| details |
Late Oligocene |
Miocene |
Germany(Brandenburg) |
Thiergart,F. Pollen flora of Brown Coal from the Niederlausitz, especially from the Marga Mine near Senftenberg |
1938 |
| details |
Miocene |
|
E.Germany(Cottbus) |
Thiergart,F. Pollen flora of Brown Coal from the Niederlausitz, especially from the Marga Mine near Senftenberg |
1938 |
| details |
Eocene |
Recent |
Germany |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| details |
Miocene |
|
Poland |
Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. |
1949 |
| 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 |
Early Miocene |
|
W.Germany(N.Rhine) |
Kremp,G.O.W. et al. The interpretation of Tertiary swamp types in Brown Coal. |
1960 |
| details |
Paleogene |
Neogene |
Poland |
Grabowska,I. Flora of the Palaeogene and the Neogene. (In: Catalogue of Fossil. Part 3A. Cainozoic, Tertiary. J.Czerminski, editor) |
1977 |