|
Unit No. |
Description |
Thickness |
18
|
Flint, irregular, no limestone
|
+ 1 (2.5) ft.
|
17
|
Limestone
|
+0.5(0.3) ft.
|
16
|
Limestone with double-band flint (0.5 ft.) on top and thin 0.1 ft. at the base. Trit, venticosus, 1 Schwagera
|
1.5 ft.
|
15
|
Limestone with 3 bands of flint, evenly spaced at top
|
1.5 ft.
|
14
|
Shale, calcareous, splittery
|
2 ft.
|
13
|
Limestone, massive, with Pinna, Dentalinn, Derbya crassa, Schizodus, Myalina, Allorisma, Enteletes, and near top Dictyoclostus. Splittery at top
|
1 ft.
|
12
|
Shale, calcareous
|
1 ft.
|
11
|
Limestone, shaly
|
0.5 ft.
|
10
|
Shale, calcareous
|
0.2 ft.
|
9
|
Limestone
|
0.3 ft.
|
8
|
Shale, green, yellowish to the top, light at the base
|
7.5 ft.
|
7
|
Shale, purple
|
0.5 ft.
|
6
|
Shale, light green
|
0.5 ft.
|
5
|
Shale, light purple
|
0.5 ft.
|
4
|
Shale, light green
|
0.5 ft.
|
3
|
Shale, maroon, mottled with green in upper part
|
1.5 ft.
|
2
|
Shale, purple
|
0.4 ft.
|
1
|
Shale, green
|
0.1 ft.
|
|