 |
| Unit No. |
Description |
Thickness
ft. |
| |
Towanda limestone foramtion |
|
| 31 |
Limestone, soft, very porus, bedded, resembling coquina |
1 |
| 30 |
Shale |
3.2 |
| 29 |
Limestone, tough, gray |
1 |
| 28 |
Mudstone, cavernous, yellowish |
1 |
| 27 |
Shale, yellowish-gray |
7 |
| |
Holmesville sh formation |
|
| 26 |
Shale, calcareous, splittery, maroon |
2 |
| 25 |
Shale, green |
1.2 |
| 24 |
Shale, calcareous to mudstone near the base, maroon |
4 |
| 23 |
Limestone, crystalline, yellowish-gray, tough, cavernous |
2 |
| 22 |
Shale, yellowish-green |
1 |
| 21 |
Shale, maroon |
1.5 |
| 20 |
Shale, yellowish-green |
1.8 |
| 19 |
Limestone, crystalline, very cavernous, yellow |
4.3 |
| 18 |
Shale, calcareous to very soft mudstone |
10 |
| 17 |
Mudstone, yellow-gray, with numerous pelecypods (Pleurophous?) |
1 |
| 16 |
Shale, calcareous to very soft mudstone |
4.5 |
| 15 |
Mudstone with few pelecypods (Pleurophous?) |
1 |
| 14 |
Shale, calcareous |
1 |
| |
Fort Riley ls member |
|
| 13 |
Mudstone, massive, porus, yellowish, with Derbya,
crinoid joints, echinoid remains |
3 |
| 12 |
Mudstone, gray, cavernous |
1 |
| |
Oketo sh member |
|
| 11 |
Shale, calcareous, with Derbya, Aviculopecten and other
poorly preserved pelecypods |
1.5 |
| 10 |
Shale, blueish-gray |
4.5 |
| 9 |
Shale to splittery mudstone at the base, quartz geodes
in the lower part |
2 |
| 8 |
Mudstone with quartz geodes |
2 |
| 7 |
Shale, blueish-gray |
4 |
| |
Florence ls member |
|
| 6 |
Mudstone with quartz geodes |
2 |
| 5 |
Limestone, largely replaced by flint |
2 |
| 4 |
Shale, calcareous |
3 |
| 3 |
Limestone, largely replaced by flint |
4 |
| 2 |
Shale, calcareous, with quartz geodes |
1 |
| 1 |
Limestone, largely, replaced by flint |
9 |
|
