|
Unit No. |
Description |
Thickness |
|
Three Mile limestone member
|
|
29
|
Limestone, upper part made almost entirely of flint, in lower part two flint bands
|
3.5 ft.
|
28
|
Shale, calcareous
|
0.5 ft.
|
27
|
Limestone, with flint band in upper part
|
1 ft.
|
26
|
Shale, calcareous
|
0.4 ft.
|
25
|
Limestone, with flint band in upper part
|
1 ft.
|
|
peiser shale formation
|
|
24
|
Shale, gray, calcareous. Near the top Composita, Derbyia, Chonetes, Orbiculoidea. Near the base Derbyia, Myalina, Aviculopecten
|
3 ft.
|
23
|
Limestone, light-green, full of small fragments of fossils
|
1 ft.
|
22
|
Shale, greenish-gray to yellowish
|
2 ft.
|
21
|
Shale, dark-green
|
0.5 ft.
|
20
|
Shale, mottled dark-green and purple
|
0.5 ft.
|
19
|
Shale, green
|
0.5 ft.
|
18
|
Shale, purple
|
2.5 ft.
|
17
|
Shale, green, mottled with purple at the base
|
1 ft.
|
16
|
Shale, purple
|
0.5 ft.
|
15
|
Shale, green
|
1 ft.
|
14
|
Shale, purple
|
0.5 ft.
|
13
|
Shale, green
|
0.2 ft.
|
12
|
Shale, purple
|
2 ft.
|
11
|
Shale, light-green, harder in lower part
|
1.5 ft.
|
10
|
Shale, dark-green
|
0.5 ft.
|
9
|
Shale, light-green
|
0.5 ft.
|
8
|
Shale, red
|
1.5 ft.
|
7
|
Shale, green
|
0.5 ft.
|
|
Funston limestone member
|
|
6
|
Mudstone, light-green, with unidentifiable fossils
|
1.5 ft.
|
5
|
Shale, green
|
0.8 ft.
|
4
|
Shale, maroon
|
2 ft.
|
3
|
Shale, green
|
1 ft.
|
1
|
Limestone, shaly, cavernous, yellowish, full of small undeterminable fossils near the top
|
1.5 ft.
|
1
|
Shale, green
|
|
|