| details |
Early Stephanian |
Middle Stephanian |
France(Jura) |
Navale,G.K.B. Palynologic study of some coals of France in relation to their petrographic structure. |
1962 |
| details |
Allegheny |
|
Pennsylvania |
Frederiksen,N.O. Sporomorphs of the Brookville Seam near Brookville, Pennsylvania. |
1961 |
| details |
Late Stephanian |
Stephanian B |
France |
Alpern,B. et al. Stratigraphic distribution of some microspores of the Upper Carboniferous of France. |
1960 |
| details |
Westphalian D |
|
France |
Alpern,B. et al. Stratigraphic distribution of some microspores of the Upper Carboniferous of France. |
1960 |
| details |
Nd |
|
Nd |
Alpern,B. Contribution to the palynological and petrographic study of French Coals. |
1959 |
| details |
Stephanian |
|
France(Jura) |
Alpern,B. A trial correlation by palynology of the Stephanian Coal Beds cored by four Drillings in the Lons-le-Saunier (Jura) Region. |
1958 |
| original |
Westphalian |
Stephanian |
France(Moselle) |
Bharadwaj,D.C. The palynological investigations of the Saar Coals. Part 1-Morphography of sporae dispersae. |
1957 |
| original |
Westphalian |
Stephanian |
W.Germany(Saarland) |
Bharadwaj,D.C. The palynological investigations of the Saar Coals. Part 1-Morphography of sporae dispersae. |
1957 |
| details |
Early Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. The spore flora of Velener Schichten (Lower Westphalian D) in the Ruhr Coal Measures. |
1957 |
| details |
Early Westphalian D |
|
W.Germany(N.Rhine) |
Bharadwaj,D.C. et al. The spore content of the Beds of Velen, Ruhr Carboniferous. |
1955 |
| details |
Westphalian D |
|
Germany(Rhineland) |
Bharadwaj,D.C. et al. The spore content of the Velener Layers of the Ruhr Coal Measures. |
1955 |