|
Unit No. |
Description |
Thickness |
25
|
Limestone, weathered, with gastropods, Crania, Meekella, Chonetes, Jursania, Composita, Aviculopedten, Myalina, Allorisma, Edmondia?, Pleurophorus?, Mautiloids, Crinoid joints, Fenestellid, and Stony Bryozoa
|
1 ft.
|
24
|
Shale, yellowish gray
|
3 ft.
|
23
|
Limestone, light gray
|
0.5 ft.
|
22
|
Shale, light gray, fossiliferous
|
2 ft.
|
21
|
Limestone, light gray, fossiliferous
|
2 ft.
|
20
|
Shale, yellowish green-gray
|
2 ft.
|
19
|
Shale, carbonaceous, with plant impressions (collected)
|
1 ft.
|
18
|
Shale yellowish greenish gray
|
1.9 ft.
|
17
|
Limestone, dark gray
|
1 ft.
|
16
|
Shale, yellowish gray
|
1 ft.
|
15
|
Limestone, dark gray
|
0.1 ft.
|
14
|
Shale, yellowish gray
|
0.9 ft.
|
13
|
Limestone
|
0.1 ft.
|
12
|
Shale, green
|
0.9 ft.
|
11
|
Shale, calcareous
|
1 ft.
|
10
|
Shale, yellowish brown
|
1 ft.
|
9
|
Limestone, light gray
|
3 ft.
|
8
|
Shale, light gray
|
2 ft.
|
7
|
Box work (net of veins) in light gray shale
|
1 ft.
|
6
|
Shale, light gray
|
3.8 ft.
|
5
|
Limestone, brown, crystalline
|
0.2 ft.
|
4
|
Shale, light gray
|
1.5 ft.
|
3
|
Shale, dark blue
|
2 ft.
|
2
|
Shale, light gray
|
1.5 ft.
|
1
|
Limestone, light gray, with fusulinids (Cottonwood)
|
+ 2 ft.
|
|