|
Unit No. |
Description |
Thickness |
|
Sterns shale formation
|
|
11
|
Mudstone, white, slabby, with pelecypods, Orbiculoidea and Lingula
|
2.5 ft.
|
|
Beattie limestone formation
|
|
10
|
Limestone, gray, with Allorisma and Derbyia
|
1.3 ft.
|
9
|
Limestone, gray, with Composita, Derbyia, and crinoid joints
|
2 ft.
|
|
Florence shale member
|
|
8
|
Shale, calcareous, especially near the base, with Composita, Chonetes, Dictyoclostus, Pinna, and bryozoa
|
2.8 ft.
|
|
Cottonwood limestone member
|
|
7
|
Limestone, massive, full of fusulinids, with flint nodules in lower part
|
2.5 ft.
|
6
|
Limestone, massive
|
1 ft.
|
5
|
Limestone, slabby
|
1.5 ft.
|
4
|
Mudstone, splittery
|
1 ft.
|
|
Eskridge shale formation
|
|
3
|
Covered
|
22 ft.
|
2
|
Shale, cheifly maroon
|
12 ft.
|
|
Neva limestone formation
|
|
1
|
Limestone, slabby
|
3.5 ft.
|
|