LocNo: 7297Retic.nodosum horizon,pl.G,H,I,J
| Country: |
France
|
| Province: |
Nord-Pas-de-Calais
|
| Locality: |
Valenciennes,Houillères
|
| Layer: | Retic.nodosum horizon,pl.G,H,I,J |
| Lower Boundary: |
GBY R1a--R1b (R.dubium--R.eoreticulatum), 316 million years
|
| Upper Boundary: |
GBY R1b--R1c (Ph.nodosum--R.reticulatum), 315.4 million years
|
| Georeference: |