LocNo: 3188Ruddel Shale
| Country: |
USA
|
| Province: |
Arkansas, Searcy Co.
|
| Locality: |
Silver Hill, Luther Arnold's Farm
|
| Layer: | Ruddel Shale |
| Lower Boundary: |
UAR Ruddell base, 328.2 million years
|
| Upper Boundary: |
UAR upper Ruddel--Batesville, 327.6 million years
|
| Georeference: |