LocNo: 7294Homoc.prereticul. horizon,pl.C
| Country: |
France
|
| Province: |
Nord-Pas-de-Calais
|
| Locality: |
Valenciennes,Houillères
|
| Layer: | Homoc.prereticul. horizon,pl.C |
| Lower Boundary: |
GBY H2c1--H2c2 (eostriol.--prereticul.), 317.3 million years
|
| Upper Boundary: |
GBY R1a3--R1a4 (R.subretic.--todmorden.), 316.4 million years
|
| Georeference: |