|
Unit No. |
Description |
Thickness |
|
Carlton Limestone Member
|
|
18
|
Shale, light gray, and limestone, harsh, shaly. Unfossiliferous, except for capping layer with Estheria
|
9 ft.
|
17
|
Limestone, chalky, light gray, argillaceous, thin-bedded. Fossil insects and land plants at the base
|
5.5 ft.
|
16
|
"Stump bed." Shale, black, with land plants. Bone conglomerate at the base
|
3 ft.
|
15
|
Limestone grading upwards into "bone conglomerate"
|
0.5 ft.
|
|
Buckeye Shale Member
|
|
14
|
Shale, dark gray
|
1.5 ft.
|
13
|
Limestone, bluish-gray, flaggy, crystalline
|
0.6 ft.
|
12
|
Shale, dark gray
|
2.6 ft.
|
11
|
Shale, calcareous, to mudstone
|
0.7 ft.
|
10
|
Shale, gray
|
11.6 ft.
|
9
|
Shale, red
|
1.8 ft.
|
8
|
Shale, dark gray
|
0.3 ft.
|
7
|
Shale, maroon
|
0.8 ft.
|
6
|
Shale, greenish-gray
|
1.1 ft.
|
5
|
Shale, dark gray
|
1.8 ft.
|
4
|
Mudstone, light gray
|
0.2 ft.
|
3
|
Shale, gray
|
1.0 ft.
|
2
|
Shale, red
|
0.5 ft.
|
1
|
Shale, dark bluish-gray
|
1.5 ft.
|
|