|
Unit No. |
Description |
Thickness |
1
|
Limestone - gray with green clayey material throughout. Gray limestone is mostly crystalline and is in the upper 2/3 of the bed; lower 1/3 is gray-green, very clayey, mudstone-like; limestone has abundant smails, small and large; clams, small and large; crinoids
|
2.3 ft.
|
2
|
Shale - greenish, thin bedded, calcareous
|
0.6 ft.
|
3
|
Limestone - greenish-gray, impure, clayey, has snails and clams
|
0.4 ft.
|
4
|
Shale - olive-gray to dark gray and black texture varies from top to bottom, nodular, blocky
|
7.7 ft.
|
5
|
Limestone - medium gray, impure, silty, abundant Pectin, Meekella, other clams
|
0.5 ft.
|
6
|
Shale - olive-gray, thin bedded
|
0.2 ft.
|
7
|
Shale - dark gray, thin-bedded, grades into limestone below
|
1.1 ft.
|
8
|
Limestone - medium gray, weathers gray to blocky to shelly with thin shale breaks 0.5 ft. from base; abundant fossils include Derbya, Meekella, branching and lacy bryozoan, Composita, Chonetes, Jurisania, crinoids, and Dictyclostus
|
4 ft.
|
9
|
Shale - light gray to light gray-green, hard calcareous
|
1.8 ft.
|
10
|
Coal - top is poor shaly plant material, bottoms half is bituminous coal
|
0.5 ft.
|
11
|
Shale - gray, calcareous, hard
|
1.5 ft.
|
|