 |
Unit No. |
Description |
Thickness ft. |
|
Cottonwood limestone member |
|
13 |
Limestone, full of fusulinids |
0.3± |
12 |
Limestone, with two bands of small flint nodules in the
middle. Full of fusulinids. |
1.8 |
11 |
Limestone, with two bands of medium large flint nodules
in upper half; fusulinids near top |
1.2 |
10 |
Limestone with numerous flint nodules |
0.4 |
9 |
Limestone, yellow, ferruginous |
0.2 |
8 |
Limestone, with few Composita, Lophophyllum, and crinoid
joints near the base |
0.8 |
7 |
Limestone |
1.2 |
6 |
Limestone, clayey splittery |
0.9 |
|
Eskridge shale formation |
|
5 |
Shale, green |
3 |
4 |
Geodes with quartz and amethyst |
|
3 |
Shale, green |
5 |
2 |
Mudstone, light-purple and green |
2 |
1 |
Shale, purple |
3 |
|