|
Unit No. |
Description |
Thickness |
3
|
Cresswell Limestone, gray, shaly and bedded at top; middle and lower portions more massive, geodal, and pitted, with a few small chert stringers; echinoid species common, also brachiopods and some pelecypods at base
|
9 ft.
|
2
|
Grant shale, gray, largely argillaceous, with some sandy limy aggregate
|
12.5 ft.
|
1
|
Stovall limestone, dark gray, very cherty, with shaly transition at top and bottom, fossiliferous
|
3.5 ft.
|
|