| details |
Wealden |
|
Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 1 |
1956 |
| details |
Late Miocene |
|
W.Germany(Bavaria) |
Meyer,B.L. Microfloristic investigations on Late Tertiary Brown Coals in eastern Bavaria |
1956 |
| details |
Nd |
|
Nd |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| 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 |
Middle Miocene |
Late Miocene |
Yugoslavia |
Veen,F.R.Van Palynological investigations of Brown Coal deposits at Breza and Tusnica. |
1954 |
| original |
Early Eocene |
Late Pliocene |
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |