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Stratigraphic Sections
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Stratigraphic Sections

The following stratigraphic sections of Red Eagle beds are shown on Figure 1. They are numbered consecutively from north to south.

(1) Sec. 10, T. 8 N., R. 8 E., Lancaster County, Nebraska. Along a cut bank in the Little Nemaha Valley about one-fourth mile southwest of Bennet, Nebraska.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (10.55 feet exposed)
		Howe limestone member (2.3 feet exposed)
		12. Limestone, brown, deeply weathered, slabby	exposed 1.5
		11. Limestone, brown, dolomitic, massive	0.8
		Bennett shale member (7.75 feet)
		10. Shale, yellow to tan, slightly dolomitic, blocky	1.65
		9. Shale, olive-gray, mottled, slightly dolomitic, harder than unit 10, blocky	1.8
		8. Limestone, dove-gray, impure, vesicular, somewhat slabby	1.2
grades into
		7. Shale, gray, clayey	0.4
		6. Limestone, dove-gray, dolomitic	0.3
grades into
		5. Shale, black; Orbiculoidea, Lingula	0.4
		4. Limestone, olive-gray, dolomitic, shaly, blocky	0.4
grades into
		3. Limestone, dark-gray, dolomitic	0.3
		2. Shale, black; Orbiculoidea sparse in lower part and more abundant in upper part	1.3
		Glenrock limestone member
		1. Limestone, yellowish-gray, forming pavement in creek	exposed 0.5
Note: About a mile eastward in the same valley the Glenrock is 0.7 to 1.3 feet thick and contains fusulinids in its upper part and lobate algal masses in the lower part.

(2) Near SE cor. NE NW sec. 21, T. 4 S., R. 9 E., Marshall County, Kansas. On Kansas highway 99 one-fourth mile south of Frankfort.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (11.7 feet exposed)
		Howe limestone member (4 feet exposed)
		7. Limestone, buff to yellow, weathers spongy with network of calcite and quartz veinlets in brownish-ochre ground mass; dolomitic; fossils are not identifiable	exposed 1.0
		6. Limestone, buff, dolomitic, shaly, soft	3.0
		Bennett shale member (5.2 feet)
		5. Shale, gray, calcareous	1.5
		4. Shale, dark-gray; Orbiculoidea	1.0
		3. Shale, black, fissile	2.0
		2. Shale, gray	0.7
		Glenrock limestone member
		1. Limestone, yellow to tan, hard; abundant fusulinids in upper part; ostracodes, gastropods, bryozoans, other shell fragments, foraminifers, and algae in lower part	2.5

(3) NW NE sec. 24, T. 10 S., R. 7 E., Riley County, Kansas. In Rock Island Railroad cut about 200 feet north of U.S. highway 40.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (11.0 feet exposed)
		Howe limestone member
		8. Limestone, buff, dolomitic, massive to cellular; poorly preserved tiny snails and foraminifers	exposed 3.0
		Bennett shale member (6.4 feet)
		7. Limestone, buff, shaly, dolomitic, weathers platy	2.0
		6. Shale, dark-gray, weathers gray, calcareous to clayey	1.2
		5. Shale, black, thin-bedded; Orbiculoidea	0.4
		4. Shale, gray and black mottled, weathers gray to mottled gray and tan	2.4
		3. Shale, tan, weathers light-gray, calcareous, platy	0.4
		Glenrock limestone member (1.6 feet)
		2. Limestone, light tannish-gray, weathers tan to buff, massive; abundant fusulinids	0.7
		1. Limestone, light-tan to gray, detrital limestone, and shale fragments	0.9
Note: Beds 3-6 (Bennett shale member) contain, in addition to Orbiculoidea, bryozoans, crinoid and echinoid fragments, Ambocoelia, Wellerella, Composita, Hustedia, Chonetes, and Chonetes.

(4) Near Cen. N. line NW sec. 20, T. 10 S., R. 8 E., Riley County, Kansas. On K Hill, Manhattan.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone
		Sallyards limestone member
		20. Limestone, poorly exposed
	Roca shale (22 feet)
		19. Shale, several shades of green, blocky; contains abundant limy nodules	9.0
		18. Shale, grades from dark-purple in upper part through light- and dark-green and blue-green, to burnt-red to green in basal part; blocky; contains abundant limy nodules in middle part	averages 4.5
		17. Shale, green with red tint, massive to thin-bedded; locally contains a hard mudstone	0.8
		16. Limestone, medium-gray, dense; contains clear crystalline calcite specks and irregular veins; slightly laminated in basal part; where thickest comprises two lenticular flattened discoidal beds; algal (?)	averages 1.0
		15. Shale, green, massive	0.5
		14. Shale, bright burnt-red, thinly laminated, bedding contorted locally, silty	averages 4.4
		13. Shale, green, olive, and maroon, poorly exposed	1.8
	Red Eagle limestone (10.2 feet)
		Howe limestone member
		12. Limestone, buff to yellow peppered with black, partly dark-gray streaked with green; lower part gray to buff; porous, brecciated-appearing; crinoid and brachiopod fragments, small high-spired and low-coiled snails, algae (?)	2.8
		Bennett shale member (5.8 feet)
		11. Limestone, medium-gray, weathers tan, shaly	averages 0.4
		10. Limestone, medium-gray, weathers light-tan to tannish-gray, thin-bedded, somewhat oatmeal-like texture, abundantly fossiliferous; echinoid and crinoid fragments, productids, Neospirifer and other brachiopods	1.4
		9. Shale, gray, upper part chalky, massive; Ambocoelia, Composita, productids and other brachiopods	averages 1.5
		8. Shale, gray, harder and more limy than unit 9; Ambocoelia, Composita, Wellerella, and other brachiopods	averages 1.0
		7. Shale, black, gray, and tan mottled, thin-bedded to fissile, fossils more abundant in lower part; Orbiculoidea, Ambocoelia, Wellerella	1.5
		Glenrock limestone member
		6. Limestone, light-gray, rusty splotches and streaks, tan to black at top; contains abundant Orbiculoidea in top crust; Wellerella, Ambocoelia, and small snails	1.6
	Johnson shale (19.3 feet)
		5. Shale, gray, tan, olive, and black, thin-bedded to blocky; contains mud cracks, poorly preserved plant fragments, and ostracodes	2.7
		4. Shale, green, gray, olive, and specks of maroon, blocky, calcareous	11.0
		3. Mudstone, green to gray, dense, semilitholographic	averages 1.3
		2. Shale, green, olive, and gray, blocky, calcareous	4.3
	Foraker limestone
		Long Creek limestone member
		1. Limestone

(5) NE NE sec. 10, T. 12 S., R. 10 E., Wabaunsee County, Kansas. About 1 mile north of Alma.			Thickness, feet
PERMIAN--Wolfcampian
	Roca shale (16.45 feet exposed)
		14. Shale, deeply weathered	exposed 1.5
		13. Limestone, gray, brecciated, algal (?)	3.6
		12. Shale, gray	0.2
		11. Mudstone, ashy gray, dense	0.3
grades into
		10. Shale, ashy gray, brecciated, part weathers as "boxwork"	2.4
grades into
		9. Mudstone or limestone, ashy gray, dense	0.25
grades into
		8. Shale, gray, limy, hard	1.3
grades into
		7. Shale, brownish-gray, limohite-stained, somewhat micaceous	2.2
		6. Mudstone, gray, calcareous, nonlaminated	1.0
		5. Shale, gray and yellow, somewhat blocky	3.7
	Red Eagle limestone (5.35 feet exposed)
		Howe limestone member
		4. Limestone, purplish; spergenite of tiny gastropods, foraminifers, oolites, encrusting algae, and brachiopod fragments	0.85
		Bennett shale member (4.5 feet exposed)
		3. Shale, gray, clayey in upper part, limy and hard below	0.5
		2. Limestone, brown; contains crystalline red quartz and colorless calcite; locally nearly all drusy calcite; locally color is dove-gray with flecks of red chert	1.0
		1. Shale, gray, largely covered	exposed 3.0
Note: In the area of this exposure, in the vicinity of Alma, the Orbimloidea-bearing part of the Bennett shale and the Glenrock limestone are absent. The base of the Red Eagle formation is placed at the base of dark-gray or black shale that elsewhere is recognized as a part of the Bennett shale.

(6) SW SW sec. 30, T. 11 S., R. 12 E., Wabaunsee County, Kansas. On Kansas highway 10 near Paxico. Modified from section measured by M. R. Mudge and Robert Burton.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (12.4 feet)
		Howe limestone member (2.7 feet)
		30. Limestone, tan, soft, massive, porous; contains geodes in upper part; spergenite of tiny snails, foraminifers, oolites, and ostracodes	1.4
		29. Limestone, gray-orange, weathers tan, wavy bedded; contains small silicified "rosettes" in lower part; ostracodes, tiny snails, Pleurophorous, Ambocoelia	1.3
		Bennett shale member (9.7 feet)
		28. Limestone, red-brown, weathers gray-orange, dolomitic, shaly, massive to lenticular; contains scattered siliceous or cherty nodules	1.55
		27. Shale, gray-brown, weathers tan, thin-bedded; echinoid spines, bryozoans, brachiopods	2.65
		26. Limestone, gray-orange, weathers tan and platy, argillaceous; Orbiculoidea, crinoid fragments	0.5
		25. Shale, olive-drab to dark gray-brown, locally nearly black, weathers tan to blue-gray, calcareous, thin-bedded to fissile; large Crania, abundant Orbiculoidea and Ambocoelia	5.0
		Glenrock limestone member (2.0 feet)
		24. Limestone, tan, limonite-stained, massive, abundant fusulinids, brachiopod fragments, encrusting algae, Ambocoelia, Aviculopecten	1.3
		23. Limestone, tan, detrital; contains abundant pebbly material	0.7
	Johnson shale (23.7 feet)
		22. Shale, upper 0.5 foot tan, remainder olive-drab mottled with black; weathers tan to bluish-gray; thin-bedded to fissile; part blocky; carbonaceous; contains plant fragments and small macerated ostracodes	6.0
		21. Limestone or mudstone, gray, iron-stained, platy	4.0
		20. Shale, gray, gray-green, and olive-drab with purple mottling near top, thin-bedded to blocky and massive, lower part silty and contains limy nodules	13.7
	Foraker limestone (43.65 feet)
		Long Creek limestone member (8.4 feet)
		19. Limestone, red-brown, weathers orange-gray, soft, dolomitic, massive; contains calcite-lined cavities; 0.8-foot celestite layer at top	5.4
		18. Limestone, dark-gray with brown specks, weathers bluish-gray, blocky, argillaceous	3.0
		Hughes Creek shale member (32.85 feet)
		17. Shale, upper part olive-drab to black, lower 1.8 feet dark-gray; weathers bluish-gray; thin-bedded to blocky; lower part contains abundant fusulinids, crinoid fragments, and brachiopods	5.3
		16. Limestone, blue-gray, weathers tan, upper part weathers platy; abundant fusulinids, bryozoans, brachiopods	1.0
		15. Shale, dark-gray to black, weathers bluish-gray, fissile; Ambocoelia	2.3
		14. Limestone, dark-gray, weathers tan, massive; fusulinids, echinoid and crinoid fragments	0.8
		13. Shale, upper part olive-drab, weathers tan; lower part black, weathers blue-gray	1.45
		12. Shale, dark-gray, weathers light bluish-gray, thin-bedded to platy; crinoid fragments, fusulinids, brachiopods, bryozoans	2.95
		11. Limestone, dark-gray, weathers gray, massive, weathers platy	0.2
		10. Shale, black, weathers bluish-gray, fissile; abundant Ambocoelia	1.5
		9. Limestone, tan, hard, massive	0.5
		8. Shale, dark-gray, fissile; Linoproductus, fusulinids	0.5
		7. Limestone, bluish-gray, weathers tan, massive, weathers platy; crinoid and echinoid fragments	0.9
		6. Shale, dark bluish-gray, weathers gray, thin-bedded to fissile	5.0
		5. Shale, gray, weathers tan-gray, very calcareous, thin-bedded to platy; Aviculopecten, Neospirifer, Dictyoclostus, Linoproductus, Ambocoelia, Chonetes, Marginifera, and worm borings (?)	2.8
		4. Shale, gray-brown and mottled, weathers tan, lower 0.6 foot gray and weathers lighter in color; thin-bedded to blocky; Composita and crinoid fragments in lower part	7.65
		Americus limestone member (2.4 feet)
		3. Limestone, gray to tannish-gray; Composita, fragments of echinoderms and other fossils	1.2
		2. Shale, gray, weathers tan, silty, calcareous, thin-bedded	0.2
		1. Limestone, tan, weathers tan-gray, massive, blocky; micro-fossils	1.0

(7) SW NE sec. 11, T. 12 S., R. 10 E., Wahaunsee County, Kansas. On Mill Creek about 1 mile northeast of Alma.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone (6.2 feet exposed)
		Salem Point shale member
		27. Shale, gray, weathered	exposed 5.0
		Sallyards limestone member
		26. Limestone, ashy gray, weathers slightly rusty; algae-coated clams	1.2
	Roca shale (26.45 feet)
		25. Shale, yellowish-gray, clayey, blocky	2.3
		24. Mudstone, light-gray; ostracodes in upper part	0.65
		23. Shale, olive-gray, blocky	5.4
		22. Limestone nodules, bluish, dense, and nearly black and some reddish clay; more clayey in lower part; algae (?)	2.8
		21. Shale, bluish-gray, flaky	1.2
grades into
		20. Clay and limestone nodules; massive limestone in lower part, mottled, has worm-eaten appearance	4.6
		19. Shale, greenish-gray	1.4
		18. Shale or clay, red	1.8
		17. Limestone, dark-gray, slabby and nodular	0.3
		16. Shale, gray	2.0
		15. Shale, gray, limy; locally resistant dense limestone	1.0
		14. Shale, yellowish-gray grading into greenish in lower part, flaky	3.0
	Red Eagle limestone (13.9 feet)
		Howe limestone member
		13. Limestone, brownish, weathers gray, finely crystalline; spergenite	0.7
		Bennett shale member (13.2 feet)
		12. Shale, yellowish-gray, weathers light-gray, mottled dark to black and gray in lower part; limonitic in lower part	11.3
grades into
		11. Shale, black and mottled black and tannish-gray	1.9
grades into
	Johnson shale (17.7 feet)
		10. Shale or mudstone, gray, hard	1.9
		9. Mudstone, slate-gray, weathers lighter and rough, lower part brecciated	1.2
grades into
		8. Shale, yellowish-gray, basal part olive-green, blocky, part hard and resistant	14.6
	Foraker limestone (13.35 feet exposed)
		Long Creek limestone member (9.35 feet)
		7. Limestone, yellow and gray, crystalline; contains some red chert and crystalline quartz; slabby; pitted on weathered surfaces	1.5
		6. Shale, gray, clayey	3.3
		5. Shale or limestone, gray, platy	2.0
grades into
		4. Limestone, brown, weathers yellow	1.5
		3. Shale, gray	0.05
		2. Limestone, gray, rough-weathering, pitted	1.0
		Hughes Creek shale member
		1. Shale, gray	exposed 4.0
Note: In this area the Glenrock limestone is absent. The base of the Red Eagle formation is placed at the base of beds that elsewhere are recognized as a part of the Bennett shale.

(8) NW NW sec.13, T. 13 S., R. 12 E., Wabaunsee County, Kansas (2.5 miles south of Keene).			Thickness, feet
PERMIAN--Wolfcampian
	Roca shale
		5. Shale, gray and green, deeply weathered, contains limy nodules	exposed 2.0
	Red Eagle limestone (5.4 feet exposed)
		Howe limestone member
		4. Limestone, purplish-brown; spergenite of foraminifers, gastropods, oolites, and algae	0.8
		Bennett shale member (4.6 feet exposed)
		3. Shale, gray	0.2
		2. Limestone, brown, crystalline	0.4
		1. Shale, yellowish-gray	exposed 4.0
Note: In the area of this exposure the Glenrock limestone and the Orbiculoidea bearing lower part of the Bennett shale are absent.

(9) NE NE sec. 12, T. 15 S., R. 11 E., Wabaunsee County, Kansas. Along Locust Creek about 6 miles south and 1 mile west of Eskridge.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (18.8 feet exposed)
		Bennett shale member (17.8 feet exposed)
		4. Limestone, light-gray to nearly white; sparse chert nodules mostly in upper and middle parts; styolites; fractured and cut by solution channels; sparse echinoderm and brachiopod fragments in upper part; lower 3 feet contains sparse fusulinids and tabulate corals and fairly abundant algal colonies	exposed 13.2
		3. Limestone, light brownish-gray; sparse crinoid fragments, abundant brown chitinous fragments of Orbiculoidea, and conodonts (?)	0.7
		2. Shale, light-gray, lower part dark-gray and olive mottled, upper part highly calcareous	3.9
		Glenrock limestone member
		1. Limestone, light-tan to light gray-tan; abundant fusulinids	exposed 1.0

(10) NE NE SW sec. 23, T. 15 S., R. 11 E., Lyon County, Kansas, on the Hoffman Ranch.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (33.15 feet)
		Howe limestone member
		7. Limestone, light-gray, weathers into pitted rounded boulders; massive outcrop around hill; spergenite of oolites, foraminifers, gastropods, algae, sparse brachiopods, and other fossils	averages 5.0
		Bennett shale member (27.95 feet)
		6. Limestone, light-gray, in part limestone breccia, part coarse crystalline crinoidal limestone, part weathers shaly to nodular; unbroken crinoid columnals up to 1 foot in length; large brachiopods	12.2
		5. Limestone, light-gray to nearly white, dolomitic, massive, porous, cavernous, cherty	13.9
		4. Limestone, light-gray; contains an abundance of red-brown Orbiculoidea	0.5
		3. Shale, gray, blocky and calcareous in upper part, lower part black to dark-gray, fissile; Orbiculoidea	1.35
		Glenrock limestone member
		2. Limestone, tan to light-gray; abundant fusulinids	0.2
	Johnson shale
		1. Shale, gray, becomes blocky and calcareous downward	exposed 3.0

(11) Along W. line NW SW sec. 35, T. 15 S., R. 11 E., Lyon County, Kansas. On county road 3 miles north of Allen.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone (11.3 feet exposed)
		Burr limestone member (2.3 feet exposed)
		25. Limestone, brown, with specks of light-gray in lower part, pebbles or inclusions of light-gray limestone up to 1 foot in length in part of bed; Pseudomonotis, Aviculopecten, Myalina, and other clams, rhomboporid and fenestellid bryozoans	exposed 1.1
		24. Shale, silty and limy, locally weathers as limestone; contains crinoid fragments, rhomboporid and fenestillid bryozoans, Allerisma, Pseudomonotis, and Neospirifer	0.7
grades into
		23. Limestone or siltstone, gray, mottled, shaly; fossils as in unit 25	0.5
		Legion shale member (8.7 feet)
		22. Shale, tan, calcareous, contains large nodules and vertical stringers of chert and fine crystalline quartz; limy nodules and plates in upper part	8.2
		21. Shale, dark-gray to black, limy zone at top, subfissile	0.5
		Sallyards limestone member
		20. Limestone, gray, mottled, shaly; crinoid fragments, Aviculopecten, Pseudomonotis, and other clams	0.3
	Roca shale (21.1 feet)
		19. Shale, light and dark greenish-gray and tan, calcareous, nodular to blocky	9.5
		18. Shale, dark-green, calcareous, blocky	1.2
grades into
		17. Limestone or marl, greenish tint, green clayey veinlets, lithographic	2.1
		16. Shale, red, purple, and green; contains limy nodules; blocky; partly covered	3.5
		15. Limestone, light-gray, green tint, part lithographic, secondary calcite specks, laminated, algal-like structures	2.6
		14. Shale, green, calcareous, silty, platy bedding	2.2
	Red Eagle limestone (14.1 feet)
		Howe limestone member (4.4 feet)
		13. Limestone, gray and greenish, crenulated, almost entirely Cryptozoon-like algae up to 1 foot in diameter and 0.1 to 0.5 foot thick	averages 0.4
		12. Limestone, light-gray; upper part dense, suboolitic; lower is spergenite of snails and clams, oolites, algae, ostracodes, fusulinids, and other foraminifers, echinoderm and bryozoan fragments; upper 0.3 to 0.8 foot separated from lower part by very thin clay parting	2.8
		11. Limestone, light-gray, fragmental and crystalline, locally dense; foraminifers, snails, clams, crinoid fragments, and algae	0.9
		10. Limestone, gray and greenish; echinoderm fragments, algae	0.3
		Bennett shale member (8.8 feet)
		9. Shale, tan and gray, calcareous, thin-bedded, very fossiliferous in upper part; echinoderm spines, crinoid fragments, Neospirifer and sparse other brachiopods	5.8
grades into
		8. Limestone, light- to dark-gray, silty; somewhat sparse crinoids, bryozoans, and brachiopod fragments	1.2
		7. Limestone, mottled light- and dark-gray, weathers light-gray; contains sparse chert in upper part; Orbiculoidea, fusulinids, Hustedia, shark teeth, and algae (?)	1.3
		6. Shale; upper part gray, contains Hustedia, Wellerella, Chonetes, Ambocoelia, Derbyia, Marginifera, Orbiculoidea; lower part brown, is a coquina of Orbiculoidea	0.5
		Glenrock limestone member
		5. Limestone, gray to brownish; contains small pebblelike masses of gray and brown limestone; abundant fusulinids; Marginifera and Orbiculoidea in top crust of bed	0.9
	Johnson shale (6.8 feet exposed)
		4. Shale, gray to tan, argillaceous, blocky	0.7
grades into
		3. Shale, gray to tan and olive, calcareous, thin- to medium-bedded, blocky	2.0
		2. Shale, dark-gray to black, subfissile; contains carbonized plant fragments, small white snails	1.2
		1. Siltstone and impure limestone, gray in upper part grading downward into tan, weathers slabby	exposed 2.9

(12) Along N. line NE sec. 17, T. 18 S., R. 10 E., Lyon County, Kansas, 3 miles west and 1 mile south of Americus.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (13.5 feet exposed)
		Howe limestone member
		9. Limestone, light-gray, weathers to drab grayish-brown, a spergenite, very hard, medium to coarsely crystalline	exposed 1.1
		Bennett shale member (12.0 feet)
		8. Shale, olive, clayey to silty; bryozoans, pelecypods, Chonetes, Composita, Juresania, and abundant Meekella and Derbyia	3.4
		7. Shale, yellow to buff; bryozoans, Derbyia, Chonetes, Composita, Juresania, and Dictyoclostus	3.7
		6. Limestone, light-gray to light-tan, no color change when weathered, porous, algal (?)	2.5
		5. Limestone, mottled gray, shaly and slabby; abundant fusulinids, bryozoans, and crinoid fragments	0.7
		4. Shale, brown, clayey, thin-bedded; sparse fusulinids and abundant Crurithyris	0.6
		3. Shale, gray, calcareous; fusulinids, Crurithyris, and Orbiculoidea	1.1
		Glenrock limestone member
		2. Limestone, dark-gray, mottled, weathers tan; very abundant fusulinids	0.4
	Johnson shale
		1. Mudstone, light tannish-gray, calcareous	exposed 0.7

(13) Near Cen. sec. 26, T. 19 S., R. 7 E., Chase County, Kansas. On Elmdale hill.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone (40.8 feet exposed)
		Neva limestone member (11.0 feet exposed)
		75. Limestone, light-gray, cavernous, brecciated in part, massive	exposed 4.8
		74. Limestone, light-gray, styolites in upper part, lower part wavy bedded, sparsely fossiliferous throughout; contains fusulinids in lower part	1.6
		73. Shale, gray; locally contains thin fusulinid-bearing limestone and brachiopods	0.35
		72. Limestone and shale, slabby limestone mostly in upper half, partly a mass of shell fragments	0.2
		71. Limestone, yellow-gray, powdery; crust of Crurithyris at top; fusulinids, bryozoans, and brachiopods	0.5-0.7
		70. Shale, gray, limy	0.4
		69. Limestone, light-gray; small fossil fragments	0.35
		68. Shale, brownish-gray; bryozoans, corals, crinoid fragments, Lissochonetes, and shark teeth	0.8
		67. Limestone, yellowish-gray, "oatmeal" rock; fusulinids	0.5
		66. Limestone, light-gray, flecked with white, one massive bed	1.3
		Salem Point shale member (7.1 feet)
		65. Limestone and shale, gray, nodular, cross-bedded	0.5
		64. Shale, greenish-gray; upper part clayey; limy with thin limestone beds in lower middle part; black streak approximately 1 foot from base	6.6
		Burr limestone member (12.05 feet)
		63. Limestone, gray, upper 0.35 foot crystalline, lower part soft, silty, and laminated; mud cracks on upper surface	1.4
		62. Shale, medium dark-gray to greenish-gray	3.5
		61. Limestone, medium light-gray, upper 0.6 to 0.8 foot more massive, lower part slabby and laminated	2.0
		60. Shale and limestone, gray; upper half calcareous; lower mostly powdery laminated limestone	0.8
		59. Limestone, medium-gray, weathers slightly tan, yellow shale break 0.3 foot from top, even platy beds, "flagstone"	1.9
		58. Shale, gray, limy; pelecypods and small discoidal algal colonies	0.3
		57. Limestone, Portland cement gray; flattened fossil fragments and clams	0.8
		56. Shale, gray, calcareous; clams	0.4
		55. Limestone, light-gray; Aviculopecten and Myalina	0.5
		54. Shale, dark-gray; clams	0.15
		53. Limestone, medium-gray; clams	0.3
		Legion shale member (8.1 feet)
		52. Shale, black, papery	0.3
		51. Shale, with platy limestone in upper middle part, dark-gray; lower part is darker, well-bedded to drab; black shale 0.75 foot from base; upper part fossiliferous, brachiopods especially abundant	7.8
		Sallyards limestone member (2.55 feet)
		50. Limestone, light-gray, crystalline, hard; clams	0.25
		49. Shale, drab; Aviculopecten and other clams	0.5
		48. Limestone, gray to drab; clams	0.7
		47. Shale and limestone, gray; upper half mostly shale, lower mostly limestone; clams	0.7
		46. Shale, gray, calcareous	0.1
		45. Limestone, light-gray, platy, partly light-gray limy shale; clams	0.3
	Roca shale (16.75 feet)
		44. Shale, slightly calcareous; contains sparse clams	0.7
		43. Shale, middle part covered; upper 2 feet is greenish-gray, blocky, and limy; lower 3 feet dark to purplish-gray and contains limy nodules	8.75
		42. Limestone, gray, impure, nodular	0.2-0.3
		41. Shale, dark-gray, limy; nodules more abundant in lower part	1.7
		40. Limestone, gray, impure, nodular	1.0-1.5
		39. Shale, red, clayey	1.3
		38. Limestone, gray, nodular	averages 0.5
		37. Covered interval	2.0
	Red Eagle limestone (12.85 feet)
		Howe limestone member (1.5 feet)
		36. Limestone, medium dark-gray, weathers brown and yellow, somewhat laminated; a spergenite of foraminifers; ostracodes in upper part	1.0
		35. Limestone, gray, soft	0.5
		Bennett shale member (10.6 feet)
		34. Shale, yellow and gray, somewhat limy in upper part; abundant fossils especially in lower and middle parts, largely Chonetes and echinoid spines	3.85
		33. Limestone, nearly white, locally weathers pinkish-yellow, chalky, brecciated, cavernous; crinoids, brachiopods, and gastropods	5.15
		32. Limestone, buff, granular; fusulinids	0.8
		31. Shale, gray, variable thickness; bryozoans	averages 0.8
		Glenrock limestone member
		30. Limestone, dark-gray, hard, massive; Osagia-like algae	0.75
	Johnson shale (20.9 feet)
		29. Shale; upper approximate 1 foot black to brownish, remainder gray, blocky; approximately 1 foot of platy limy beds about 4 feet from top	11.4
		28. Limestone, buff, weathers brownish, platy, conchoidal fracture	1.8-2.0
		27. Covered interval	7.5
	Foraker limestone (43.2 feet)
		Long Creek limestone member (7.7 feet)
		26. Limestone, yellowish-gray to medium-gray, slightly granular; ripple-marked upper surface	0.5
		25. Shale, gray, limy	0.5
		24. Limestone, yellow, granular	0.5
(Locally units 24, 25, and 26 are nearly solid limestone)
		23. Covered interval	1.5
		22. Limestone, gray and yellow, deeply weathered	0.5
		21. Limestone, drab-gray, granular, massive; Osagia-like algae	0.8
		20. Limestone, yellow, granular, massive	1.2
		19. Limestone, gray, slabby	0.5
		18. Limestone, yellow, granular; Osagia-like algae	1.7
		Hughes Creek shale member (23.35 feet)
		17. Shale, dark-gray; abundant fusulinids	0.95
		16. Limestone, ashy gray, soft, weathers into rounded-off outcrop; abundant fusulinids	2.5
		15. Shale, gray, limy; fusulinids	1.0
		14. Covered interval	4.5
		13. Limestone, gray, blocky; fusulinids	1.3
		12. Covered interval	8.45
		11. Shale, dark-gray, abundantly fossiliferous; fusulinids and brachiopods	4.65
		Americus limestone member (12.15 feet)
		10. Limestone, ashy gray; fusulinids	0.6
		9. Shale, gray; fusulinids	0.15
		8. Limestone, bluish-gray; crinoid fragments and brachiopods	0.7
		7. Shale, yellow, soft	0.3
		6. Limestone, gray, hard; fossil fragments	0.3
		5. Shale, dark bluish-gray, limy in basal part; abundant fossils especially Dictyoclostus	5.9
		4. Limestone, gray, platy; brachiopods	2.0
		3. Shale, black or dark-gray; brachiopods	0.7
		2. Limestone, dark-gray, crystalline, "deer track" impressions on upper surface; fusulinids and brachiopods	1.5
	Hamlin shale
		Oaks shale member
		1. Shale, dark to black	exposed 1.5

(14) SE SE sec. 6, T. 20 S., R. 9 E., Chase County, Kansas. Along Bloody Creek.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone (20.35 feet exposed)
		Salem Point shale member
		34. Shale, gray, flaky	exposed 1.0
		Burr limestone member (7.75 feet)
		33. Limestone or shale, yellow-gray, platy	1.85
		32. Shale, gray and yellow	2.85
		31. Limestone, brown and gray, platy; clams in lower 0.2 foot	2.0
		30. Shale, gray	0.05
		29. Limestone, bluish-gray, mottled; clams	1.0
		Legion shale member (9.5 feet)
		28. Shale or shaly limestone, gray; abundant fossils especially brachiopods and bryozoans	2.0
		27. Limestone, gray, soft; fossils as in unit 28	1.0
		26. Shale, mostly gray, some bluish and yellow, flaky	6.5
		Sallyards limestone member
		25. Limestone or limy shale, gray, more shaly in middle part; abundant clams	2.1
	Roca shale (18.7 feet)
		24. Shale, dark-gray	0.25
		23. Limestone, bluish-gray, impure, platy to shaly, locally massive, locally weathers as shale	1.95
		22. Covered interval	5.1
		21. Shale, greenish-gray, slightly nodular	3.5
		20. Clay, dark bluish-gray, blocky	0.5
		19. Shale or limestone, nodular, blocky	0.5
		18. Shale, red and green, red prevalent in upper middle part	1.2
		17. Limestone, gray, nodular, very uneven top; calcite cleavage faces on fractured surface; small high-spired snails	0.4-1.0
		16. Shale, gray	0.1
		15. Limestone, Portland cement gray, silty	0.8
		14. Shale, gray; contains limestone stringers	0.5
		13. Covered interval	3.3
	Red Eagle limestone (18.6 feet exposed)
		Howe limestone member (2.7 feet)
		12. Limestone, light-gray, banded, weathers light-gray, more or less crystalline, pitted; uneven upper surface; ostracodes and foraminifers	1.0
		11. Limestone, brownish-gray, "pepper and salt"; foraminifers	0.5
		10. Limestone, gray to yellowish, somewhat slabby, earthy, uneven contact with unit 11	1.2
		Bennett shale member (14.9 feet)
		9. Shale, gray, limy	0.5
		8. Shale, yellow and gray	1.0
		7. Limestone, yellowish-gray, earthy	0.25
		6. Shale, gray; abundant bryozoans, brachiopods, and echinoid spines	4.25
		5. Limestone, light-gray to nearly white; lower 0.7 foot shaly and slabby; fusulinids in lower 1.4 feet	6.0
		4. Shale, yellow, black in lower part, silty	0.7
		3. Limestone, brownish-gray, phosphatic; contains scales, teeth, abundant conodonts, and Orbiculoidea	0.2
		2. Shale, light-gray to dark in lower part, blocky	2.0
		Glenrock limestone member
		1. Limestone, gray, blocky, jointed	exposed 1.0

(15) NW SE sec. 24, T. 21 S., R. 9 E., Chase County, Kansas. In Atyeo oil field.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (17.75 feet)
		Howe limestone member
		21. Limestone, light-gray, weathers gray to slightly yellow, more or less earthy; mostly algae and small foraminifers	1.5
		Bennett shale member (15.5 feet)
		20. Shale, yellow, clayey; Composita and Dictyoclostus	1.55
		19. Shale, drab, clayey	5.8
		18. Shale, gray and dark, more or less banded, darker gray toward base; abundant bryozoans, echinoid spines, sparse crinoid fragments, Chonetes, Neospirifer, Meekella, Wellerella, productids	5.05
		17. Limestone, medium- to dark-gray, massive; white fossil fragments	1.35
		16. Shale, dark-gray, nearly black, upper 0.7 foot harder than remainder, lower part fissile; Crurithyris and Orbiculoidea	1.75
		Glenrock, limestone member
		15. Limestone, gray, dense, impure, lithographic; part massive and brecciated-appearing; laminated; lower part slabby	0.75
	Johnson shale (18.15 feet)
		14. Limestone, sandy, and thin beds of shale; brown, limonitic	0.6
grades into
		13. Shale, brown, clayey and carbonaceous, wavy-bedded	0.4
		12. Shale, grayish-blue to dark-gray in lower part, nodular, noncalcareous	0.75
		11. Shale, light-gray, orange-pink zones in lower part, calcareous, stands out on outcrop as two lawyers with softer lower middle part	1.1
		10. Shale, upper part green, lower gray, four light and dark bands	3.7
		9. Limestone and shale, mostly limy shale; locally 0.6 foot of limestone stands out on weathered outcrop; locally algal (?) material weathered into "boxwork"	1.2-5.0
		8. Limestone, light-gray, weathers to lighter gray, impure, nodular, locally only a light band in shale	0.3-0.6
		7. Shale, light- and dark-gray bands, lower half is bluish-gray; contains lenses of satin spar gypsum in middle part and sparse gypsum in upper part	6.0
	Foraker limestone (13.25 feet exposed)
		Long Creek limestone member (11.45 feet)
		6. Clay and gypsum, nearly solid celestite in lower part; nearly pure gypsum in upper part	0.6
		5. Shale, yellow and gray	1.1
		4. Limestone, light-gray; upper part slabby, earthy to granular; part laminated; lower part weathers as nearly white shale; many vugs of barite and pyrite, veins of chalcopyrite	5.15
		3. Limestone, light-gray to yellow, platy; contains nodules of pyrite	1.25
		2. Limestone, light- to medium-gray, lower part darker and mottled, middle part suboolitic	3.35
		Hughes Creek shale member
		1. Shale, dark to nearly black, limy, hard; sparse fusulinids in upper part; lower part packed with fusulinids; lacy bryozoans, crinoid fragments, Chonetes, and Composita	exposed 1.8

(16) Near Cen. N2 sec. 33, T. 23 S., R. 10 E., Greenwood County, Kansas. In Thrall oil field, near Thrall post office.			Thickness, feet
PERMIAN--Wolfcampian
	Roca shale
		10. Shale
	Red Eagle limestone (15.7 feet)
		Howe limestone member
		9. Limestone, gray; profuse tiny low and high-spired gastropods, tiny clams, ostracodes in upper part; lower part light-gray with some tan, sandy appearing, massive; sparse poorly preserved microfossils	1.1
		Bennett shale member (14.1 feet)
		8. Shale, yellow to buff, calcareous or dolomitic	0.6
		7. Shale, mottled olive-gray and tan, thin-bedded to blocky; sparse bryozoans and echinoid fragments	9.6
		6. Limestone, light-gray, beds 0.5 foot thick and less; fusulinids, echinoderm fragments, and brachiopods	2.7
		5. Shale, gray, weathers tan, thin-bedded; sparse fragments of Orbiculoidea	1.2
		Glenrock limestone member
		4. Limestone, medium-gray, weathers tan to buff, uneven upper and lower surfaces, chiefly algal material; algal colonies weather free at top; fusulinids, ostracodes; Orbicuioidea. in top crust of bed	0.4-0.5
	Johnson shale (3.5 feet exposed)
		3. Shale, gray to tan, thin-bedded, soft; contains limy nodules 2.0 2. Limestone gray, weathers tan, platy, silty	0.2
		1. Shale light tannish-gray, nodular to thin-bedded and platy	exposed 1.3

(17) SW NW sec. 11, T. 26 S., R. 8 E., Greenwood County, Kansas. In Sallyards oil field.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone
		Sallyards limestone member Roca shale
		8. Shale, not studied in detail, measured along highway one-half mile east	10.9
	Red Eagle limestone (11.4 feet)
		Howe limestone member
		7. Limestone, light-gray, banded; spergenite of abundant algal material, small snails, ostracodes, echinoid spines; sparse Composita and Aviculopecten-like clams	0.8-1.0
		Bennett shale member (9.3 feet)
		6. Limestone, yellow-brown, silty	0.3-1.4
		5. Shale, gray, weathers tan, calcareous	2.0
		4. Shale, light-gray, some shaly and silty limestone in middle part; stony bryozoans, echinoid fragments, corals, Chonetes, and Composita	5.9
		Glenrock limestone member
		3. Limestone, light-gray, hard, massive; large and small fusulinids, echinoderm fragments, bryozoans, Hustedia, Ambocoelia, and Wellerella	1.0-1.1
	Johnson shale (3.5 feet exposed)
		2. Shale, dark olive-gray to tan, blocky	0.5
		1. Shale, gray and brown mottled; contains small soft limy nodules; thin-bedded to blocky	exposed 3.0

(18) NE SW sec. 30, T. 27 S., R. 9 E., Greenwood County, Kansas. About 1 mile north and 5 miles east of Beaumont.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (11.5 feet exposed)
		Bennett shale member (8.7 feet exposed)
		5. Limestone, light- to brownish-gray, hard, massive, brecciated in middle part; contains sparse gray chert; brachiopods, crinoid fragments; abundant fusulinids in lower and upper parts	exposed 8.0
		4. Limestone, gray; red-brown fragments of Orbiculoidea, sparse echinoderm and brachiopod fragments, and abundant fusulinids	0.6
		3. Shale, gray to brown; sparse Orbiculoidea	0.1
		Glenrock limestone member
		2. Limestone, light-gray, weathers light-gray to light yellowish-tan, locally massive, locally slabby, cherty; abundant fusulinids, sparse echinoderm and brachiopod fragments	2.8
	Johnson shale
		1. Shale, largely covered to a cherty zone in Foraker limestone	11.4

(19) W2 sec. 3, T. 31 S., R. 8 E., Cowley and Elk Counties, Kansas. In creek bank and Santa Fe Railway cut. Measured by George J. Verville.			Thickness, feet
PERMIAN--Wolfcampian
	Grenola limestone
		Sallyards limestone member
		6. Limestone, dark-gray, platy to irregular-bedded, coarsely crystalline; pelecypods common	4.0
	Roca shale
		5. Shale, red, green at top and base; contains numerous knoblike algal growths in upper part	14.7
	Red Eagle limestone (19.6 feet)
		Howe limestone member
		4. Limestone, buff, chalky, sugary texture, massive, many small foraminifers and gastropods	2.5
		Bennett shale member (16.9 feet)
		3. Limestone, gray, weathers gray to buff, coarsely crystalline; massive to thin irregular beds; lower part somewhat nodular; jointed	16.6
		2. Shale, gray, silty to mealy; contains red-brown fragments of Orbiculoidea	0.3
		Glenrock limestone member
		1. Limestone, gray, silty, nodular; fusulinids	0.2

(20) Sec. 21, T. 32 S., R. 8 E., Cowley County, Kansas. Cut on Kansas highway 38.			Thickness, feet
PERMIAN--Wolfcampian
	Red Eagle limestone (20.7 feet exposed)
		Howe limestone member
		27. Limestone, speckled gray, tan, and brown; spergenite of shell fragments, ostracodes, bryozoans, gastropods, echinoid fragments, fusulinids	exposed 2.8
		Bennett shale member (17.4 feet)
		26. Limestone, tannish-gray, uniformly fine-grained	6.4
		25. Limestone, light- to medium-gray, dark-brown fossil molds, massive, hard, part brecciated; sparse bryozoans, fusulinids, ostracodes, foraminifers, abundant brachiopods and echinoderm fragments	5.1
		24. Shale, gray	0.1
		23. Limestone, gray, hard, fine to medium crystalline; sparse bryozoans, abundant brachiopod and echinoderm fragments	3.8
		22. Shale, tan to gray	0.2
		21. Limestone, medium-gray; brachiopods	1.0
		20. Limestone, medium-gray, hard, crystalline	0.6
		19. Shale, gray to nearly black, very thin-bedded; small fusulinids and red-brown fragments of Orbiculoidea	0.2
		Glenrock limestone member
		18. Limestone, grades laterally into limestone nodules interbedded with shale; contains a few glauconite grains; sparse echinoderm fragments, very small fusulinids, ostracodes, gastropods, foraminifers, and brachiopods	0.5
	Johnson shale (30.3 feet)
		17. Shale, light-gray and tan, underclaylike	0.4
		16. Shale, gray, thin-bedded; nodular to limy siltstone interbedded with tannish-gray to dark-gray thin-bedded shale; upper part contains bryozoans, crinoid fragments, Nucula and other clams, sparse snails, Ambocoelia, Chonetes, abundant Linoproductus and Juresania, and abundant ostracodes	4.6
		15. Siltstone, light-gray, weathers creamy gray	0.1
		14. Conglomerate, shale and limestone pebbles	0.3
		13. Shale, olive and tan; contains carbonized plant fragments	averages 0.2
		12. Limestone, "boxwork," yellow-brown and greenish, grading laterally into gray siltstone	0.4-1.0
		11. Shale, olive and tan, upper part blocky with small white limy nodules, lower part thin-bedded	3.6
grades into
		10. Shale, olive and tan	4.5
		9. Shale, maroon in upper part, green in lower, blocky	2.9
		8. Mudstone, greenish-gray, weathers into small nodules	1.1
		7. Limestone, pinkish-gray, hard, dense, sublithographic; contains small veins of clear calcite and green clay; tiny snails	0.7
		6. Shale, gray to olive, dark-green in lower part, blocky	2.7
		5. Limestone, gray to light-tan, weathers deep golden-brown; tiny snails and clams	1.2
		4. Siltstone, light-gray to light-cream, limy, and light-gray limy shale; Nucula, and other clams, and snails	1.4
		3. Siltstone, gray to tan, weathers cream to tan	2.2
		2. Shale, yellowish-brown to gray, upper part clayey; contains abundant limy nodules in lower part	3.4
	Foraker limestone
		Long Creek limestone member
		1. Limestone, light- to medium-gray, weathers yellowish-brown, fine-grained, massive, hard, fossiliferous; contains sparse gray to black chert nodules	exposed 3.6

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Kansas Geological Survey, Geology
Placed on web July 14, 2006; originally published Dec. 31, 1952.
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