 |
Unit No. |
Description |
Thickness ft. |
|
Fort Riley limestone member |
|
11 |
Limestone, massive, porus and cavernous, with Aviculopecten,
small Derbya, Leda, and Bellerophon |
3 |
10 |
Limestone, massive, soft with some chert at the top and
scattered fossils: Meekella striaticostata, small Derbya,
small crinoid joints |
2 |
|
Oketo shale member |
|
9 |
Shale, bluish-gray, very fossiliferous, Derbya and other fossils |
5 |
8 |
Mudstone, bluish-gray, beddedm with numerous echinoid spines |
1 |
7 |
Shale, bluish-gray, with two calcareous fossiliferous beds
near the top: chiefly crinoid joints |
4 |
6 |
Limestone, massive, numerous echinoid spines, also crinoid
joints, Rhipidomella, Dictyoclostus americanus, stony bryozoa,
Fenestella and others |
1.6 |
|
Florence limestone member |
|
5 |
Limestone, with bands of flint |
4.8 |
4 |
Shale, calcareous, with weath pyrite concretions |
2.2 |
3 |
Limestone with bands of flint |
3 |
2 |
Shale, limy, with Fenestella, stony bryozoa, Chonetes,
Derbya, Dictyoclostus americanus and others |
1.7 |
1 |
Limestone with bands of flint |
5 |
|