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Wabaunsee County

Sec. 12, T. 12 S., R. 10 E
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1/2 mile N, 1 1/2 mile E of Alma
Measured By M.K. Elias, 1935
Unit No. Description Thickness
31 Limestone, nodular, cavernous (Morrill) 1.5 ft.
30 Shale 3 ft.
29 Boxwork (net of calcareous veins) 1 ft.
28 Shale 4.5 ft.
27 Shale, calcareous with fusulinids 0.5 ft.
  Cottonwood Limestone (units 26-25)  
26 Limestone, massive, with fusulinids and two zones of flint nodules 2.7 ft.
25 Limestone, massive, with 3 zones of flint nodules in the middle, and few scattered small flint nodules at the base. Few Lophophyllum?, crinoid joints. 2.8 ft.
24 Shale, calcareous, Pinna 0.5 ft.
23 Mudstone, banded, with small crinoid joints; upper half algal, worm trails in lower half 1 ft.
22 Shale, green 5 ft.
21 Mudstone, soft, nodular 0.4 ft.
20 Shale, green 1.2 ft.
19 Mudstone, greenish 0.9 ft.
18 Shale, green 2.5 ft.
17 Shale, purple 1.2 ft.
16 Shale, green 0.3 ft.
15 Shale, purple 2 ft.
14 Shale, green 3 ft.
13 Limestone, platy, banded; Pleurophorus 0.8 ft.
12 Shale, green; upper part with interstratified thin calcareous layers; base splittery, calcareous 9.2 ft.
11 Limestone, nodular 0.8 ft.
10 Shale, green, with vertical column-like calcareous (?) infiltrations; calcareous layers at the base 6 ft.
  Neva Limestone (units 9-2)  
9 Limestone, massive, tough 2 ft.
8 Shale 1 ft.
7 Limestone, massive, tough; numerous but poor fragmentary fossils 1 ft.
6 Limestone, massive, somewhat cavernous 5 ft.
5 Shale, calcareous, gray, fusulinids (sample) plentiful in lower part 3.1 ft.
4 Limestone, shaly, fossiliferous 0.4 ft.
3 Shale, calcareous with fusulinids (sample) plentiful at top; Composita, Marginifera scattered 1.5 ft.
2 Limestone, massive, fossils 1.3 ft.
1 Shale, gray, no fossils 3 +/- ft.

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