|
| Unit No. |
Description |
Thickness |
|
|
Krider limestone member
|
|
|
35
|
Limestone
|
1 ft.
|
|
|
Odell shale formation
|
|
|
34
|
Shale, gray
|
15.5 ft.
|
|
33
|
Shale, red
|
0.6 ft.
|
|
32
|
Shale, green
|
0.2 ft.
|
|
31
|
Shale, red
|
1.2 ft.
|
|
30
|
Shale, green
|
0.3 ft.
|
|
29
|
Shale, red
|
3.7 ft.
|
|
28
|
Shale, green
|
0.2 ft.
|
|
27
|
Shale, light green
|
3.8 ft.
|
|
26
|
Mudstone, soft, massive, green-gray, concretions in upper part
|
3 ft.
|
|
25
|
Limestone, light-gray, cavernous, softer toward base
|
1.2 ft.
|
|
24
|
Limestone, light-gray, softer toward base, with pelecypods
|
1.3 ft.
|
|
23
|
Shale, calcareous, with pelecypods and gastropods
|
2.5 ft.
|
|
|
Cresswell limestone member and Grant shale member
|
|
|
22
|
Shale, calcareous, with crinoid and echinoid remains, Linoproductusm Allorisma, few Myaline, bryozoa, Derbyia, and Composita
|
|
|
21
|
Shale, calcareous, with Derbyia and Composita
|
4.5 ft.
|
|
20
|
Limestone to mudstone with large Derbyia, Allorisma, and Schizodus
|
2.5 ft.
|
|
19
|
Shale, calcareous, with Dictyoclostus in middle
|
4.5 ft.
|
|
18
|
Shale, calcareous, with crinoid and echinoid remains, Composita, and few Derbyia
|
2.5 ft.
|
|
17
|
Shale, gray
|
1.5 ft.
|
|
|
Stovall ls member
|
|
|
16
|
Flint with large Derbyia
|
0.5 ft.
|
|
|
Gage sh fm
|
|
|
15
|
Shale, calcareous
|
2.2 ft.
|
|
14
|
Mudstone, with numerous large Derbyia and few Dictyoclostus
|
0.8 ft.
|
|
13
|
Shale, gray, calcareous, with Derbyia and Dictyoclostus americanus
|
7 ft.
|
|
12
|
Shale, red
|
1.7 ft.
|
|
11
|
Shale, green
|
1.1 ft.
|
|
10
|
Shale, red
|
2.6 ft.
|
|
9
|
Shale, green
|
0.5 ft.
|
|
8
|
Shale, red
|
1.1 ft.
|
|
7
|
Shale, green
|
0.6 ft.
|
|
6
|
Shale, red, unpersistent green band in lower part
|
2.5 ft.
|
|
5
|
Shale, green
|
0.3 ft.
|
|
4
|
Shale, red, unpersistent green band in lower part
|
3.8 ft.
|
|
3
|
Shale, green
|
0.3 ft.
|
|
2
|
Shale, red
|
0.9 ft.
|
|
1
|
Shale, green
|
0.4 ft.
|
|
|
(Bottom of eastern trench of the road)
|
|
|
