| 
Country:
 | 
USA 
 | 
| 
Province:
 | 
Nevada, Nye Co. 
 | 
| 
Locality:
 | 
North Syncline Ridge,Nevada Test Site 
 | 
| 
Layer:
 | 
Scotty Wash Fm. | 
| 
Lower Boundary:
 | 
GBY E2c4--H1a(Nu.nuculum--I.subglobosum), 319 million years
 
 | 
| 
Upper Boundary:
 | 
GBY H1a--H1b (subglobosum--beyrichianum), 317.9 million years
 
 | 
| 
Georeference:
 | 
 |