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Riley and Geary County Geology

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Detailed Sections, continued

(61) NW sec. 5, T. 11 S, R. 9 E.

Tarkio limestone (12.5 feet exposed) Feet
Limestone, brown granular, thinner beds than in unit below, fusulinids smaller than in unit below 4
Limestone, shaly 2
Limestone, brown massive, giant fusulinids 6.5
Willard shale
Shale, gray, blue when wet, somewhat blocky 25
Elmont limestone
Limestone, dark-blue to gray, brittle, fossils and fossil fragments 2.1
Harveyville shale
Shale, gray 5

(62) S line sec. 6, T. 11 S., R. 9 E.

Tarkio limestone Feet
Limestone, very brown 0.7
Willard shale
Shale, gray and green 20
Elmont limestone
Limestone, dark-blue, calcite crystals, fusulinids 1
Harveyville shale
Shale, gray, to water of Deep creek 2

(63) NE, sec. 6, T. 11 S, R. 9 E.

Dover limestone Feet
Limestone, light in color, weathered into slabs, fusulinids 2
Table Creek shale
Shale greenish-gray, more green in upper part, nodular, calcareous zones near top 16
Maple Hill limestone
Limestone, dark-gray to yellow, granular, calcite crystals, mottled on fresh exposures, small fusulinids 1.4 ±
Pierson Point shale
Shale, partly covered 20
Tarkio limestone
Limestone, brown, giant fusulinids, (top only exposed)  

(64) C sec. 9, T. 11 S, R. 9 E.

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Permian System Feet
Towle shale
Indian Cave sandstone member
Sandstone, gray fine micaceous, covered in road but exposed in weathered condition in cultivated field south of road 12
Carboniferous System, Pennsylvanian Subsystem
French Creek shale
Shale 10 to 15
Jim Creek limestone (4.65 feet)
Limestone, blue to brown, nodular, "Osagia" and cryptozoa 0.55
Shale, yellow 2.5
Limestone or mudstone, soft yellow limonitic 0.1
Limestone, crystalline 0.2
Covered 1
Limestone, blue to gray, hard crystalline, pelecypods 0.3
Dry-Friedrich shale
Covered slope 64
Dover limestone
Limestone, covered  

(65) SE sec. 15, T. 12 S., R. 5 E. (Measured by M. K. Elias)

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Doyle shale (31.1 feet exposed) Feet
Towanda limestone member (9.1 feet exposed)
Limestone, solid, coquina-like to fine conglomerate, cross-bedded 2.5
Limestone, somewhat porous, small Murchisonia 3.8
Shale, calcareous 0.8
Limestone 2
Holmesville shale member (22 feet)
Mudstone, geodiferous in lower half 8
Shale, calcareous 1
Shale, small geodes 0.5
Shale, calcareous, to mudstone 1.5
Limestone, porous, geodes 0.5
Shale, calcareous 0.5
Limestone, in two beds, small geodes 3
Shale, calcareous, Pleurophorus and Aviculopecten, and rod-like impressions 2.5
Shale, calcareous 4.5
Barneston limestone
Fort Riley limestone member (9.0 feet exposed)
Limestone, massive, Derbyia, Meekella, Aviculopecten, and Straparollus 1.8
Limestone, shaly 0.5
Limestone, massive 6.7

(66) C sec. 7, T. 12 S, R. 6 E.

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Doyle shale Feet
Towanda limestone member
Holmesville shale member
Barneston limestone
Covered interval, Towanda limestone at top; upper part of Fort Riley limestone member of Barneston limestone at base 65
Barneston limestone (55 feet exposed)
Fort Riley limestone member (18 feet exposed)
Limestone, thin beds 10
Limestone, "rim rock," massive near top, thinner beds below 8
Oketo shale member(?)
Shale, some limestone 5.5
Florence limestone member (31.5 feet)
Limestone, small amount of flint 2
Shale 1.5
Limestone, flinty 5
Shale 1.5
Limestone, flinty 3
Shale, calcareous 1.5
Limestone, very flinty, limestone and flint in beds, limestone, granular, weathers into pitted blocks; limestone in beds about 0.7 foot thick; flint in bands and nodules 0.1 to 0.5 feet, few fossils 17
Matfield shale (48.6 feet exposed)
Blue Springs shale member (44.6 feet)
Shale, calcareous 1.4
Limestone, impure silty gray 0.5
Shale, gray, chocolate-color, and green, gray near base, fossliferous and calcareous near top 42.7
Kinney limestone member (4 feet)
Limestone, gray dense, fossils as fragments 0.9
Shale, yellow to gray 1.6
Shale, calcareous 1.5
Wymore shale member
Wreford limestone
Speiser shale
Covered slope, part of Blue Rapids shale and Crouse limestone exposed at base  

(67) Sec. 9, T. 12 S, R. 6 E.

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Barneston limestone (70.4 feet exposed) Feet
Fort Riley limestone member (22.2 feet exposed)
Limestone, light in color, thin beds 15
Limestone, massive "rim rock" 4
Shale, yellow 1.6
Limestone, yellow 0.6
Limestone, yellow impure 1
Oketo shale member
Shale, bluish-gray to yellow, calcareous 4
Florence limestone member (44.2 feet)
Limestone, yellow soft, small amount of flint 2.3
Shale, calcareous 1
Limestone, small amount of flint 3
Limestone, much flint 1.4
Shale, fossiliferous 3
Limestone, thin beds near base, flint near base 5
Shale, yellowish-gray 0.8
Limestone, somewhat thin-bedded, flinty 5
Limestone, shaly 1
Limestone, light in color, weathers brown, steel-gray flint 19
Limestone, impure flinty fossiliferous 1.6
Limestone, shaly fossiliferous 1.1
Matfield shale (75 feet)
Blue Springs shale member (26.6 feet)
Shale, yellow and gray, calcareous concretions 3
Shale, varicolored, mostly red and green 23.6
Kinney limestone member (31.4 feet)
Limestone, fossiliferous 0.5
Shale 10.8
Limestone, yellow flaky, pelecypods 0.6
Shale, yellow to gray, fossiliferous 7.5
Shale, gray blocky 1.5
Shale, gray 5.5
Limestone, covered 5
Wymore shale member (17 feet)
Shale, purple near top, red and green 12
Covered interval 5
Wreford limestone (24.3 feet exposed)
Schroyer limestone member (18.3 feet)
Limestone, gray crystalline 0.8
Limestone, flinty, large bryozoa 11
Shale, light-gray, maximum thickness 2
Limestone, yellow to brown, steel-gray flint, shaly near base, productids 4.5
Havensville shale member
Shale, gray, soft and powdery near top, more calcareous near base 6

(68) NE sec. 3, T. 12 S., R. 7 E.

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Barneston limestone Feet
Florence limestone member
Limestone, flinty  
Matfield shale (61.7 feet)
Blue Springs shale member (20 feet)
Shale, yellow, calcareous zones 10
Shale, mostly red, calcareous zones 10
Kinney limestone member (22 feet)
Limestone, chalky, stained red from shale above 2.5
Shale, gray, some red and green, not well exposed 12
Limestone, gray, pelecypods 0.5
Shale, gray 4
Limestone, gray, massive in lower part 3
Wymore shale member (19.7 feet)
Shale, gray, calcareous zones 6
Shale, calcareous 0.1
Shale, mostly gray, small amount of red 6.5
Limestone, gray 0.6
Shale, gray, green, and red 6
Limestone, red, chalky 0.5
Wreford limestone (35.1 feet)
Schroyer limestone member (10.9 feet)
Limestone, abundant flint 5
Shale, light-yellow powdery 1.5
Limestone, yellow, thin beds 0.4
Shale, green nodular 2
Limestone, partly silicified 0.2
Shale, gray calcareous 0.6
Limestone, gray, weathers brown 1.2
Havensville shale member (16 feet)
Shale, gray to yellow, thin limestone in middle part 6
Covered interval 10
Threemile limestone member (82 feet)
Limestone, abundant flint 1
Limestone, light in color, soft, tough, no flint, weathered to pitted surfaces, makes bold outcrop line 2
Limestone, flinty 0.8
Limestone, three bands of flint 1.7
Limestone, yellow impure 0.4
Shale, gray, abundant fossils 0.9
Limestone, light-gray, steel-gray flint 1.4
Speiser shale (15.6 feet)
Shale 0.1
Limestone 0.2
Shale, yellow and gray, many fossils, more abundant in upper part 2.5
Limestone, very persistent over entire area 0.5
Shale, gray, bands of red and green 10.6
Limestone, in thin beds, interbedded with shale 0.7
Shale, green and yellow 1
Funston limestone (15.4 feet)
Limestone, yellow dense 0.6
Shale, few limy zones or limestone beds 14
Limestone, nonresistant to Weathering 0.8
Blue Rapids Shale
Shale, not well exposed, green near top, weathers into gentle slope 11
Crouse limestone
Limestone, not well exposed, brown and platy near top, more massive in lower part 12
Easly Creek shale
Shale, gray, not well exposed 5
Bader limestone (15.3 feet)
Middleburg limestone member
Limestone, gray, some iron rust, massive in lower part, fragments of fossils 1
Hooser shale member (9.8 feet)
Shale, yellow, bands of green 4
Limestone, impure shaly 0.3
Shale, yellow and gray, bands of red 5.5
Eiss limestone member
Limestone, light-gray, in thin beds, weathers lighter in color, upper part slightly limonitic and irregular in mode of weathering 4.5
Stearns shale
Shale, yellow and gray 5

(69) C S line sec. 18, T. 12 S., R. 7 E.

Wreford limestone Feet
Threemile limestone member
Limestone, light in color, massive, small amount of flint 3
Limestone, abundant flint 3.5
Limestone, shaly fossiliferous 0.5
Shale, gray 0.2
Limestone, few thin beds ?
Speiser shale
Funston limestone
Blue Rapids shale
Crouse limestone
Easly Creek shale
Bader limestone
Covered slope, Crouse limestone and Eiss limestone member of Bader limestone partly exposed, latter at base 50

(70) C S line sec. 34, T. 12 S., R. 7 E.

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Wreford limestone Feet
Threemile limestone member (8 feet exposed)
Limestone, flinty 5
Limestone, small amount of flint 3
Speiser shale (15 feet exposed)
Shale, gray fossiliferous 2
Limestone, gray crystalline 1
Shale, red and green 12

(71) E line sec. 33, T. 13 S., R. 7 E.

Doyle shale (27.9 feet exposed) Feet
Towanda limestone member
Limestone, yellow impure, contains some red, green, and yellow shale 5.4
Holmesville shale member
Covered interval, (measurement may be too small because of slumping of Towanda limestone) 22.5
Barneston limestone
Fort Riley limestone member (12.5 feet exposed)
Limestone, somewhat silicified 2
Covered interval 4.5
Limestone, yellow, in thin beds 1
Shale, yellow chalky 5
Limestone, light-yellow, weathers white, massive "rim rock" ?

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Kansas Geological Survey, Geology of Riley and Geary Counties
Web version Nov. 2000. Original publication date Dec. 1941.
Comments to webadmin@kgs.ku.edu
The URL for this page is http://www.kgs.ku.edu/General/Geology/Riley/sect05.html