LocNo: 6403Graham Fm., Finis Shale
| Country: |
USA
|
| Province: |
Texas, Jack Co.
|
| Locality: |
Jacksboro, 3.5mls E of
|
| Layer: | Graham Fm., Finis Shale |
| Lower Boundary: |
UTX Graford Fm.--Brad Fm., 305.3 million years
|
| Upper Boundary: |
UTX Graham Fm. top, 301 million years
|
| Georeference: |