| details |
Oligocene |
Middle Miocene |
W.Germany(N.Rhine) |
Stolz,G. Plant ecosystem of the Rhine Browncoal and their succession in special reference to the Bright Layers. |
1954 |
| details |
Miocene |
|
Germany(Rhineland) |
Brelie,G.Von Der et al. Palynological fine stratigraphy in Brown Coal underground mining of the Morschenich Mine. (Geology of the Rhine Browcoal, No.9). |
1954 |
| original |
Middle Oligocene |
Late Pliocene |
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Paleocene |
Early Eocene |
Germany(Niedersachsen) |
Pflug,H.D. Palynology and stratigraphy of the Eocene Brown-Coal of Helmstedt. |
1952 |