|
Unit No. |
Description |
Thickness |
6
|
Thin-bedded, brown, hard, slabby, dense, very fine grained, crystalline. fusuliniferous limestone with ferr. fossil cavities
|
|
5
|
Light gray, fairly hard, thin-bedded, kaolinitic, illite clay shale
|
18 - 19 ft.
|
4
|
Thin-bedded, platy, bituminous coal - Williamsburg
|
6 - 9 in.
|
3
|
Very soft, somewhat shaly coal
|
0 - 3 in.
|
2
|
Interbedded, gray, soft, kaolinitic clay shale and lignite layers
|
0 - 3 in.
|
1
|
Dark gray, soft, very thin-bedded, slightly kaolinitic illite clay shale, containing a great amount of browken lignitic material
|
1 ft.
|
|