LocNo: 5143Upper Leonard Fm.
| Country: |
USA
|
| Province: |
Texas, Brewster Co.
|
| Locality: |
Guadal.Mts.,Old Word Ranch, 0.5 ml SE of
|
| Layer: | Upper Leonard Fm. |
| Lower Boundary: |
UTX Kungurian/Leonardian base, 275.6 million years
|
| Upper Boundary: |
UTX Kungurian/Leonardian top, 270.6 million years
|
| Georeference: |