| details |
Middle Oligocene |
Miocene |
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Middle Miocene |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Miocene |
|
Germany(Rhineland) |
Thomson,P.W. The origin of the Coal Seams based on micropaleontological investigations of the main Seam of the Brown Coal of the Rhine. |
1950 |
| original |
Miocene |
|
Germany(Rhineland) |
Thomson,P.W. The origin of the Coal Seams based on micropaleontological investigations of the main Seam of the Brown Coal of the Rhine. |
1950 |
| original |
Chattian |
Miocene |
Germany(Rhineland) |
Potonie,R. et al. On the nomenclature and classification of the Neogene sporomorphs (Pollen and spores). on the geology of the Rhine Valle Brown Coal. 1. |
1950 |
| details |
Early Miocene |
|
Germany(Rhineland) |
Rein,U. The importance of fine stratigraphy for Rhine Browncoal Mining and its practical application. |
1950 |
| details |
Late Pliocene |
|
Germany(Rhineland) |
Rein,U. Pollen analytical study of the Pliocene-Pleistocene boundary on the Left Bank of the Rhine |
1950 |
| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| details |
Miocene |
|
Poland |
Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. |
1949 |
| original |
Late Oligocene |
Early Miocene |
W.Germany(Rhineland) |
Thompson,P.J. Lower Tertiary elements in the Rhineland Brown Coal and some important stratigraphic pollen forms. |
1949 |