|
Unit No. |
Description |
Thickness |
5
|
Limestone, dense, gray splotches of limonite, crinoid stems, lower part rather dense brown, weathers yellow, irregular base
|
1.5 ft.
|
4
|
Shale gray, Ambocoelia, Marginifera
|
+/- 4 ft.
|
3
|
Shale, black, few concretions
|
+/- 1 ft.
|
2
|
Shale gray
|
0.8 ft.
|
1
|
Limestone, irregular top, gray granular
|
|
|
Bandera sandstone not far below
|
|
|