LocNo: 7115Indian Springs Fm., basal portion
| Country: |
USA
|
| Province: |
Nevada, Clark Co.
|
| Locality: |
Black Hills, Picture Canyon
|
| Layer: | Indian Springs Fm., basal portion |
| Lower Boundary: |
GBY E2a1--E2a2 (cowlingense--bisulcatum), 323.5 million years
|
| Upper Boundary: |
DER E2a--E2b, 322.5 million years
|
| Georeference: |