LocNo: 3214Ruddel Shale, base
| Country: |
USA
|
| Province: |
Arkansas, Independence Co.
|
| Locality: |
Salado quad., Pine Mountain section
|
| Layer: | Ruddel Shale, base |
| Lower Boundary: |
UAR Ruddell base, 328.2 million years
|
| Upper Boundary: |
UAR lower--middle Ruddel, 328 million years
|
| Georeference: |