LocNo: 3505Bloyd Shale, Brentwood Lst.
| Country: |
USA
|
| Province: |
Arkansas, Washington Co.
|
| Locality: |
Winslow, Cold Spring, Cove Creek
|
| Layer: | Bloyd Shale, Brentwood Lst. |
| Lower Boundary: |
U Halian--Bloydian, Brentwood base, 313 million years
|
| Upper Boundary: |
UAR Brentwood Lst.--Woolsey, 312.5 million years
|
| Georeference: |