|
Unit No. |
Description |
Thickness |
14
|
Limestone - light gray, cavern
|
2.5 ft.
|
13
|
Shale - calcareous in part, unfossiliferous
|
13 ft.
|
12
|
Shale - calcareous, with Brachiopods and pelecypods
|
2 ft.
|
11
|
Shale - blue-gray, with numerous bryozoa and brachiopods (Chonetes, Derbya, Juresanis, etc.)
|
2 ft.
|
10
|
Limestone - shaly, with brachiopods and pelecypods
|
2.5 ft.
|
9
|
Shale - greenish, crumbly
|
8 ft.
|
8
|
Mudstone - soft, light gray
|
2 ft.
|
7
|
Shale - gray
|
0.5 ft.
|
6
|
Limestone - algal
|
2 ft.
|
5
|
Shale - calcareous, to shaly limestone, black high-spired gastropods, small pelecypods
|
0.5 ft.
|
4
|
Limestone - brownish-gray, banded in basal part
|
1.8 ft.
|
3
|
Shale - clayey
|
6 ft.
|
2
|
Shale - calcareous, with numerous fossils
|
7 ft.
|
1
|
Cottonwood limestone
|
|
|