Country:
|
USA
|
Province:
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Arkansas, Searcy Co.
|
Locality:
|
Hill 2 mls S of Marshall
|
Layer:
|
Fayetteville Fm., upper shale |
Lower Boundary:
|
UAR Limest.--upper shale of Fayetteville, 324.8 million years
|
Upper Boundary:
|
UAR upper Fayetteville--lower Pitkin, 324.3 million years
|
Georeference:
|
|