|
Unit No. |
Description |
Thickness |
7
|
Limestone, shaly, gray. Same fossils as (5). Resistant.
|
+2 - 3 in.
|
6
|
Shale, gray, calcareous.
|
+/- 1 ft.
|
5
|
Limestone, black, weathers tan to buff. Very hard and brittle. Distinctly jointed and quadrangular pieces round upon weathering. Contains large Mesolobus, crinoid stems, and abundant Marginifera. Sample taken.
|
8 - 10 in.
|
4
|
Clay, light to dark gray.
|
+/- 6 in.
|
3
|
Zone of rough shaly limestone concretions. Contains Marginifera.
|
+/- 2 ft.
|
2
|
Shale, black, hard, fissile. Abundant rounded phosphatic concretions.
|
+/- 2 ft.
|
1
|
Shale and clay. Exposed.
|
1 ft.
|
|