Country:
|
USA
|
Province:
|
Arkansas, Van Buren Co.
|
Locality:
|
Peyton Creek, F.Steward Phosphate Mine
|
Layer:
|
Imo Fm. |
Lower Boundary:
|
UAR Upper Pitkin--Imo Formation, 321 million years
|
Upper Boundary:
|
UAR Imo Formation top, 318.1 million years
|
Georeference:
|
|