|
Unit No. |
Description |
Thickness |
|
Threemile limestone (8-6)
|
|
8
|
Limestone, massive, with one flint band in upper part and two in lower part, crinoid joints, Enteletes (?), Rhipidonella carbonaria, Pinna
|
2 ft.
|
7
|
Shale
|
0.2 ft.
|
6
|
Limestone with one flint bed
|
1 ft.
|
5
|
Shale, gray, fossiliferous; Chonetes, Derbyia, Composita, Juresania, crinoid joints
|
2.2 ft.
|
4
|
Mudstone with Allorisma, Pinna, Pseudomonotis, and Aviculopecten
|
0.8 ft.
|
3
|
Shale, green, calcareous near top, maroon band near base
|
5 ft.
|
2
|
Shale, maroon
|
0.8 ft.
|
1
|
Shale, green
|
0.5 ft.
|
|