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Geology and Ground-water Resources of the North Fork Solomon River

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Logs of Test holes and Wells

The logs of 117 test holes and water wells in the North Solomon Valley are given on the following pages. Fifty-five of these are sample logs of test holes drilled by the State Geological Survey in May 1946, 19 are of test holes drilled by the U. S. Bureau of Reclamation and Corps of Engineers along the axis of the proposed Kirwin dam, and 43 are of test holes and wells drilled by private drillers. The samples of test holes drilled by the Geological Survey were collected and studied in the field by J. B. Cooper and were studied in the office by me. Water-level measurements are in feet below land-surface datum.

T. 4 S. || T. 5 S. || T. 6 and 7 S.

5-13-25bb. Sample log of test hole in NW NW sec. 25, T. 5 S., R. 13 W., Smith County, 12 feet east and 50 feet south of center of crossroads. Surface altitude, 1,611.3 feet. Water level, 19.6 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, loose, sandy, black (soil) 2 2
Silt, compact, sandy, noncalcareous, gray to tan 3 5
Silt, fairly soft, noncalcareous, brown and tan 3 8
Silt, compact, cream to buff; contains caliche and chalk gravel 3 11
Gravel, fine to coarse, chalk 5 16
Silt, fairly soft, sandy, brown 3 19
Silt, fairly soft, tan to gray; contains small amount of sand and chalk gravel 2 21
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, light gray-blue, small amount is cream-colored and iron-stained 5 26
Shale, plastic, noncalcareous, gray-blue and iron-stained 4 30

5-13-25bc. Sample log of test hole in SW NW sec. 25, T. 5 S., R. 13 W., Smith County, 12 feet east of middle of road, and 0.3 mile north of intersection of section road with Kansas Highway 9. Surface altitude, 1,588.7 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, soft, slightly sandy, brown (soil) 2 2
Silt, soft, tan; contains small amount sand and caliche 3 5
Silt, very loose, calcareous, sandy, light-buff 9 14
Silt, medium compact, plastic, calcareous, buff to tan 9 23
Silt, soft, light-buff; contains much very fine to medium sand 7 30
Sand, very fine to medium; contains some soft tan-buff silt, and a few small snail shells 14 44
Sand, very fine to coarse, and tan-buff silt; contains chalk and quartz gravel 10 54
Sand, fine to coarse, and some fine to medium chalk and igneous gravel 5 59
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, noncalcareous, dark gray-blue, some iron-stained 1 60

5-13-25cc. Sample log of test hole in the SW SW sec. 25, T. 5 S., R. 13 W., Smith County, 25 feet east of center of road, and 0.1 mile north of road intersection. Surface altitude, 1,570.1 feet. Water level, 32.6 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, soft, dark gray-brown (soil) 5 5
Silt, very loose, tan and brown; contains a small amount of chalk sand 14 19
Silt, soft, tan; contains caliche 9 28
Sand and gravel, worn chalk fragments, from fine sand to medium gravel; contains small amount of tan silt 16 44
Sand, very fine to coarse, quartz and coarse chalk, and fine to medium chalk gravel; contains shale fragments 4 48
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, plastic, noncalcareous, dark-gray 2 50

5-13-36bc. Sample log of test hole in the SW NW sec. 36, T. 5 S., R. 13 W., Smith County, 10 feet east of center of road and 0.3 mile south of road intersection. Surface altitude, 1,550.4 feet. Water level 26.1 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, compact, slightly sandy, dark-brown (soil) 3 3
Silt, slightly coarse, tan; contains sand 8 11
Silt, medium loose, light gray-tan; contains small amount of sand 4 15
Silt, compact, slightly sandy, dark-tan 3 18
Silt, loose, tan, and very fine to coarse sand; contains fine gravel 8 26
Sand, very fine to coarse; contains small amount of silt and fine to coarse chalk gravel 11.5 37.5
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, clayey, noncalcareous, light- to dark-gray, some iron-stained 2.5 40

5-13-36cc. Sample log of test hole in the SW SW sec. 36, T. 5 S., R. 13 W., Smith County, 6 feet east of center of farm road, 0.8 mile south of road intersection. Surface altitude, 1,525.0 feet. Water level, 13.3 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Alluvium (Recent)    
Silt, loose, brown, and very fine to medium sand 5 5
Sand, very fine to coarse, tan; contains small amount of fine to medium gravel 10 15
Sand, very fine to coarse; contains small amount of fine to coarse quartz, feldspar, and angular chalk gravel and shale fragments 5 20
Sand, very fine to medium, gray-green; contains small amount of coarse sand, fine gravel and wood fragments 25 45
Cretaceous--Gulfian    
Carlile shale--Fairport chalky shale member    
Shale, plastic to silty, calcareous, dark gray-black 5 50

5-14-1ca2. Driller's log of Smith Center well 8 (Fig. 14) in the NE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled by Layne-Western Co., 1940. Water level, 43 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil, sandy, light 3 3
Soil, black 6 9
Silt, fine, yellow, and sand 7 16
Sand, fine; contains silt 17 33
Clay, sandy 22 55
Sand and gravel 10 65
Sand, coarse, and gravel 4 69
Clay and small boulders 1 70
Cretaceous--Gulfian    
Carlile shale    
Shale, black    

5-14-1ca3. Driller's log of test hole 2 (Fig. 14) in the NE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt and soil 10 10
Clay 20 30

5-14-1ca4. Driller's log of test hole 11 (Fig. 14) in the NE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 44 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 42 43
Sand, fine; contains clay streaks 5 48
Sand, fine, mucky, blue 5 53
Sand, fine; contains clay streaks 10 63
Sand, coarse to medium, gravel; contains clay balls throughout 9 72
Cretaceous--Gulfian    
Carlile shale    
Shale 1 73

5-14-1ca5. Driller's log of test hole 12 (Fig. 14) in the NE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 34 35
Clay, blue 11 46
Sand, fine 3 49
Sand, medium to coarse 2 51
Clay, blue 4 55
Sand, coarse, gravel, and small fragments of hard shale 5 60
Sand, coarse; contains gravel 6 66
Cretaceous--Gulfian    
Carlile shale    
Shale 2 68

5-14-1ca6. Driller's log of test hole 13 (Fig. 14) in the NE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Clay 25 25
Sand, fine; contains many clay streaks 8 33
Clay, sandy, blue 6 39
Sand, fine 6 45
Clay, soft, blue 10 55
Clay; contains sand and gravel 3 58
Sand and gravel 4 62
Cretaceous--Gulfian    
Carlile shale    
Shale 3 65

5-14-1cb. Driller's log of test hole 9 (Fig. 14) in the NW SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 10 11
Sand, fine, brown, contains clay streaks 16 27
Sand, fine, mucky, blue 8 35
Clay, blue 12 47
Sand, medium to coarse; contains clay streaks 3 50
Sand, medium to coarse, and gravel 5 55
Clay, soft, blue 2 57
Sand, gravel, and clay balls 2 59
Cretaceous--Gulfian    
Carlile shale    
Shale 4 63

5-14-1cc1. Driller's log of test hole 3 (Fig. 14) in the SW SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Water level, 26 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Clay 8 8
Clay, sandy 7 15
Sand, medium to coarse 8 23
Sand and gravel 2 25
Clay, sandy 28 53
Sand, coarse 2 55
Clay, sandy 4 59
Cretaceous--Gulfian    
Carlile shale    
Shale 1 60

5-14-1cc2. Driller's log of test hole 4 (Fig. 14) in the SW SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Water level, 13 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 8 8
Sand, fine 5 13
Clay 2 15
Sand and gravel 11 26
Clay 20 46
Cretaceous--Gulfian    
Shale 2 48

5-14-1cc3. Driller's log of test hole 5 (Fig. 14) in the SW SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Water level, 15 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 4 4
Clay, sandy 6 10
Sand, very fine, dirty 18 28
Sand, coarse; contains gravel 4 32
Clay 3 35
Sand, coarse; contains gravel 5 40
Cretaceous--Gulfian    
Carlile shale    
Shale 3 43

5-14-1cd2. Driller's log of test hole 1 and Smith Center well 2 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled by Layne-Western Co., 1940. Water level, 33.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil, sandy 10 10
Sandy, fine, silty 10 20
Sand, fine, sharp 9 29
Clay 14 43
Sand, coarse 2 45
Sand, fine 3 48
Sand, coarse; contains gravel 5 53
Sand and gravel 10 63
Cretaceous--Gulfian    
Carlile shale    
Shale 5 68

5-14-1cd3. Driller's log of test hole 2 (Fig. 14) in the SE SW sec 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Water level, 80 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil, sandy 8 8
Sand, fine 15 23
Clay, sandy 5 28
Clay, blue 5 33
Clay, sandy 26 59
Cretaceous--Gulfian    
Carlile shale    
Shale 1 60

5-14-1cd4. Driller's log of test hole 6 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Water level, 37 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 6 6
Clay 14 20
Sand, fine 13 33
Clay 12 45
Sand, fine, dirty 8 53
Sand, coarse 2 55
Sand and gravel 12 67
Cretaceous--Gulfian    
Carlile shale    
Shale 1 68

5-14-1cd5. Driller's log of test hole 7 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Water level, 88 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 4 4
Clay 11 15
Sand, fine 18 33
Clay 15 48
Sand, fine, dirty 5 53
Sand, coarse 2 55
Sand, medium to coarse; contains clay balls 3 58
Sand and gravel 7 65
Cretaceous--Gulfian    
Carlile shale    
Shale 3 68

5-15-1cd6. Driller's log of test hole 8 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1940. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Clay 8 8
Clay, sandy 10 18
Sand, fine 18 36
Clay, sandy, blue 20 56
Sand, coarse 2 58
Sand and gravel 9 67
Cretaceous--Gulfian    
Carlile shale    
Shale 1 68

5-14-1cd7. Driller's log of test hole 3 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 81 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 20 21
Sand, fine, mucky 3 24
Sand, fine, brown 7 31
Clay, blue 10 41
Clay, soft, mucky, blue 13 54
Sand, fine, blue 6 60
Sand, medium to coarse; contains gravel 4 64
Cretaceous--Gulfian    
Carlile shale    
Shale, blue 4 68

5-14-1cd8. Driller's log of test hole 4 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 15 16
Clay, soft, sandy 13 29
Sand, fine, brown 5 34
Clay, soft, blue 20 54
Sand, fine, dirty 1 55
Sand, medium to coarse, loose, clean 3 58
Sand, medium to coarse 2 60
Sand and gravel 5 65
Cretaceous--Gulfian    
Carlile shale    
Shale 2 67

5-14-1cd9. Driller's log of test hole 5 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 33 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay, black 10 11
Clay, brown 17 28
Sand, fine, dirty; contains clay streaks 7 35
Clay, blue 25 60
Sand, fine to medium, and gravel 6 66
Cretaceous--Gulfian    
Carlile shale 2 68

5-14-1cd10. Driller's log of test hole 6 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 31 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay, black 12 13
Clay, brown 15 28
Sand, fine, brown 4 32
Clay, blue 13 45
Clay, sandy, soft 8 53
Sand, fine; contains clay streaks 5 58
Sand, coarse, and loose gravel 5 63
Sand, boulders, and clay 2 65
Cretaceous--Gulfian    
Carlile shale    
Shale 3 68

5-14-1cd11. Driller's log of test hole 7 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 19 20
Sand, fine, dirty; contains clay streaks 14 34
Clay, soft, blue 16 50
Sand, fine; contains clay 3 53
Sand, medium to coarse, loose 2 55
Sand, coarse, and gravel, loose 5 60
Sand, medium to coarse; contains clay balls 4 64
Cretaceous--Gulfian    
Carlile shale    
Shale 2 66

5-14-1cd12. Driller's log of test hole 8 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 41 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay, soft, brown 39 40
Clay, blue 8 48
Clay, soft, mucky, blue 3 51
Clay, soft, blue 16 67
Sand, fine, gray 6 73
Sand, coarse, and gravel 2 75
Gravel, boulders, and clay balls 1 76
Cretaceous--Gulfian    
Carlile shale    
Shale 2 78

5-14-1cd13. Driller's log of test hole 10 (Fig. 14) in the SE SW sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 36.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 29 30
Sand, fine, mucky; contains soft streaks of clay 8 38
Clay, soft, blue 15 53
Clay and sand 5 58
Sand, medium to coarse 2 60
Sand, gravel, and small flat boulders 6 66
Sand and gravel; contains shale streaks 2 68
Cretaceous--Gulfian    
Carlile shale    
Shale 5 73

5-14-1db. Driller's log of test hole 1 (Fig. 14) in the NW SE sec. 1, T. 5 S., R. 14 W., Smith County; drilled for the city of Smith Center by Layne-Western Co., 1945. Water level, 44 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Soil 1 1
Clay 27 28
Clay; contains soft white rock 2 30
Clay, soft, yellow 8 38
Clay, soft, sandy 7 45
Muck, blue 4 49
Sand, very fine, dirty, blue 2 51
Clay, blue 7 58
Sand, medium to coarse; contains clay streaks 2 60
Sand and gravel; contains fine sand and a few small flat boulders 8 68
Sand and gravel 4 72
Cretaceous--Gulfian    
Carlile shale    
Shale, blue 6 78

5-14-6aa. Sample log of test hole in NE NE sec. 6, T. 5 S., R. 14 W., Smith County, 12 feet west of center of road and 0.15 mile south of crossroads at southeast corner of Cedar. Surface altitude, 1,625.7 feet. Water level, 15.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, loose, sandy, dark-brown (soil) 5 5
Silt, compact, slightly sandy, gray 3 8
Silt, slightly sandy, light-tan, slightly iron-stained 12 20
Silt, fairly soft, gray, fine to coarse quartz sand (fossil soil) 5 25
Sand, fine to coarse, quartz, tan; contains small amount fine to coarse gravel 3 28
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, noncalcareous, plastic, dark blue-gray 2 30

5-14-6ad. Sample log of test hole at SE cor. NE sec. 6, T. 5 S., R. 14 W., Smith County, 10 feet west of center of road and 0.5 mile south of road intersection at Cedar. Surface altitude, 1,627.7 feet. Water level, 25.2 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, soft, sandy, gray-tan (soil) 5 5
Silt, soft, light-tan; contains a very small amount of sand 16 21
Sand, very fine to fine; contains small amount medium to coarse sand and chalk, quartz, and granitic gravel 10 31
Silt, rusty brown to brown; contains fine to coarse sand, angular fragments of hard, calcareous gray shale 1 32
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, plastic, noncalcareous, dark gray-black 8 40

5-14-6dd. Sample log of test hole in the SE SE sec. 6, T. 5 S., R. 14 W., Smith County, 10 feet west of center of road and 0.05 mile north of Solomon River bridge. Surface altitude, 1,603.9 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Alluvium (Recent)    
Sand, fine to medium, and loose brown silt 5 5
Sand, very fine to fine, tan; contains small amount loose gray silt and a few small snail shells 12 17
Sand, very fine to coarse, and fine to coarse quartz, granitic, and chalk gravel; contains gray clay balls 6 23
Sand, very fine to coarse, gravelly, gray; contains some soft dark-gray silt 7 30
Silt, compact, soft, dark-gray; contains small amount of sand and fine gravel 5 35
Sand, fine to coarse; contains fine to coarse gravel and shale fragments 15 50
Gravel, fine to medium, quartz and granitic, and fine to coarse sand; contains many greenish gray-white chalk pebbles 3 53
Cretaceous--Gulfian    
Carlile shale--Blue Hill shale member    
Shale, noncalcareous, plastic, dark gray-black 7 60

5-16-3bb. Log of core hole DH-110 in the NW NW sec. 3, T. 5 S., R. 18 W., Phillips County, 50 feet south and 950 feet east of NW cor. sec. 3; drilled by the U. S. Bureau of Reclamation, January 1946. Surface altitude 1,745.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Sanborn formation    
Loam, sandy, brown 7 7
Cretaceous--Gulfian    
Niobrara formation--Fort Hays limestone member    
Chalk, weathered, soft, gray 3 10
Chalk, weathered, soft, yellow 2 12
Chalk, weathered, firm, gray 3 15
Chalk, weathered, soft, yellow 6 21
Chalk, firm, gray 11.2 32.2

5-19-6bb. Sample log of test hole in the NW NW sec. 6, T. 5 S., R. 19 W., Phillips County, 9 feet south and 50 feet east of center of crossroads. Surface altitude, 1,931.6 feet. Water level, 41.2 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Eolian sand, fine to medium, silty, brown 5 5
Terrace deposits    
Silt, medium compact, sandy, gray-tan 5 10
Silt, fairly soft, dark gray-black; contains small amount of fine sand and gravel 5 15
Silt, brown; contains fine to coarse sand and fine to coarse chalk and granitic gravel 5 20
Silt, brown to light-buff; contains sand, gravel, broken shale fragments, and snail shells near base 15 35
Sand, fine to coarse, tan; contains fine to medium gravel and chalky shale fragments 15 50
Sand, fine to coarse, and fine to medium gravel; contains small amount coarse gravel and shale fragments 12 62
Sand, gravel, and broken chalky shale 18 80
Cretaceous--Gulfian    
Niobrara formation--Smoky Hill chalk member    
Shale, soft, fissile, chalky, light- to dark-gray 10 90

5-19-6cc. Sample log of test hole in the SW SW sec. 6, T. 5 S., R. 19 W., Phillips County, 12 feet north of center of road and 0.05 mile east of road intersection. Surface altitude, 1,996.5 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Sanborn formation    
Silt, loose, sandy, brown (soil) 2 2
Silt, fairly loose, slightly sandy, tan and gray-brown 8 10
Silt, soft, slightly sandy, gray-brown; contains snail shells 8 18
Cretaceous--Gulfian    
Niobrara formation--Smoky Hill chalk member    
Shale, medium compact, chalky, gray, creamy 2 20
Shale, fissile, light-gray to buff, and soft chalky light-gray shale 4 24
Shale, soft, medium plastic, chalky, light-gray with small amount of buff 3.5 27.5
Shale, soft, plastic, chalky; contains fragments of shells and selenite crystals .5 28
Shale, fissile, soft, dark gray-black; contains few selenite crystals and shells 2 30

5-20-1aa. Sample log of test hole in the NE NE sec. 1, T. 5 S., R. 20 W., Phillips County, 12 feet west of center of road and 0.05 mile south of road intersection. Surface altitude, 1,931.6 feet. Water level, 21.1 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Terrace deposits    
Silt, sandy, brown (soil) 4 4
Silt, medium compact, sandy, gray-tan 2 6
Silt, soft, dark-brown; contains sand and chalk fragments 3 9
Silt, fairly compact, slightly sandy, tan and dark-brown 8 17
Sand, fine to coarse; contains small amount of fine to coarse gravel and chalk fragments 12 29
Silt, soft, dark-brown and tan, and fine to coarse sand; contains gravel and chalk pebbles 11 40
Sand, fine to coarse; contains small amount fine to coarse gravel and gray silt 20 60
Sand, fine to coarse; contains small amount of fine to coarse chalk, quartz, and granitic gravel, gray-green at base 19.5 79.5
Cretaceous--Gulfian    
Niobrara formation--Smoky Hill chalk member    
Shale, fissile, chalky, light-gray to dark .5 80

5-20-1ad. Sample log of test hole in the SE NE sec. 1, T. 5 S., R. 20 W., Phillips County, 10 feet west of center of road and 0.37 mile south of road intersection. Surface altitude, 1,949.2 feet. Water level, 38.0 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Sanborn formation    
Silt, dark-gray, and fine to coarse sand 1 1
Silt, soft, dark-gray, and very fine to coarse quartz sand; contains gravel and few small chalk fragments 6 7
Silt, soft, gray-tan, and very fine to coarse quartz sand; contains gravel and fragments of chalk and shale 6 13
Sand, fine to coarse; contains fine to medium limestone, quartz, and granitic gravel 3 16
Sand, fine to coarse; contains soft tan silt and gravel 12 28
Sand, very fine to coarse; contains small amount granitic gravel, and some gray silt 14 42
Silt, medium plastic, soft, light to dark blue-gray, and fine to coarse gray sand 4 46
Sand, very fine to coarse, gravelly, gray-green; contains small amount gray silt 5.5 51.5
Cretaceous--Gulfian    
Niobrara formation--Smoky Hill chalk member    
Shale, hard, fissile, chalky, dark-gray; contains bentonite 3.5 55

5-20-1da. Sample log of test hole in the NE SE sec. 1, T. 5 S., R. 20 W., Phillips County, 10 feet west of center of road and 0.7 mile south of road intersection. Surface altitude, 1,989.6 feet. Thickness,
feet
Depth,
feet
Quaternary--Pleistocene    
Sanborn formation    
Silt, loose, sandy, brown to tan (soil) 2 2
Silt, fine, sandy, gray-tan; contains limestone fragments 9 11
Sand, very fine to coarse, gravelly, light-tan 4 15
Cretaceous--Gulfian    
Niobrara formation--Smoky Hill chalk member    
Shale, fissile, soft to medium compact, chalky, light-gray to light-yellow 5 20

T. 4 S. || T. 5 S. || T. 6 and 7 S.


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Kansas Geological Survey, Geology
Placed on web May 24, 2014; originally published November 1952.
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