|
Unit No. |
Description |
Thickness |
1
|
Cross bedded, bluish gray, granular, crinoidal
|
1 ft.
|
2
|
Buff silty
|
1 ft.
|
3
|
Ferginous, fossiliferous limestone
|
0.2 ft.
|
4
|
Silty fossiliferous shale; Derbya, crinoid stems, somposita, Phanerotrema, Linoproductus
|
6 ft.
|
5
|
Coal
|
0.3 ft.
|
6
|
Underclay with silicified wood
|
1 ft.
|
7
|
Limestone nodules
|
1 ft.
|
8
|
Sandstone, buff, limy, fossiliferous
|
1 ft.
|
9
|
Shale, upper half light gray, silty, with crinoid stems, Mesolobus, Limoproductus, etc.; lower half dark gray bluish gray clay shale with large Lophophyllum, abundant ramose colonial coral (Pachypora?) and large Aulopora; fossiliferous brown concretions 3 feet from bottom
|
12 ft.
|
|