| details |
Early Westphalian C |
|
France(Pas-de-Calais) |
Laveine,J.P. Contribution to the study of microspores of different layers of the Lower Westphalian C. Palynologic correlation between the groups of a Uchel-Bruay and of Bethune-Noeux. |
1965 |
| details |
Early Westphalian C |
|
France(Pas-de-Calais) |
Coquel,R. Study of the microspores contained in the Steriles of the Lower Westphalian C. palynological correlat Ions between the Bethune-Noeux and the Auchel-Bru Ay Groups |
1966 |
| details |
Westphalian A |
|
France(Nord) |
Coquel,R. Palynologic study of the coal series of the Valenciennes production unit of the North France Coal Basin. |
1974 |