| Country: |
USA
|
| Province: |
Virginia, Frederick Co.
|
| Locality: |
Hayfield Cross-Road
|
| Layer: | Needmore Shale |
| Lower Boundary: |
Emsian--Eifelian [dm96:00,00] [EMS--EIF], 397.5 million years
|
| Upper Boundary: |
australis--kockelianus Zone [04,80], 393.8 million years
|
| Georeference: |
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