LocNo: 5781G1 (Wn1a)
| Country: |
Belgium
|
| Locality: |
Charbonnages du Guffre, puits No 7
|
| Layer: | G1 (Wn1a) |
| Lower Boundary: |
Marsdenian--Yeadonian [MRD--YEA], 313.8 million years
|
| Upper Boundary: |
Yeadonian--Langsettian, Westph.A [YEA--, 313 million years
|
| Georeference: |