LocNo: 3199Johns Valley Shale
| Country: |
USA
|
| Province: |
Arkansas, Scott Co.
|
| Locality: |
Waldron, Boles, W of Session Creek
|
| Layer: | Johns Valley Shale |
| Lower Boundary: |
UAR Ruddell base, 328.2 million years
|
| Upper Boundary: |
UAR Batesville--basal Fayetteville, 327.2 million years
|
| Georeference: |