Country:
|
USA
|
Province:
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Virginia, Frederick Co.
|
Locality:
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Back Creek NW of Gainsboro
|
Layer:
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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:
|
|