LocNo: 498Percha Shale
| Country: |
USA
|
| Province: |
New Mexico, Sierra Co.
|
| Locality: |
Sierra Co., unrecorded
|
| Layer: | Percha Shale |
| Lower Boundary: |
UD3B--UD3C:(delphinus Zone base) [14,55], 368 million years
|
| Upper Boundary: |
UD5A--UD5B: ornata Zone base [17,10], 364.8 million years
|
| Georeference: |