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Riley and Geary County Geology

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Detailed Sections, continued

(16) Sec. 6, T. 7 S., R. 5 E.

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Doyle shale Feet
Holmesville shale member (10.5 feet exposed)
Limestone, yellow crystalline, thin beds 1.5
Shale, gray, some green and red 9
Barneston limestone
Fort Riley limestone member (44.2 feet exposed)
Limestone, yellow and brown, nodular, arenaceous 5
Shale, blue and gray 2.5
Limestone, nearly white, tough 0.6
Shale, light in color, calcareous, platy 2.6
Limestone, yellow arenaceous-appearing 2
Limestone, yellow arenaceous-appearing, weathers to pitted surface, massive in upper part, thin beds in lower part 4.5
Limestone, granular hard 1
Limestone, platy, may be some shale near top 10
Limestone, light in color, weathers to pitted surface, "rim rock" 5
Shale, gray 4
Limestone, thin beds 7

(17) NW sec. 8, T. 7 S., R. 5 E.

Doyle shale Feet
Towanda limestone member
Limestone, poorly exposed ?
Holmesville shale member (42 feet +)
Shale, gray 6
Limestone, light in color 0.5 to 1
Shale, gray, not well exposed 5
Shale, brown calcareous 1
Shale, gray 2
Limestone, white soft 0.5 to 0.6
Shale, red, gray, and green 27
Barneston limestone
Fort Riley limestone member (12.5 feet exposed)
Limestone, yellow, shaly near top, thin beds 10
Shale, yellow 0.5
Limestone, impure, beds about 0,5 feet thick 2

(18) NE sec. 19, T. 7 S., R. 5 E.

Winfield limestone (12.7 feet exposed) Feet
Cresswell limestone member
Limestone, thin-bedded to massive, somewhat chalky 2
Grant shale member
Shale, gray 10
Stovall limestone member
Limestone, shaly broken, nodules of blue flint in middle part 0.7

(19) NW sec. 28, T. 7 S., R. 5 E.

Nolans limestone (10.5 feet exposed) Feet
Herington limestone member
Limestone, gray to brown, sandy-appearing, massive 2±
Paddock shale member
Shale, gray, calcite in strata and veins (Total thickness of member shown here probably is too small, owing to slumping) 8±
Krider limestone member
Limestone, gray hard crystalline 0.5±
Odell shale
Shale, red and gray 15

(20) NW sec. 31, T. 7 S, R. 5 E.

NoIans limestone (14.6 feet exposed) Feet
Herington limestone member
Limestone, light in color, weathers porous 3
Paddock shale member
Shale, mostly gray clayey, blocky layers in lower part 11
Krider limestone member
Limestone, nodular, yellow to gray 0.6
Odell shale (42 feet exposed)
Shale, gray 6
Shale, mostly red 36

(21) Sec. 32, T. 7 S., R. 5 E.

Nolans limestone (15.6 feet exposed) Feet
Herington limestone member
Limestone, yellow, arenaceous-appearing, massive, few geodes 3
Paddock shale member
Shale, gray, arenaceous near top 12
Krider limestone member
Limestone, gray, hard crystalline 0.6
Odell shale (40 feet)
Shale, gray 4
Shale, red and gray 6
Covered interval 30
Winfield limestone
Luta(?) and Cresswell limestone members (7 feet exposed)
Limestone, weathers yellow, massive, concretionary 3
Limestone, yellow, simulates a very-fine-grained sandstone 4

(22) C S sec. 17, T. 7 S, R. 6 E.

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Winfield limestone Feet
Stovall limestone member
Limestone, gray flinty 1
Doyle shale (85 feet)
Gage shale member
Shale, gray and yellow, thin beds, myriadsof fossils near top, red and green below, covered near base 49
Towanda limestone member
Limestone, yellow, mostly covered 11
Holmesville shale member
Covered interval 25
Barneston limestone
Fort Riley limestone member (22 feet exposed)
Limestone, yellow arenaceous-appearing, calcite-filled geodes 6
Shale, yellow near top, gray below, very platy 9.5
Limestone, light in color, thin beds 3.5
Limestone, yellow massive, weathers to pitted surfaces 3

(23) Sec. 19, T. 7 S., R. 6 E.

Barneston limestone Feet
Fort Riley limestone member (12.6 feet exposed)
Limestone, or calcareous shale, almost white, platy 2
Limestone, yellow on fracture, weathers gray 1.5
Limestone, similar to unit above, more massive 1.5
Limestone, similar to unit above, thinner beds 1.2
Limestone, massive 1.4
Limestone, shaly in middle part, fossiliferous 5

(24) Sec. 20, T. 7 S., R. 6 E.

Winfield limestone Feet
Stovall limestone member
Limestone, flinty 1 ±
Doyle shale (85 feet)
Gage shale member (49 feet)
Shale, yellow and gray, myriads of Derbyia and other fossils 5 ±
Shale, red and green, mostly covered 44
Towanda limestone member
Limestone, mostly covered 11 ±
Holmesville shale member
Shale, covered 25 ±
Barneston limestone
Fort Riley limestone member
Limestone (top of member exposed)  

(25) SE 1/4 sec. 30, T. 7 S., R. 6 E.

Nolans limestone (15 feet exposed) Feet
Herington limestone member
Limestone, yellow arenaceous-appearing 2
Paddock shale member
Shale, gray, mostly covered 12
Krider limestone member
Limestone, yellow, in thin beds 1
Odell shale (40.5 feet)
Shale, yellow 3
Shale, gray 1.5
Shale, red 3
Shale, covered 33
Winfield limestone (14.5 feet + exposed)
Luta(?) and Cresswell limestone members
Limestone, covered ?
Limestone, light in color, rough-weathering, breaks down readily 1.5
Grant shale member (11.5 feet)
Shale, covered 5
Shale, gray fossiliferous 6.5
Stovall limestone member
Limestone, gray flinty, echinoid spines, Rhombopora sp., and Linoproductus sp. 1.5

(26) C S line sec. 31, T. 7 S., R. 6 E.

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Nolans limestone (16.1 feet exposed) Feet
Herington limestone member
Limestone, gray, slightly flinty, weathers gray and brown, few calcite geodes, hard and granular in upper part 6
Paddock shale member
Shale, containing nodular fossiliferous zone in the upper part, mostly gray, some green near upper part, sparse carbonaceous matter 8
Krider limestone member (2.1 feet)
Shale, yellow calcareous 1
Limestone, yellow arenaceous-appeanng, in thin beds 1.1
Odell shale
Shale, gray and green in upper part, mostly red, blocky, lower 5 feet covered 23
Winfield limestone (22.15 feet)
Luta(?) and Cresswell limestone members (13.75 feet)
Limestone, hard 0.7
Limestone, shaly, weathered 2
Shale, yellow 5
Limestone, yellow, very shaly 2
Limestone, yellow massive 2.5
Limestone, gray, weathers somewhat brown, echinoid spines and other fragments of fossils project on rough surface 1.55
Grant shale member
Shale, gray, Derbyia crassa abundant 9.5
Stovall limestone member
Limestone, light-yellow; dark-gray mottled, dark part partly silicified, small amount of flint 0.9
Gage shale
Shale, yellow and gray, myriads of fossils 5

(27) Sec. 34, T. 7 S, R. 6 E.

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Winfield limestone (102 feet exposed) Feet
Cresswell limestone member
Limestone, gray, weathers rough, massive 1.4
Grant shale member
Shale, yellow, partly gray, Derbyia crassa, Rhombopora sp., crinoid columnals 8
Stovall limestone member
Limestone, bluish-gray flinty, breaks readily, silicified fossils 0.8
Gage shale
Shale, yellow, echinoid spines, pelecypods, crinoid columnals 5

(28) C S SE sec. 1, T. 8 S., R. 5 E.

Nolans limestone (18.9 feet exposed) Feet
Herington limestone member (6.4 feet exposed)
Limestone, yellow nodular 0.2
Limestone, yellow massive 2.1
Limestone and shale; limestone, blocks 1.3
Shale, calcareous 0.6
Limestone, impure 0.4
Shale 0.2
Shale, calcareous 0.4
Shale, gray 0.8
Limestone, impure fossiliferous 0.4
Paddock shale member
Shale, gray 11.8
Krider limestone member
Limestone, light-gray, two beds 0.7
Odell shale (23 feet exposed)
Shale, gray 3
Shale, mostly red 20

(29) C N line sec. 25, T. 8 S., R. 6 E.

Doyle shale (41.6 feet exposed) Feet
Towanda limestone member
Limestone, yellow granular, weathers gray, weathers into blocks less than 1 foot thick 3
Holmesville shale member (38.6 feet)
Shale, mostly grass-covered, some green shale 17
Shale, mostly gray and yellow, some bands of red 10.9
Limestone, brown 0.2
Shale, gray 3
Shale, yellow calcareous 7.5
Barneston limestone
Fort Riley limestone member (15.5 feet exposed)
Limestone, blue shaly 1.5
Limestone, yellow arenaceous, pelecypods as casts 1.5
Limestone and shale; limestone is blue, hard, not well exposed, shale is gray, both in thin beds 7.5
Limestone, yellow granular, massive, thin beds in lower part, weathers with deep pits, springs issue below 5

(30) W line sec. 28, T. 8 S., R. 6 E.

Winfield limestone (21.2 feet exposed) Feet
Cresswell limestone member
Limestone, poorly exposed 8
Grant shale member
Shale, covered 12
Stovall limestone member
Limestone, gray flinty 1.2
Doyle shale (90 feet +)
Gage shale member (50 feet)
Shale, gray fossiliferous, abundant Derbyia sp 11
Shale, covered 39
Towanda limestone member
Limestone, yellowish-brown, massive ?
Holmesville shale member
Shale, covered, in long slope 40
Barneston limestone
Fort Riley limestone member (31 feet exposed)
Limestone, massive, one bed, grades into shale below 2.5
Shale, gray, dark at top, calcareous, carbonaceous near top 4
Shale, yellow 3
Limestone, soft arenaceous-appearing 2
Limestone, massive 1.5
Limestone, massive 4
Covered interval 6
Shale, yellow, thin beds 6.5
Limestone, light gray chalky fossiliferous 1.5

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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/sect02.html