LocNo: 4621Niveau U
| Country: |
France
|
| Province: |
Nord-Pas-de-Calais
|
| Locality: |
Charbonnages de Bernissart
|
| Layer: | Niveau U |
| Lower Boundary: |
GBY R1b--R1c (Ph.nodosum--R.reticulatum), 315.4 million years
|
| Upper Boundary: |
GBY R1--R2(P.coreticulatum--P.gracilis), 315 million years
|
| Georeference: |