LocNo: 3535lower Atoka Fm.
| Country: |
USA
|
| Province: |
Arkansas, Washington Co.
|
| Locality: |
Fayetteville, N end of Kessler Mountain
|
| Layer: | lower Atoka Fm. |
| Lower Boundary: |
U Morrowan (Bloydian)--Atokan[MOR--ATO], 310.4 million years
|
| Upper Boundary: |
UAR Lower--Upper Atoka Fm., 309.2 million years
|
| Georeference: |