|
Unit No. |
Description |
Thickness |
10
|
Limestone, gray, Triticites, "Dover"
|
|
9-8
|
Sandstone, massive, cross-bedded, gray in upper part, red streak below, near middle -- lower part covered
|
58 ft.
|
7
|
Limestone, brown-gray, massive, fossiliferous, "Maple Hill"
|
1.6 ft.
|
6
|
Shale, gray to yellow brown, platy, sandy
|
9.5 ft.
|
5
|
Conglomerate, lenticular, limestone pebbles
|
0-0.2 ft.
|
|
Tarkio (Units 4-2)
|
|
4
|
Limestone, gray, fossiliferous
|
2 ft.
|
3
|
Limestone, brown, sandy, fossiliferous
|
2.8 ft.
|
2
|
Limestone, brown, massive to bedded, Triticites
|
3 ft.
|
1
|
Sandstone, gray to yellow, micaceous, soft
|
|
|