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Chase County

Sec. 8, T. 20 S., R. 8 E
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2.5 miles south of Cottonwood Falls on US 177, west in pasture ditch
Measured By Jewett, O'Connor & Parks, 8/7/1947
Unit No. Description Thickness
1 Limestone - white; finely porous; cherty fossil fragments 4 ft.
2 Limestone - white; finely porous; cherty zone near base; fossil fragments; lwer 0.5 ft. has fusulines and brachiopods 2.6 ft.
3 Shale - buff grading downward to green at base; upper 0.5 ft. of buff shale has Chonetes, crinoids, Derbya; thin-bedded 7.5 ft.
4 Shale - red; blocky 1.35 ft.
5 Covered 10.05 ft.
6 Limestone - light gray; weathers brown; fine even-grained; somewhat platy 0.8 ft.
7 Covered - (including unit 6) 1.75 ft.
8 Limestone - mottled gray; slabby; finely silty or sandy 0.5 ft.
9 Covered - (including unit 8) 0.9 ft.
10 Limestone - gray; partly crystalline; weathers gray; clams and high-spired snails, fossil fragments; clams weather rusty 1.1 ft.
11 Limestone - gray, stained rusty by included high snails and clams which are abundant 0.8 ft.
12 Covered 1.6 ft.
13 Shale - brown; blocky; clayey 2.0 ft.
14 Covered 1.05 ft.
15 Shale - brown to buff; thin-bedded 2.9 ft.
16 Limestone - buff to gray; partly crystalline fossils; shaly; has Derbya, clams, fossil fragments in upper 0.2 ft.; lower part is gray and buff; has fine-grained limestone pebbles throughout; snails and fossil fragments 0.6 ft.
17 Shale - buff to olive; platy to blocky; upper 0.2 ft. is harder, lower part more clayey 10.85 ft.
18 Limestone - gray; hard; dense 0.1 ft.
19 Shale - buff 0.6 ft.
20 Limestone - gray; dense crystalline; full of crystalline shells; high snails and a few pebbles of light gray dense limestone; clam crust on top 1 ft.
21 Covered 2.65 ft.
22 Shale - red; blocky; clayey 1.85 ft.
23 Covered 0.1 ft.
24 Shale - green; clayey (including unit 23) 2.75 ft.
25 Limestone - dark buff; wormeaten; impure 0.9 ft.
26 Limestone - greenish-yellow; with dendrites 0.5 ft.
27 Shale - buff; thin-bedded 1.65 ft.
28 Shale - buff and graymottled; platy 1.5 ft.
29 Limestone - buff to gray; silicified brachipods in top as a very thin crust; clams, snails and crystalline fragments which weather brown 1 ft.
30 Limestone - buff to gray; profuse high-spired snails, also clams, Derbya 0.9 ft.

Original Document

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