| details |
Early Miocene |
|
W.Germany(N.Rhine) |
Neuy-Stolz,G. The flora of the Lower Rhine Basin during the formation of the main seam with special attention to the pollen and fungus remnants in the light layers. |
1958 |
| details |
Middle Oligocene |
|
W.Germany(N.Rhine) |
Helal,A.H. Age and distribution of the Tertiary Browncoal in the area of Gladbach east of Cologne. |
1958 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Krutzsch,W. Micropaleontologic (spore paleontology), investigation of the Brown Coal of the Geiseltal. |
1959 |
| details |
Eocene |
|
Germany(Niedersachsen) |
Lenz,O.K. Pal¤oжkologie eines Kмstenmoores aus dem Eoz¤n Mitteleuropas am Beispiel der Wulfersdorfer Flжze und deren Begleitschichten (Helmstedter Oberflжzgruppe, Tagebau Helmstedt) Dissertation |
2000 |