|
Unit No. |
Description |
Thickness |
|
Florence limestone formation
|
|
20
|
Limestone, shaly, with two flint bands
|
2 ft.
|
19
|
Limestone, massive, with four flint bands
|
4 ft.
|
18
|
Limestone, massive, with three flint bands widely spaced and three flint bands close together. Fusulinids in the second and third of the upper three bands. Composita small and round below fusulinid zone.
|
4.5 ft.
|
17
|
Shale, limy, very fossiliferous: Chonetes, Derbyia, Dictyoclostus americanus, bryozoa
|
0.8 ft.
|
16
|
Limestone, very fossiliferous
|
1 ft.
|
15
|
Limestone, solid, with flint band in the middle, very fossiliferous: crinoid joints, bryozoa and others, Dictyoclostus americanus at the base
|
1 ft.
|
14
|
Limestone, shaly, fossiliferous
|
0.2 ft.
|
13
|
Mudstone, massive, blue-gray, with Allorisma. At the base Dictyoclostus, Juresania, slightly above the base, Allorisma, Schizodus
|
1 ft.
|
12
|
Shale, blue-green
|
2.5 ft.
|
11
|
Shale, dark-green
|
1 ft.
|
10
|
Shale, light-green
|
0.5 ft.
|
9
|
Shale, brick-red
|
0.5 ft.
|
8
|
Shale, green
|
3 ft.
|
7
|
Shale, maroon (thickness merged with unit 8)
|
|
6
|
Shale, green (thickness merged with unit 8)
|
|
5
|
Shale, brick-red
|
1.5 ft.
|
4
|
Shale, calcareous, light-green
|
0.6 ft.
|
3
|
Shale, brick-red
|
1.8 ft.
|
2
|
Shale, dark-green
|
0.6 ft.
|
1
|
Shale, brick-red, calcareous
|
2 ft.
|
|