|
Unit No. |
Description |
Thickness |
20
|
Limestone, flaggy
|
2 ft.
|
19
|
Limestone, massive, nodular flint in lower part
|
1 ft.
|
18
|
Limestone, massive, flint band at top, nodular flint throughout
|
1.2 ft.
|
17
|
Limestone, massive, stilolite in the middle
|
0.8 ft.
|
16
|
Limestone, massive, nodular float in upper part, thin flint band at the base
|
0.9 ft.
|
15
|
Limestone, massive, with thick flint band in the middle
|
1.4 ft.
|
14
|
Shale, calcareous, with Composita
|
1.7 ft.
|
13
|
Limestone, massive with thick flint band in the middle, Wellerella
|
2 ft.
|
12
|
Limestone, flaggy, somehwat conglomeratic
|
1 ft.
|
11
|
Shale, calcareous with Juresania, Derbya, Chonetes, crinoid joints, fist-tooth (?)
|
2.5 ft.
|
10
|
Shale, green, base, calcareous
|
3 ft.
|
9
|
Shale, purple
|
4 ft.
|
8
|
Shale, green, somewhat calcareous
|
0.5 ft.
|
7
|
Shale, purple
|
4.5 ft.
|
6
|
Limestone, tough, mottled light gray and green
|
1 ft.
|
5
|
Shale
|
4 ft.
|
4
|
Limestone, bedded, massive, coquinoid
|
2 ft.
|
3
|
Covered
|
5 ft.
|
2
|
Shale, calcareous, with numerous bryozoa(Thamissous)
|
4 ft.
|
1
|
Limestone, flaggy, massive(Funston)
|
+ 3 ft.
|
|