|
Unit No. |
Description |
Thickness |
|
Blaine Formation
|
|
10
|
Gypsum, massive white
|
1 ft.
|
9
|
Dolomite, hard, dense, gray
|
0.2 ft.
|
8
|
Clay shale, hard, non-calcareous, greenish-gray
|
0.3 ft.
|
7
|
Clay shale, silty, reddish-brown (5YR5/4); calcareous in small pinpoint area
|
0.7 ft.
|
6
|
Clay shale, greenish-gray
|
0.2 ft.
|
5
|
Clay shale, noncalcareous, reddish-brown
|
1.5 ft.
|
4
|
Clay shale, greenish-gray
|
0.3 ft.
|
3
|
Clay shale, reddish-brown
|
0.4 ft.
|
2
|
Covered
|
2.6 ft.
|
1
|
Sandstone, very fine-grained, poorly sorted, light gray (mottled reddish-brown); cemented with coarsely crystalline gypsum
|
2 ft.
|
|