 |
| Unit No. |
Description |
Thickness
ft. |
| |
Threemile limestone member |
|
| 17 |
Limestone, amssive, scattered flint nodules in upper
part, flint bed in lower part, below which occur
scattered crinoid joints |
2.2 |
| 16 |
Limestone, massive, double flint band at the top;
Pinna, Composita, Juresania, Derbya, Dictyoclastus,
Wellerella, and Chonetes |
1.5 |
| 15 |
Shale, calcareous |
0.3 |
| 14 |
Limestone, massive, with think flint band slightly
above the middle |
2.0 |
| |
Speiser shale formation |
|
| 13 |
Shale, gray, splittery, with Chonetes, Derbya, Composita,
and bryozoa |
3 |
| 12 |
Mudstone, gray, splittery |
0.8 |
| 11 |
Shale, dark-green and purple |
9.5 |
| 10 |
Shale, green |
1.5 |
| 9 |
Shale, red, to mudstone at the top |
2 |
| 8 |
Shale, green |
1 |
| 7 |
Mudstone, irregular lense [?], green and pink |
1 |
| 6 |
Shale, green |
1 |
| |
Funston limestone member |
|
| 5 |
Limestone, banded, somewhat cavernous |
1.5 |
| 4 |
Shale, green, with little red |
2 |
| 3 |
Limestone, banded, red with green crusts near top |
0.5 |
| 2 |
Shale, dark-gray, splittery |
5.5 |
| 1 |
Limestone |
1+ |
|
