0 to 0.1 mm diameter (may be angular fragments crystalline quartz), 50%; chert, white to tan, semitranslucent, vitreous, with scattered faint brown oölites, 50%.
4260-4270	10	Sand, as above, 50%; chert, white to bluish, semitranslucent, vitreous, 20%; quartz, drusy, tan, 20%; chert, coarsely dolocastic, 10%.
4270-4280	7	Sand, as above, 50%; chert, bluish, as above, 25%; quartz, drusy, tan, 20%; chert, white, tripolitic, as above, 5%.
4280-4300	10	Sand, as above, 60%; chert, white to tan, semitranslucent, vitreous, 25%; chert, dolocastic, as above, 10%; quartz, drusy, brown, 5%.
4300-4320	11	Sand, as above, 85%; chert, bluish, semitranslucent, 15%.
4320-4330	13	Sand, as above, 45%; chert, brown, quartzose, 30%; chert, bluish, as above, 25%.
4330-4340	10	Chert, bluish, as above, 50%; sand, as above, 30%; chert, tan, quartzose, 10%; quartz, crystalline, angular fragments, 10%.
4340-4370	5	Sand, as above, 70%; chert, bluish, as above, 20%; quartz, drusy, white to tan, 10%.
4370-4380	2	Sand, as above, 55%; chert, bluish-white, semitranslucent, 25%; chert, white, quartzose, 20%.
4380-4390	3	Sand, as above, 75%; chert, white, dense, porcelaneous, 25%.
4390-4400		Samples missing.
4400-4420	4	Chert, white, dense, rough, 25%; chert, white, semitranslucent, vitreous, 25%; chert, white, quartzose, and quartz, crystalline, angular fragments, 25%; sand, as above, 25%.
4420-4430	13	Sand, rounded to subrounded, 0.5 mm diameter, free and in clusters, 100%.
4430-4450	12	Sand, as above, 90%; chert, bluish-white, semitranslucent, vitreous, 10%.
Top basal sand (Roubidoux?), 4450.
4450-4460	42	Sand, bright, angular (secondarily enlarged?), fairly well sorted, averaging 0.5mm diameter, 100%.
4460-4480	78	Sand, as above, 100%.
4480-4490	57	Sand, as above, with trace grains 2.0 mm diameter, 100%.
4490-4510		Cement.
Top Pre-Cambrian granite, 4498.
4510-4560		Pink granite.
T. D. is 4709.

Mid-Continent Petroleum Corporation No. 9 Hartle, SW NE SW NW sec. 15, T. 20 S., R. 9 W., Rice County, Kansas, No. 9, cross sections A-A, and H-H' (Figs. 11 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 3240.
3240-3270		Samples too small to make residues.
3270-3280	33	Chert, white, finely dolocastic, mealy-textured, 50%; chert, tan, translucent, vitreous, 50%.
3280-3290	17	Chert, tan, as above, 50%; quartz, drusy, brown, 20%; chert, lacy, dolocastic, 20%; sand, subrounded, ranging from 0.4 to 0.1 mm diameter, 10%.
3290-3300	25	Chert, bluish-white, translucent, vitreous, 70%; chert, tan, as above, 20%; sand, subrounded, averaging 0.1 mm diameter, 10%.
3300-3310	33	Chert, blue to brown, translucent, vitreous, 9,0%; quartz, drusy, white to brown, 10%.
3310-3320	33	Chert, blue to brown, as above, 85%,; sand, subrounded, averaging 0.1 mm diameter, 5%; quartz, drusy, white to brown, 5%; chert, soft, white, finely dolocastic, 5%.
3320-3340	25	Chert, blue to brown, as above, 75%; quartz, drusy, brown, (oöcasts?), 25%.
3340-3350	17	Chert, blue to tan, translucent, with scattered faint brown oölites, 100%.
3350-3370	22	Chert, blue to tan, semitranslucent, vitreous, 90%; chert, lacy, coarsely dolocastic, 10%.
3370-3380		Samples missing.
3380-3390	33	Chert, blue to tan, as above, 60%; chert, white, soft, finely dolocastic, 40%.
3390-3400	20	Chert, white, dense, rough, 50%; sand, bright, angular, averaging 0.1 mm diameter, 20%; chert, dolocastic, as above, 20%; chert, white, dense, porcelaneous, 10%.
3400-3410	25	Chert, white to blue, semitranslucent, vitreous, 60%; chert, dolocastic, as above, 40%.
3410-3420	33	Chert, dolocastic, as above, 50%; chert, blue to tan, semitranslucent, 40%; chert, white, finely porous, 10%.
3420-3430	40	Chert, blue to tan, as above, 70%; chert, dolocastic, as above, 30%.
3430-3440	50	Chert, blue to tan, as above, 90%; chert, very finely dolocastic, quartzose, 10%.
3440-3450	22	Chert, white to buff, semitranslucent, 70%; chert, white, lacy, coarsely dolocastic, 30%.
3450-3455		No sample.
3455-3460	12	Quartz, drusy, brown, 55%; chert, bluish-white, translucent, 25%; sand, bright, angular, averaging 0.1 mm diameter, 20%.
3460-3490		Samples missing.
3490-3495	2	Sand, as above, 90%; drusy, brown, quartz, 10%.
3495-3500	18	Chert, white to buff, semitranslucent, 80%; quartz, drusy, brown, 20%.
3500-3510	20	Chert, white, translucent, with numerous brown oölites 0.3 mm diameter, 100%.
3510-3520	9	Chert, blue, translucent, opalescent, 55%; quartz, drusy, brown, 45%.
3520-3525		Samples missing.
3525-3530	18	Chert, blue, as above, 80%; quartz, drusy, brown, 20%.
3530-3535		Samples too small to make residues.
3535-3540	10	Chert, blue, as above, 80%; quartz, drusy, brown, 20%.
3545-3555	33	Chert, blue,.as above, 50%; quartz, drusy, brown, 50%.
3555-3565		Samples missing.
3565-3570	18	Chert, blue to white, semitranslucent to translucent, 70%; sand, bright, angular, averaging 0.3 mm diameter, 20%; quartz, drusy, brown, 10%.
3570-3576	25	Chert, white, soft, finely dolocastic, mealy-textured, 50%; chert, blue to tan, semitranslucent, vitreous, 50%.
3576-3610		Samples too small to make residues.
3610-3615	14	Sand, bright, angular, 0.5 to 0.1 mm diameter, 75%; chert, blue, translucent, 25%.
3615-3635	14	Chert, blue, translucent, with waxy luster, 80%; sand, as above, 20%.
3635-3650	27	Chert, blue, as above, 90%; sand, as above, 10%.
Top Roubidoux dolomite, 3650.
3650-3660	7	Sand grains, subrounded, averaging 0.3 mm diameter, 50%; chert, blue, as above, 50%; flecks bright green shale common.
3660-3665	7	Sand, as above, 75%; chert, blue, as above, 25%.
3665-3680	10	Sand, as above, 60%; chert, blue, as above, 40%
3680-3685	6	Chert, white to blue, semitranslucent, vitreous, 70%; sand, as above, 30%; numerous flecks green waxy shale.
3685-3690	8	Sand, as above, 50%; chert, as above, 50%.
3690-3695	9	Sand, bright, angular to subrounded, ranging from 0.8 to 0.1 mm diameter, associated with flecks green shale, 70%; chert, light tan, translucent, quartzose, 30%.
3695-3705	8	Chert, as above, 50%; sand, as above, 50%.
3705-3715	6	Sand, as above, 75%; chert, as above, 25%.
3715-3735		Samples too small to make residues.
3735-3740	4	Sand, bright, angular, well-sorted, averaging 0.2 mm diameter, 100%.
3740-3750		Samples too small to make residues.
3750-3755	9	Sand, as above, 100%.
3755-3760		Samples too small to make residues.
3760-3770	7	Sand, as above, 75%; chert, blue to tan, semitranslucent, semiquartzose, 25%.
3770-3775		Samples too small to make residues.
3775-3780	11	Sand, as above, 100%.
3780-3785		Samples too small to make residues.
Top basal sand (Roubidoux?), 3785.
3785-3790	55	Sand, angular to subrounded, 0.5 to 0.1 mm diameter, 100%.
3790-3800		Samples too small to make residues.
3800-3810	64	Sand angular to subrounded, averaging 0.4mm diameter.
3810-3815		Samples too small to make residues.
Top Pre-Cambrian granite, 3815.
3815-3855		Pink granite, somewhat weathered in appearance.
3855-3905		Fresh granite.
T. D.

The Texas Company No. 4 Dees, SE cor. NW sec. 23, T. 17 S., R. 9 W., Ellsworth County, Kansas. No. 18, cross sections B-B' and H-H' (Figs. 10 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 3208.
3208-3220	12	Sand, ranging from rounded grains 2.0 mm diameter to bright, angular grains 0.1 mm diameter, 50%; chert, tan, dense, with scattered light tan oölites, 50%.
3220-3225	8	Quartz, drusy, brown, 75%; sand grains, subrounded, averaging 0.3 mm diameter, 25%.
3225-3235	17	Sand, as above, 70%; quartz, drusy, brown, 30%.
3235-3260	28	Sand, as above, 75%; chert, white, dense, rough, 10%; chert, tan to blue, translucent, vitreous, 10%; chert, white, soft, finely dolocastic, 5%.
3260-3272		Samples missing.
3272-3282	21	Quartz, drusy, brown, 50%; sand, as above, 50%.
3282-3292	5	Quartz, drusy, brown, 100%.
3292-3300	21	Chert, blue to tan, semitranslucent, vitreous, with scattered large tan opaque oölites and few free oölites, 50%; sand, ranging from rounded, frosted grains 0.5 mm diameter to bright, subangular grains 0.1 mm diameter, 25%; quartz, drusy, brown, 20%/,; chert, finely dolocastic, 5%.
3300-3308	10	Quartz, drusy, brown, with numerous tan oölites coated with drusy quartz and oöcasts lined with drusy quartz, 100%.
3308-3318	15	Chert, blue to tan, dense, vitreous, with numerous brown and white oölites, coated with drusy quartz, 70%; sand, as above, 30%.
3318-3326	9	Quartz, drusy, brown, as above, 50%.; sand, bright, angular, averaging 0.2 mm diameter, 50%.
3326-3340	19	Chert, blue to tan, dense, vitreous, 50%; chert, white, finely dolocastic, mealy-textured, 30%; sand, as above, 20%.
3340-3348	10	Chert, blue to tan, semitranslucent, vitreous, 65%; chert, dolocastic, as above, 25%; chert, white, dense, rough, 10%.
3348-3362	25	Chert, light tan, semitranslucent, vitreous, 50%; chert, dolocastic, as above, 25%; sand, fine, bright, angular, 25%.
3362-3378	8	Chert, blue to tan, semitranslucent, vitreous, 70%; chert, dolocastic, as above, 20%; sand, as above, 10%.
3375-3383	18	Chert, blue to tan, as above, 75%; chert, dolocastic, as above, 10%; chert, white, dense, rough, 10%; sand, as above, 5%.
3383-3388	12	Chert, white to buff, dense, porcelaneous, with scattered included sand grains, 55%; sand, as above, 25%; quartz, drusy, white, 20%.
3388-3395	18	Chert, white to buff, dense, vitreous, 50%; sand, as above, 25%; quartz, crystalline, angular fragments, 10%; quartz, drusy, white, 10%; chert, dolocastic, 5%.
3395-3405	4	Chert, white, dense to tan, translucent, vitreous, 40%; chert, white, finely dolocastic, mealy-textured, 20%; sand, fine, as above, 20%; quartz, drusy, white to tan, 20%.
3405-3407		Samples missing.
3407-3419	1	Sand, as above, 50%; quartz, drusy, brown, 25%; chert, white, dense, porcelaneous, 25%.
3417-3435	29	Chert, white to tan, dense, vitreous, with brown opaque oölites, 90%; sand, as above, 10%.
3435-3443	8	Sand, as above, 60%; chert, oölitic, as above, and drusy, free oölites coated with drusy quartz, 40%.
3442-3455	62	Chert, white to tan, dense, vitreous, 100%.
3455-3468	13	Quartz, drusy, brown, 45%; chert, white, dense, vitreous, with included sand grains, 45%; sand, as above, 10%.
3468-3475	9	Sand, as above, 50%; chert, bluish-white, semitranslucent, vitreous, with scattered included sand grains broken across the grain, 30%; quartz, drusy, brown, 20%.
3475-3517		Samples too small to make residues.
3517-3525	14	Quartz, drusy, 100%.
Top Roubidoux dolomite, 3525.
3525-3533	7	Sand, bright, angular, averaging 0.1 mm diameter, but with few coarse, rounded, frosted grains 1.0 mm diameter, 50%; chert, white, dense to tan, translucent, vitreous, 40%; quartz, drusy, 10%.
3533-3545	6	Sand, as above, 50,0/t; chert, blue to tan, translucent, semiquartzose, 40%; chert, white, dense, porcelaneous, 10%.
3545-3565	10	Sand, as above, 70%; chert, blue to tan, as above, 20%; chert, white, dense, porcelaneous, 10%.
3565-3580	10	Sand, as above, 85%; chert, blue to tan, as above, 15%.
3580-3600	8	Sand, as above, 70%; chert, tan, semitranslucent, semiquartzose, 30%.
3600-3634	6	Sand, as above, 90%; chert, tan, as above, 10%.
3634-3657	2	Sand, with angular to subrounded, pitted grains up to 1.0 mm diameter, 100%.
3657-3670	6	Quartz, crystalline, angular fragments, 50%; sand, fine, bright, angular (0.2 mm diameter), 50%; terminated quartz crystals common.
Top basal sand (Roubidoux ?), 3670.
3670-3682	12	Sand, bright, angular, averaging 0.3 mm diameter, 100%.
3682-3710	65	Sand, as above, but with few rounded, frosted and pitted grains 1.0 mm diameter, 100%.
3710-3715		Samples missing.
3715-3733	58	Sand, free, as above, 90%; sand grains, coarse, in aggregates, 10%.
3733-3748		Samples too small to make residues.
3748-3758	95	Sand, as above, 100%.
3758-3772	89	Sand, as above, with the addition of some arkosic material, 100%.
Top Pre-Cambrian (?) quartzite, 3772.
3772-3795	100	Sand, coarse, as above, 75%; feldspar, weathered, 25%.
3795-3810	100	Quartz, angular fragments, up to 3.0 mm diameter, 100%; traces mica and much weathered feldspar.
3810-3845	100	Sand, finer, bright, angular, ranging from 1.0 to 0.1 mm diameter, and with small amount arkosic material, 100%.
3845-3915	100	Sand, fine, bright, angular, averaging 0.3 mm diameter, 75%; arkosic material, 25%.
3915-3925	100	Sand, as above, but with coarse grains up to 2.0 mm diameter, 75%; arkosic material, 25%.
3925-3965	100	Quartzite or granite, angular fragments.
3965-4097		Pink granite (?).
T. D. is 4100.

Stanolind Oil and Gas Company No. 5 Riemann, SW SW NW sec. 34, T. 16 S., R. 13 W., Barton County, Kansas. No. 19, cross section B-B' (Fig. 10).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 3406.
3406 cir.	25	Chert, blue to tan, translucent, 40%; chert, cream, dense, rough, 40%; sand, fine, bright, angular, averaging 0.1 mm diameter, 20 %.
3412-3415	7	Sand, as above, 70%; chert, buff, translucent to dense, porcelaneous, 30%.
3415-3416	10	Sand, ranging from 0.4 to 0.1 mm diameter, rounded and frosted, 100%.
3416-3418	11	Sand, rounded, frosted, as above, 90%; chert, light, brown, translucent, with brown, translucent oölites, 10%.
3418-3421 1/2	10	Sand, as above, 60%; chert, light tan, translucent, with faint translucent oölites and oöcasts, 40%.; flecks light green shale.
3421 1/2-3423 1/2	13	Sand, as above, 40%; chert, tan, translucent, 30%; chert tan, dense, porcelaneous, mottled, 30%.
3423 1/2-3426	11	Chert, light tan, translucent, semiquartzose, 25%; quartz, drusy, tan, 25%; chert, white, dense, rough, containing white dense oölites, partly weathered out, 25%; sand, as above, 20%; quartz, crystalline, angular fragments, 5%.
3426-3427	12	Sand, as above, 65%; chert, tan, as above, 20%; quartz, drusy, tan, 10%; chert, white, dense to translucent, with white oölites, 5%.
3427-3428	24	Sand, as above, 75%; chert, tan, as above, 10%; chert, white, dense, rough, 5%; chert, white, dense, porcelaneous, with large brown translucent oölites, 5%; quartz, drusy, tan, 5%.
3428-3429	9	Sand, very coarse, rounded, frosted, ranging from 1.0 to 0.1 mm diameter, 87%; drusy, tan, 8%; chert, tan, as above, 5%.
3429-3430	13	Sand, as above, 75%; chert, light tan, translucent, with faint white translucent oölites, 15%; quartz, drusy, tan, 10%; considerable amount spongy pyrite.
3430-3433	9	Chert, blue to tan, semitranslucent, 30%; sand, as above, 25%; chert, tan, as above, with large brown translucent oölites, 25%; chert, cream, dense, rough, 20%.
3433-3435	10	Sand, as above, 50%; chert, blue to tan, as above, 40%; chert, rough, as above, 10%.
3435-3436	10	Chert, blue to tan, as above, 50%;; sand, as above, 50%.
3436-3436 1/2	12	Chert, blue to tan, semitranslucent to translucent, 40%; chert, cream, dense, porcelaneous, with brown, translucent oölites, 30%; sand, as above, 20%; chert, cream, spongy, finely dolocastic, 10%; much light green, waxy shale.
3436 1/2-3436' 8"	6	Sand, coarse, rounded, frosted, and fine, bright, angular, 50%; chert, white, dense, porcelaneous, 20%; chert, white, semiquartzose, 10%; chert, bluish, translucent, 10%; chert, brown, translucent, banded with white dense chert, 10%; much tarnished spongy pyrite.
3436' 8"-3438	6	Chert, tan, translucent, semiquartzose, with white dense oölites, 40%; sand, as above, 35%; chert, bluish, translucent, 20%; quartz, milky, angular fragments, 5%; much spongy pyrite.
3438-3444	21	Sand, as above, 50%; chert, tan, oölitic, as above, 25%; chert, cream, dense, porcelaneous, with scattered brown translucent oölites, 15%; chert, bluish, translucent, 5%; chert, white, dense, rough, 5%.
3444-3448	13	Sand as above, 40%; chert, tan, oölitic, as above, 25%; chert, blue to tan, translucent, 25%; chert, fragile, white, rough, coarsely dolocastic, 10%.
3448-3455	9	Chert, tan, dense to translucent, faintly mottled, 40%; sand, fine, bright, angular, averaging 0.2 mm diameter, few large rounded, frosted grains, 30%; chert, blue, to tan, with veins of crystalline quartz, 15%; chert, white, dense, rough, 15%.
3455-3465	14	Sand, as above, 50,%; chert, tan to bluish, translucent, 25%; chert, white, porcelaneous, with large brown translucent oölites, 15%; chert, white, rough, dense, 10%.
3465-3470	12	Sand, as above, 38%; chert, white, dense, porcelaneous, oölitic, as above, 20%; chert, white to tan, dense, porcelaneous, 20%; chert, blue to tan, translucent, semiquartzose, 15%; chert, white, dense, rough, 5%; oölite aggregates, coated with drusy, quartz, 2%.
3470-3475	5	Sand, as above, 65%; chert, tan to bluish, translucent, 15%; chert, white, quartzose, 10%; chert, tan to brown, translucent, 10%.
3475-3480	8	Sand, as above, 50%; chert, tan, translucent to dense, porcelaneous, 25%; chert, white, dense, rough, 15%; chert, white, dense, porcelaneous, 10%.
3480-3485	8	Chert, white, dense to tan, translucent, 40%; sand, sub- rounded, averaging 0.3 mm diameter, with few grains 1.0 mm diameter, rounded and frosted, 40%; chert, tan, semitranslucent, vitreous, with traces of oölites, and bands and veins of crystalline quartz, 20%.
3485-3490	13	Sand, as above, 70%; chert, white, dense, dull to rough, 15%; chert, tan, semitranslucent, with numerous brown oölites, 15%.
3490-3495	11	Sand, as above, with flakes mica, 35%; chert, blue to tan, semitranslucent, vitreous, 35%; chert, tan, oölitic, as above, 20%; chert, white, porcelaneous, 5%; chert, white, dense, rough, 5%.
3495-3500	11	Sand, angular to subrounded, averaging 0.2 mm diameter, 30%; chert, white, dense, with altered rough surface and trace oölites, partly weathered out, 20%; chert, white, dense, porcelaneous, 20%; chert, tan, translucent, quartzose, oöcasts lined with drusy quartz, and scattered large brown translucent oölites ringed with white dense chert, 15%; chert, blue to tan, as above, 15%.
3500-3506 1/2	9	Chert, light tan, translucent, 50%; sand, as above, 50%.
3506 1/2-3515	10	Sand, as above, 40%; chert, blue to tan, translucent, 30%; chert, white, dense, porcelaneous, with large brown translucent and white dense oölites, 30%.
3515-3518	6	Sand, as above, 60%; chert, blue to tan, translucent, 20%; chert, tan, translucent, with included sand grains, 20%.
3518-3523	9	Sand, as above, 30%; chert, white, dense, porcelaneous, 30%; chert, blue to tan, translucent, 30%; chert, dark brown, dense, mottled, 10%.
3523-3528	8	Chert, tan, translucent, 50%; sand, as above, with flecks green shale, 50%.
3528-3532	12	Sand, as above, 35%; chert, tan, translucent, with numerous included sand grains and sand grain cavities and scattered pyrite crystals on surface, 30%; chert, white to buff, dense, porcelaneous, 30%; chert, white, finely dolocastic, fragile, 5%.
3532-3536	11	Sand, as above, 30%; chert, white, dense, dull to vitreous, 25%; chert, white, dense to brown, translucent, mottled, with fine pyrite crystals on surface, 25%; chert, white, dense, rough, 20%.
3536-3540	5	Sand, as above, 95%; chert, white, dense, with faint brown translucent oölites, 5%.
3540-3545	10	Sand, as above, 50%; chert, oölitic, as above, 50%.
3545-3550	6	Sand, as above, 60%; chert, tan, translucent, veined and encrusted with crystalline quartz, 20%; chert, bluish-white, semitranslucent, 10%; chert, cream, dense, porcelaneous, 10%.
Top Roubidoux dolomite, 3550.
3550-3555	6	Sand, angular to subrounded, averaging 0.2 mm diameter, but with large rounded, frosted grains 2.0 mm diameter, 95%; chert, white, semitranslucent, 5%.
3555-3560	7	Sand, as above, 90%; chert, bluish, semitranslucent, 10%.
3560-3580	8	Sand, as above, with traces weathered feldspar, 100%.
3580-3585	15	Sand, as above, 75%; sand grains in chert, 25%.
35S5-3595	18	Sand, as above, with considerable amounts of mica and weathered arkosic material, 80,%; sand grains in chert, 10%; sand grains in well-indurated clusters, 100%.
3595-3605	20	Sand, as above, 80%; sand grains in chert, 20%.
3605-3650	13	Sand, as above, 100%.
3650-3675	16	Sand, as above, 100%.
3675-3690	9	Sand, as above, with mica flakes 2.0 mm diameter, 100%.
Top Pre-Cambrian granite, 3690,
3690-3760		Pink granite.
T. D. is 3762.

Phillips Petroleum Company No. 1 Vernon, NE NE sec. 32, T. 3 S., R. 28 W., Decatur County, Kansas. No. 37, cross sections D-D', I-A and I-I' (Figs. 12 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Roubidoux dolomite, 4275.
4275-4280	60	Chert, tan, translucent, vitreous, 50%; chert, blue, translucent, milky, 25%; sand, fine, bright, angular, averaging 0.1 mm diameter, secondarily coated, and associated with much glauconite or green shale, 25%.
4280-4284		Samples missing.
4284-4290	38	Sand, as above, 80%; chert, tan, translucent, vitreous to quartzose, 20%.
4290-4295	25	Sand, as above, 85%; feldspar, weathered, 15%.
4295-4297		Sample missing.
Top Bonneterre dolomite, 4297.
4297-4300	14	Sand, fine, well sorted, with much glauconite, 100%.
4300-4305	19	Sand, as above, associated with numerous glauconite grains 0.5 mm diameter, 100%.
4305-4310	20	Sand, as above, 75%; sand, coarse, subrounded, averaging 0.5 mm diameter, 25%.
4310-4335	23	Sand, fine, as above, 60%; sand, coarse, as above, 40%; much glauconite.
4335-4340	13	Sand, fine, as above, 55%; glauconite, bright green, large shiny grains, (1.0 mm diameter), 25%; sand, coarse, as above, 20%.
4340-4355	18	Glauconite, 50%; sand, coarse, as above, 50%.
4355-4360	20	Sand, bright, angular, ranging from 0.5 to 0.1 mm diameter, 90%; glauconite, 10%; trace mica flakes.
Top Lamotte sandstone, 4363.
4360-4365	27	Sand, as above, free and in aggregates, 90%; glauconite, 10%.
4365-4370	38	Sand, well sorted, averaging 0.2 mm diameter and in aggregates, 50%; sand, coarse, 0.5 to 0.2 mm diameter, free, 50%; minor amount glauconite.
4370-4380	83	Sand, as above, in aggregates, 75%; sand, coarse, free, as above, 25%.
Top Pre-Cambrian granite, 4380.
4380-4400	100	Pink granite.
T. D.

Cities Service Oil Company No. 1 Victory Life Insurance Company, W2 W2 NW sec. 36, T. 13 S., R. 30 W., Gove County, Kansas. No. 21, cross sections B-B' and I-A (Figs. 10 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 4600 or 4601 (company top)
4600-4615		Samples too small to make residues.
4615-4620	6	Sand, well sorted, subrounded, averaging 0.3 mm diameter, free and in well-indurated clusters resembling sand grains in chert, 30%; chert, tan, semitranslucent, semiquartzose, with faint brown oölites, 30%; chert, white to gray blue, dense, mottled, 30%; chert, white, rough, 10%; much crystalline pyrite.
4620-4625	8	Sand, rounded, frosted, averaging 0.5 mm diameter, 30%; quartz, drusy, brown, 20%; chert, tan, as above, 20%; chert, white, dense, mottled with dark blue veinlets, 20%; chert, bluish, translucent, waxy-lustered, 10%.
4625-4630	9	Chert, white, dense, vitreous, 75%; quartz, drusy, brown, 15%; chert, dolocastic, quartzose, 10%.
4630-4635	25	Chert, bluish, translucent, 55%; chert, white, rough, with cavities due to removal of sand grains or oölites, 20%; chert, tan, translucent, quartzose, 10%; chert, white dense, porcelaneous, 5%; druse, tan, 5%; chert, dolocastic, as above, 5%.
4635-4640	13	Chert, tan, dense, semiquartzose, with faint brown translucent oölites, 60%; chert, white, rough, finely dolocastic, 30%; sand, fine, bright, angular, 0.2 mm diameter, 10%; much tarnished spongy pyrite.
4646-4650	11	Chert, white, dense, porcelaneous, 20%; sand, as above, 20%; chert, tan, translucent, quartzose, 20%; chert, bluish, semitranslucent, vitreous, with scattered brown translucent oölites, 15%; chert, white, rough, dense, 15%; chert, tan, oölitic, as above, 10%.
4650-4655	3	Sand, as above, 501%; chert, dolocastic, quartzose, 15%; chert, white, porcelaneous, with tan translucent oölites, 10%; chert, tan, oölitic, as above, 10%; quartz, drusy, brown, 10%; quartz, drusy, 5%.
4655-4660	6	Chert, white, dense, rough, mottled with brown dense chert, 35%; chert, white, dense, rough, 35%; chert, blue to tan, semitranslucent, 20%; sand, as above, 10%.
4660-4665	20	Chert, blue to tan, as above, 30%; chert, white, dense, porcelaneous, with scattered white oölites, 30%; chert, white, dense, finely dolocastic, 15%; sand, fine, subangular, 15%; chert, bluish, semitranslucent, quartzose, with oöcasts, lined with drusy quartz, 10%; minor amount spongy pyrite.
4665-4670	10	Chert, white to buff, dense, vitreous, with finely dolocastic, lacy surface, 20%; chert, blue to brown, semitranslucent, vitreous, 20%; chert, white, porcelaneous, 20%; sand, fine, as above, 20,%; quartz, drusy, brown, 10%; quartz, crystalline, angular fragments, 10%.
4670-4675	10	Chert, white to buff, dense as above, 75%; sand, fine, bright, angular, 0.1 mm average diameter, 25%.
4675-4680	6	Chert, tan, semitranslucent, semiquartzose, 30%; chert, lacy, dolocastic, quartzose, 30%; sand, as above, 30%; chert, blue to tan, dense, vitreous, mottled, 10%.
4680-4685	5	Chert, tan, semiquartzose, as above, 40%; chert, dolocastic, as above, 40%; sand, rounded, frosted grains 0.8 mm diameter, grading into bright, angular grains 0.2 mm diameter, 20%.
4685-4690	6	Chert, tan, semiquartzose, as above, 75%; sand, as above, 25%.
4690-4693	6	Sand, as above, 30%; chert, bluish, semitranslucent, 30%; chert, tan, translucent, quartzose, oöcastic, 30%; chert, dolocastic, as above, 10%.
4693-4700	6	Sand, as above, 50%; chert, dark gray to blue and tan, mottled, banded, semitranslucent, 25%; chert, white, dense, with dark blue oölites, 10%; chert, white to cream, finely dolocastic, quartzose, 10%; chert, tan, translucent, quartzose, 5%.
4700-4705	20	Chert, mottled, as above (may be cave), 50%; sand, as above, 20%; chert, white, dense, porcelaneous, 15%; chert, white, dense, rough, 15%; much pyrite.
Top Roubidoux dolomite, 4705.
4705-4710	5	Chert, blue to tan, semitranslucent, with scattered brown, translucent oölites, 40%; sand, fine, bright, angular, averaging 0.3 mm diameter, 40%; chert, quartzose, with oöcasts and free oölites, crusted with drusy quartz, 20%.
4710-4715	7	Sand, as above, 40%; chert, light tan, semitranslucent, semi-quartzose, 35%; chert, blue, dense, mottled, 20%; chert, finely dolocastic, quartzose, 5%.
4715-4720	6	Chert, white to tan, semitranslucent, vitreous, with scattered dark brown, translucent oölites, 80%; sand, as above, 20%.
4720-4725	15	Sand, rounded, frosted, averaging 0.4 mm diameter, 50%; chert, tan, as above, with scattered white, dense oölites, 25%; sand grains in chert, 15%; chert, gray, dense, vitreous, (caved from higher beds ?), 10%.
4725-4730	14	Sand, as above, 85%; chert, tan, as above, non-oölitic, 15%.
4730-4735	8	Sand, as above, 75%; chert, white, with numerous included sand grains, 15%; chert, white, dense, porcelaneous, 5%; chert, tan, as above, 5%.
4735-4740	8	Sand, coarse, poorly sorted, ranging from coarse rounded, frosted grains 1.0 mm diameter to bright, angular grains 0.1 mm diameter, 80%; sand grains in chert, 15%; chert, tan, as above, with white, dense oölites, 5%; trace green shale and glauconite.
4740-4743	5	Sand, as above, 90%; chert, white, dense, mottled with brown, 10%; numerous flecks bright green shale.
4743-4750	7	Sand, as above, 90%; chert, blue to tan, dense, vitreous, 10%.
4750-4755	11	Sand, as above, 65%; sand in well-indurated aggregates, 25%; chert, blue to tan, as above, 5%; chert, brown, with numerous dark brown dense oölites, 5%.
4755-4765	5	Sand, with much drusy quartz coating, 100%.
4765-4770	7	Sand, finer, averaging 0.1 mm diameter, mostly bright, angular, 90%; chert, white, translucent, with included sand grains, 10%.
4770-4775	16	Sand, as above, 100%.
4775-4790	5	Sand, as above, 100%.
4790-4800	4	Sand, as above, 80%; chert, white, soft, coarsely dolocastic, 20%; considerable green dolocastic, pyritic shale.
4800-4810	6	Chert, dolocastic, as above, 50%; sand, as above, 50%; much lacy, dolocastic green shale.
4810-4825	6	Sand, as above, 55%; drusy, quartz, 25%; chert, dolocastic, as above, 20%.
4825-4830	2	Sand, subangular, averaging 0.2 mm diameter, with flecks bright green shale, 100%.
4830-4845	4	Sand, as above, 80%; chert, soft, white, lacy, dolocastic, 10% ; quartz, crystalline, angular fragments, 10%.
4845-4850	4	Sand, as above, 65%; chert, white, dense, rough, with scattered large dolocasts, 25%; chert, white, translucent, faintly oölitic, 10%.
4850-4870	3	Sand, as above, 95%; chert, bluish, semitranslucent, 5%
4870-4875	3	Sand, as above, 85%; chert, coarse, lacy, dolocastic, 15%.
4875-4885	3	Sand, as above, 80%; chert, tan, dense, vitreous, 15%; chert, dolocastic, as above, 5%.
4885-4895	3	Sand, as above, 90%; chert, soft, white, lacy, dolocastic, 10%.
4895-4900	4	Sand, as above, 60%; chert, blue to tan, semitranslucent, 25%; chert, white to buff, dense, dull, 10%; chert, dolocastic, as above, 5%.
4900-4905	3	Sand, fine, bright, angular, averaging 0.1 mm diameter, 75%; sand, coarse, rounded, frosted grains, averaging 0.8 mm diameter, 25%.
4905-4920	2	Sand, as above, 80%; chert, white to tan, semitranslucent, vitreous, 10%; chert, soft, white, lacy, dolocastic, 10%.
4920-4950	3	Sand, very fine, bright, angular, averaging 0.1 mm diameter, 100%.
4950-4975	3	Sand, as above, 75%; chert, white, soft, medium finely dolocastic, 25%.
4975-4980	2	Sand, as above, with drusy coatings, 75%; chert, dolocastic, as above, 25%.
Top Eminence dolomite, 4980.
4980-4985	8	Sand, as above, 85%; chert, coarse, dolocastic, lacy, 15%.
4985-4995	3	Sand, as above, 55%; chert, dolocastic, as above, 45%.
4995-5000	4	Sand, as above, 45%; chert, dolocastic, as above, 45%; chert, white to buff, semitranslucent, vitreous, 10%.
5000-5005	6	Chert, dolocastic, as above, 40%; chert, white, dense, rough, with scattered large dolocasts, 30%; sand, as above, 20%; chert, buff, as above, 10%.
5005-5025	4	Chert, dolocastic, as above, 50%; sand, as above, 40%; chert, white, rough, as above, 10%; much dark spongy pyrite.
5025-5030	4	Chert, white, quartzose to soft, dense, coarsely dolocastic, 60%; chert, brown, coarsely dolocastic, 40%.
5030-5050	6	Chert, brown, spongy, dolocastic, 70%; sand, fine, bright, angular, 20%; chert, dense, vitreous tan, 10%.
Top Bonneterre dolomite, 5050.
5050-5055	10	Sand, coarser, rounded, frosted, averaging 0.5 mm diameter, 50%; chert, dolocastic, as above, 30%; chert, tan, as above, 20%.
5055-5098	11	Sand, as above, with flecks bright green shale or glauconite, 75%; chert, brown, dolocastic, as above, 25%.
5098-5103	15	Sand, as above, 100%.
5103-5115	16	Sand, as above, with few large grains 3.0 mm diameter, 100%.
5115-5125	28	Sand, as above, 100%.
5125-5135	20	Sand, as above, approximately half in aggregates associated with a considerable amount of glauconite, 100%.
5135-5140	36	Sand, as above, 100%.
5140-5160	48	Sand, as above, approximately 75% in aggregates and associated with mica flakes, 100%.
Top Pre-Cambrian granite, 5160.
5160-5169	100	Pink granite.
T. D.

Alma Oil Company and Robert McNeeley No. 1 Watchorn, SW NE sec. 13, T. 15 S., R. 33 W., Logan County, Kansas. No. 22, cross sections B-B' and I-A (Figs. 10 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 5950.
5050-5065		Samples too small to make residues.
5065-5070	25	Chert, finely dolocastic, mealy-textured, 80%; chert, tan, translucent, vitreous, 15%; quartz, crystalline, angular fragments, 5%.
5070-5075	2	Pyrite, spongy, 25%; chert, dolocastic, as above, 25%; sand, fine, bright, angular, averaging 0.1 mm diameter, 25%; chert, cream, soft, finely porous, with cavities due to removal of microfossils (caved from higher beds?), 25%.
5075-5080	11	Chert, dolocastic, as above, 75%; sand, as above, 25%.
5080-5085	9	Chert, tan, dense to semitranslucent, vitreous, 40%; sand, coarse, rounded, frosted grains, ranging to angular subrounded grains 0.1 mm diameter, 40%; chert, dolocastic, as above, 20%.
5085-5095		Samples too small to make residues.
5095-5105	5	Sand, fine, bright, angular, averaging 0.1 mm diameter, 40%; chert, blue to tan, semitranslucent, vitreous, 30%; chert, blue to tan, translucent, with large translucent oölites, 30%.
5105-5110		Sample too small to make residues.
5110-5115	2	Sand, as above, 75%; chert, tan, dense, vitreous, 25%.
Top Roubidoux dolomite, 5120.
5115-5125		Sample too small to make residues.
5125-5130	5	Sand, as above, 50%; chert, white to cream, rough, dolocastic, 25%; chert, tan, translucent, with dark brown oölites, 25%.
5130-5135	14	Chert, white, dense, with brown translucent oölites, 80%; sand, as above, 20%.
5135-5140	7	Sand, as above, 40%; chert, cream, dense, rough, 30%; chert, tan, semitranslucent, semiquartzose, 30%.
5140-5145	5	Chert, blue to tan, semitranslucent, vitreous, 75% sand, as above, 25%.
5145-5150	3	Sand, as above, 50%; chert, white to tan, dense, vitreous, with brown translucent oölites, 50%.
5150-5155	5	Sand, as above, 55%; chert, white, quartzose, medium finely dolocastic, 15%; chert, tan, translucent, quartzose, 15%; chert, blue, dense, vitreous, 15%.
5155-5160	9	Sand, as above, 60%; chert, tan, dense, vitreous, with brown oölites, 40%.
5160-5165	4	Sand, as above, 75%; chert, bluish white, vitreous, with dark brown to gray oölites, 20%; chert, tan, translucent, quartzose, 5%.
5165-5170		Samples too small to make residues.
5170-5175	6	Sand, fine, averaging 0.2 mm diameter and with secondary quartz enlargement, 100%
5175-5185		Samples missing.
5185-5190	9	Chert, tan, translucent to dense, vitreous, with numerous brown translucent oölites, 50%; sand, as above, 50%.
5190-5195	14	Sand, coarse, rounded, frosted, averaging 0.5 mm diameter, 85%; chert, buff, dense, rough, finely dolocastic, 15%.
5195-5200	12	Sand, as above, 70%; chert, tan, translucent, quartzose, with oöcasts lined with drusy quartz, 25%; chert, white, dense, porcelaneous, 5%.
5200-5220		Samples too small to make residues.
5220-5225	14	Sand, as above, 70%; chert, tan, dense, vitreous, with scattered brown oölites and few dolocasts, 25%; chert, brown, spongy, finely dolocastic, 5%.
5225-5230		Sample too small to make residues.
5230-5235	4	Sand, as above, 80%; chert, tan, semitranslucent, vitreous, 10%; chert, white, dense, rough, 10%.
5235-5240	14	Sand, as above, 80%; chert, tan, 10%; chert, rough, 10%.
5240-5245	7	Sand, as above, 75%; chert, white, dense, rough, 25%.
5245-5255	8	Sand, as above, 85%;; chert, white, dense, porcelaneous, 15%.
5255-5260	11	Sand, as above, 80%; chert, white, dense, rough, 20%.
5260-5285	6	Sand, fine, bright, angular, well-sorted, averaging 0.1 mm diameter, approximately one-third in drusy clusters.
5285-5290	9	Sand, bright, angular, well sorted, coarser than previous samples, averaging 0.3 mm diameter, 70%; chert, white, dense, rough, with scattered fine dolocasts, 30%.
5290-5300	4	Sand, as above, 100%.
5300-5305		Sample too small to make residues.
5305-5310	7	Sand, fine, bright, angular, averaging 0.1 mm diameter, 50%; sand, coarse, subrounded and frosted, averaging 0.5 mm diameter, 50%.
5310-5320	2	Sand, fine, as above, 80%; chert, light tan, semitranslucent, 20%.
5320-5325	4	Sand, as above, 100%.
5325-5335		Samples too small to make residues.
5335-5340	8	Sand, as above, 80%; chert, white, quartzose, coarsely dolocastic, 20%.
5340-5365	2	Sand, fine, well sorted, subrounded, averaging 0.1 mm diameter, 100%.
5365-5370	2	Sand, bright, angular, averaging 0.3 mm diameter, 80%; oölites, cream, dense, rough, hollow, 20%.
5370-5385	5	Sand, as above, 100%.
5385-5390	3	Sand, as above, 48%; and, drusy aggregates, secondarily enlarged, 25%; chert, white, semitranslucent, 20%; chert, brown, dense, mottled, 5%; oölites, tan, coated with white porous chert, 2%.
5390-5395	4	Sand, as above, with much spongy pyrite, 80%; chert, white, dense, faintly mottled, 10%; chert, tan, translucent, 5%; chert, cream, spongy, finely dolocastic, 5%.
5395-5410	5	Sand, as above, 55%; chert, white, dense, dull, 15%; chert, tan to blue, dense, with scattered brown oölites, 15%; chert, tan, semitranslucent, vitreous, 15%.
5410-5425		Samples too small to make residues.
5425-5435	2	Sand, as above, associated with flecks of dolocastic green shale, 75%; chert, white, semitranslucent, 25%.
5435-5440	1	Sand, as above, 95%; quartz, crystalline, angular fragments, 5%.
5440-5445	3	Sand, as above, associated with much green shale or glauconite, 95%; chert, tan, translucent, vitreous, 5%.
5445-5455	2	Sand, as above, 95%; quartz, milky, angular fragments, 5%.
5455-5465		Samples too small to make residues.
5465-5470	3	Sand, as above, 70%; chert, white, dense, rough, medium fine to very fine, dolocastic, 25%; chert, blue, translucent, vitreous, 5%; trace coarse, round, frosted sand grains up to 1.5 mm diameter.
Top Eminence dolomite, 5470.
5470-5475	2	Sand, as above, 90%; chert, white, lacy, coarsely dolocastic, 10%.
5475-5480	17	Chert, tan, dense, vitreous, mottled, 30%; chert, white, dense, rough, dolocastic, 30%; sand, as above, 30%; drusy, quartz, 10%.
5480-5485		Samples too small to make residues.
5485-5490	13	Chert, tan, faintly mottled, with scattered dolocasts, 40%; chert, tan, dense, vitreous, 30%; sand, fine, as above 20%; sand grains, large, 3.0 mm diameter, 10%.
5490-5495	7	Chert, blue to tan, semitranslucent vitreous, 25%; chert, tan, quartzose, with vugs(?), 25%; chert, blue, dense, faintly mottled, 25%; sand, as above, 25%.
5495-5500	9	Sand, as above, 40%; chert, white, dense, rough to vitreous, coarsely dolocastic, 30%; chert, white, dense, porcelaneous, 30%.
5500-5505	5	Chert, dolocastic, as above, 25%; chert, tan, semitranslucent, with cavities lined with drusy quartz, 25%; sand, as above, with flecks of dolocastic green shale, 25%; chert, dense, porcelaneous, 15%; chert, white, dense, rough, porous, 10%.
5505-5510	5	Sand, as above, 30%; chert, white, dense, porcelaneous, 30%; chert, tan, mottled, (caved?), 30%; quartz, crystalline, angular fragments, 5%; chert, dolocastic, as above, 5%.
5510-5515	7	Sand, as above, 70%; chert, white, dense, rough, porous, 10%; chert, white, semitranslucent, vitreous, 10%; chert, dolocastic, as above, 10%.
5515-5525	6	Sand, as above, 60%; chert, gray to brown, spongy, coarsely dolocastic, 15%; quartz, crystalline, angular fragments, 10%; chert, white, dense, rough, 10%; chert, tan to blue, semitranslucent, 5%.
5525-5530	8	Sand, as above, 70%; chert, dolocastic, as above, 30%.
5530-5535	14	Sand, as above, 60%; chert, dolocastic, as above, 40%.
Top Bonneterre dolomite, 5535.
5535-5540	10	Sand, rounded, frosted, averaging 0.5 mm diameter, associated with a considerable amount of glauconite, 100%.
5540-5545	20	Sand, as above, 100%.
5545-5550	7	Sand, as above, 100%.
5550-5555	8	Sand, as above, 75%; quartz, milky, angular fragments, 25%; minor amount spongy pyrite and glauconite.
5555-5560	9	Sand, as above, 100%.
5560-5585	24	Sand, as above, 100%; trace mica flakes; few glauconite grains.
5585-5590	33	Sand, as above, 100%.
5590-5595		Sample too small to make residues.
5595-5605	20	Sand, as above, 100%.
Top Lamotte sandstone, 5-650.
5605-5665		Samples too small to make residues. Examination of samples indicates presence of sand, as above, with much glauconite. Top Reagan sand also reported at 5647. Top Pre-Cambrian granite reported at 5662
5665-5750		Pink granite.
T. D.

Stanolind Oil and Gas Company No. 5 Judd, SE SE sec. 15, T. 21 S., R. 38 W., Kearny County, Kansas. No. 12, cross sections A-A' and I-A (Figs. 11 and 13).

Depth, feet	Residue, percentage of sample	Description and percentage of insoluble residues
Eroded top of the Cotter-Jefferson City sequence, 5550.
5550-5555	10	Chert, white, dense, porcelaneous, 100%.
5555-5560	8	Chert, lacy, coarsely dolocastic, 50%; chert, white, dense, dull to vitreous, 50%; flecks green shale.
5560-5565	9	Chert, white, as above, 50%; chert, light tan, translucent, with brown, translucent oölites, 50%.
5566-5571	6	Sand, rounded, frosted, ranging from 1.0 to 0.1 mm diameter, 50%; chert, lacy, coarsely dolocastic, 35%; chert, white, dense, porcelaneous, 10%; chert, brown, translucent, 5%.
5571-5576	7	Chert, white, dense, dull-lustered, with faint brown oölites, 80%; sand, as above, 20%.
5577-5580	13	Chert, white, dense, vitreous, with inclusions of brown crystalline quartz, 65%; chert, brown, translucent, with scattered coarse dolocasts, 20%; sand, as above, 10%; chert, brown, translucent, with included sand grains, 5%.
5580-5584	14	Chert, white, dense, porcelaneous, 60%; sand, as above, 30%; chert, brown, with included sand grains, as above, 10%.
5584-5590	11	Sand, as above, 50%; chert, white, dense to semitranslucent, 50%.
5590-5595	10	Chert, light tan, semitranslucent, quartzose, grading to a dark brown drusy quartz, 40%; chert, white, dense, porcelaneous, 35%; sand, as above, 20%; chert, dolocastic, 5%.
5595-5600	14	Chert, white, dense, porcelaneous, 75%; sand as above, 20%; quartz, drusy, brown, 5%.
5600-5605	6	Chert, white to buff, dense, rough, 60%; chert, bluish white, semitranslucent, 40%.
5605-5610	10	Chert, white, dense, rough, 55%; sand, rounded, frosted, 30%; chert, gray, finely porous, dolocastic, 10%; quartz, drusy, dark brown, 5%.
5610-5615	14	Chert, white, dense, porcelaneous, 50%; chert, light tan, semitranslucent, quartzose, 40%; sand, as above, 10%.
5615-5620	8	Chert, white, dense, porcelaneous, with trace included sand grains, 45%; chert, bluish-white, translucent, 30%; chert, brown translucent, 20%; sand, as above, 5%.
5620-5625	15	Chert, porcelaneous, as above, 30%; sand, as above, 20%; chert, white, dense, rough, 20%; chert, bluish white, as above, 20%; chert, brown, dense to translucent, quartzose, 10%.
5625-5630	8	Chert, porcelaneous, as above, 70%; chert, white, dense, rough, 20%; chert, light tan, translucent, 10%.
5630-5635	9	Quartz, crystalline, angular fragments, 75%; chert, porcelaneous, as above, with inclusions of brown crystalline quartz, 20%; quartz, drusy, brown, 5%.
5635-5640	6	Chert, porcelaneous to rough, white, dense, 65%; chert, white dolocastic, quartzose, 20%; sand, rounded, frosted, 10%; quartz, drusy, clear, 5%.
5640-5645	7	Quartz, crystalline, angular fragments, 45%; chert, porcelaneous, 45%.
5645-5650	9	Quartz, milky, angular fragments, 40%; chert, white, dense, porcelaneous, 30%; chert, white, dense, rough, 10%; chert, brown to tan, translucent, 10%; chert, finely dolocastic, quartzose, 5%; sand, rounded, frosted, 5%.
5650-5655	3	Sand, as above, 40,%; chert, white, dense, rough, 40%; quartz, milky, angular fragments, 10%; quartz, drusy, tan to brown, 10%.
5655-5660	9	Quartz, milky, angular fragments, 45%; sand, as above, 20%; chert, tan semitranslucent, quartzose, 20%; chert, white to buff, dense, vitreous, 10%; chert white, dense, rough, 5%.
5660-5665	8	Chert, tan, semitranslucent, with scattered, coarse dolocasts, 60%; chert, tan, semitranslucent, vitreous, 20%; quartz, milky, angular fragments, 10%; sand, as above, 10%.
5665-5670	9	Chert, tan, translucent, vitreous, 70%; sand, as above, 30%.
5670-5675	7	Chert, white, dense, rough, with scattered large dolocasts and fine pyrite crystals on surface, 40%; chert, tan, translucent to white, dense, with tan quartzose inclusions which may be oölites, 40%; chert, white, dense, porcelaneous, 20%; considerable amount crystalline pyrite.
Top Roubidoux dolomite, 5675.
5675-5680	7	Sand, ranging from rounded, frosted grains 0.7 mm diameter to bright, angular grains less than 0.1 mm diameter, 75%; chert, white, dense, porcelaneous, 25%.
5680-5685	5	Sand, as above, 65%; quartz, drusy, tan, may be aggregates of coated sand grains, 25%; chert, tan to white, dense, vitreous, with faint brown opaque oölites, 10%.
5685-5690	8	Chert, light tan, translucent, 50%; sand, as above, 50%.
5690-5695	10	Sand, as above, 85%; chert, white, dense, vitreous to quartzose, 10%; quartz, crystalline, angular fragments, 5%.
5690-5695	6	Sand, as above, 80%; chert, white, dense, porcelaneous, with few fossil (?) cavities, 20%.
5695-5700	7	Sand, as above, 80%; chert, semitranslucent, tan, 20%.
5700-5705	9	Sand, rounded, frosted, averaging 0.5 mm diameter, 60%; chert, white, dense, porcelaneous (one fragment has fine brown oölites), 30%; quartz, milky, angular fragments, 10%.
5705-5710	3	Sand, as above, 75%; chert, tan, translucent, with scattered coarse dolocasts, 20%; chert, tan, translucent, vitreous to quartzose, 5%.
5710-5715	7	Sand, as above, 65%; chert, white, dense, vitreous to quartzose, 30%; chert, brown, semitranslucent, 5%; considerable amount spongy pyrite.
5715-5720		Samples too small to make residues.
5720-5725	6	Sand, rounded, frosted, ranging from 0.7 to 0.1 mm diameter, 50%.; chert, tan, semitranslucent, quartzose, with scattered large brown,, translucent oölites, 30%; chert, white, dense, porcelaneous to quartzose, 20%.
5720-5725	10	Sand, as above, 40%; chert, light brown, translucent, quartzose, with numerous included sand grains and/or oölites, 40%; chert, white, dense, porcelaneous, 20%.
5725-5730	8	Sand, as above, 60%; chert, white, dense, vitreous, with numerous white and brown oölites, 40%.
5730-5735	9	Sand, as above, 85%; chert, white, dense, porcelaneous, 10%; chert, tan, translucent, quartzose, 5%.
5735-5750	7	Sand, as above, 85%; chert, white, dense, rough, with white, opaque oölites partly weathered out, 15%.
5750-5755	6	Sand, as above, 80%; chert, white, finely dolocastic, mealy-textured, 10%; chert, white, dense, porcelaneous, 5%; chert, brown, translucent, oölitic, 5%.
5755-5800	7	Sand, as above, 100%.
5800-5850	4	Sand, rounded, frosted, 0.6 mm to less than 0.1 mm diameter, with flecks green shale, 90%; chert, white, dense, porcelaneous, 10%.
5850-5855	4	Sand, as above, 80%; chert, white, dense, porcelaneous, 10%; chert, brown, translucent, quartzose, 10%.
5855-5860	5	Sand, as above, 80%; chert, lacy, dolocastic, quartzose, 10%; chert, white, dense, porcelaneous, 10%.
5860-5865	3	Sand, as above, 70%; chert, dolocastic, as above, 20%; quartz, drusy, brown, 10%.
5865-5870	4	Sand, as above, 90%; chert, dolocastic, as above, 10%.
5870-5900	5	Sand, as above, 100%.
5900-6000	6	Sand, bright, angular, averaging less than 0.1 mm diameter, with few large, rounded, frosted grains, 100%.
Top Bonneterre dolomite, 6000.
6000-6010	4	Sand, fine, as above, 90%; sand grains, coarse, rounded, frosted, 10%; trace glauconite.
6010-6015	9	Sand, fine, bright, angular, free and in clusters, 90%; shale, dark brown, spongy, 10%; considerable amount of spongy pyrite.
6015-6020	5	Sand, coarse, averaging 0.5 mm diameter, mostly bright and angular, 100%.
6020-6025	4	Sand, as above, 95%; chert, lacy, coarsely dolocastic, quartzose, 5%; considerable amount glauconite and green shale.
6025-6050	6	Sand, glauconitic, as above, 100%.
Pre-Cambrian granite, 6050.
6050-6060		Gray granite, with dark gray and pink feldspar visible.
6060-6065		Granite, as above; amethyst quartz present.
6065-6069		Fresh pink granite
T. D. is 6071.

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Kansas Geological Survey, Geology
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