|
Unit No. |
Description |
Thickness |
24
|
Shale
|
0.4 ft.
|
23
|
Mudstone
|
0.1 ft.
|
22
|
Shale
|
0.5 ft.
|
|
Carlton Limestone Member
|
|
21
|
Mudstone, buff, splittery
|
2 ft.
|
|
Sand Springs Shale Member
|
|
20
|
Shale, yellow-hued gray, somewhat limy
|
6 ft.
|
19
|
Shale, gray, somewhat sandy and micaceous, splittery
|
5 ft.
|
|
Hollenberg Limestone Member
|
|
18
|
Limestone, gray
|
0.3 ft.
|
17
|
Limestone, white, soft
|
0.7 ft.
|
16
|
Shale, green to dark-blue
|
4 ft.
|
15
|
Shale, calcareous
|
0.5 ft.
|
14
|
Limestone, light-gray, geodes, small pelecypods at the top
|
2 ft.
|
|
Pearl Shale Formation
|
|
13
|
Shale
|
1 ft.
|
12
|
"Boxwork"
|
1 ft.
|
11
|
Covered
|
3 ft.
|
10
|
Shale, green, calcareous and splittery in upper and lower parts
|
5 ft.
|
9
|
Shale, green
|
1 ft.
|
8
|
Shale, maroon, in places changes to green in middle part
|
5 ft.
|
7
|
Shale, green
|
0.8 ft.
|
6
|
"Boxwork," green
|
1.2 ft.
|
5
|
Shale, light-green, banded, partly sandy and micaceous
|
8 ft.
|
|
Herington Shale Member
|
|
4
|
Mudstone, buff, splittery
|
0.8 ft.
|
3
|
Shale, gray
|
0.2 ft.
|
2
|
"Boxwork," yellow-hued gray
|
0.5 ft.
|
1
|
Limestone, yellow-hued gray, splittery
|
0.5 ft.
|
|