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 B |
Westphalian C |
France |
Corsin,P.M. et al. On the vertical and horizontal palynologic composition of a sedimentary cycle of the Carboniferous |
1967 |
details |
Westphalian B |
Westphalian C |
France(Pas-de-Calais) |
Corsin,P.M. et al. On the vertical and horizontal palynologic composition of a sedimentary cycle of the Carboniferous |
1967 |
details |
Nd |
|
Nd |
Loboziak,S. The micro and megaspores of the western part of the northern Coal Basin of France. |
1971 |
details |
Nd |
|
Nd |
Coquel,R. Palynologic study of the coal series of the Valenciennes production unit of the North France Coal Basin. |
1974 |
details |
Morrowan |
Desmoinesian |
Iowa |
Ravn,R.L. Palynostratigraphy of the Lower and Middle Pennsylvanian Coals of Iowa |
1986 |