| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Virginia, Roanoke Co. 
 | 
| 
Locality:
 | 
Catawba Mt., SE slope of, W of Salem 
 | 
| 
Layer:
 | 
Millboro Shale | 
| 
Lower Boundary:
 | 
Eifel.--Givetian [dm96:08,20] [EIF--GIV], 391.8 million years
 
 | 
| 
Upper Boundary:
 | 
MD2A--MD2B: undul.--molarium Z.  [13,00], 390.6 million years
 
 | 
| 
Georeference:
 | 
 |