| original |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| details |
Late Cretaceous |
Tertiary |
Brazil |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| details |
Late Eocene |
Early Oligocene |
W.Germany(Hesse) |
Murriger,F. et al. Concerning the age of Brown Coal of Burghasungen, Bezirk Kassel, based on pollen analysis and comparisons with other Browncoal deposits. |
1951 |
| details |
Oligocene |
|
W.Germany(Hesse) |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| details |
Late Eocene |
Early Oligocene |
W.Germany(Hesse) |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| details |
Late Eocene |
Early Oligocene |
W.Germany(Hesse) |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| details |
Oligocene |
|
Czechoslovakia |
PacltovŠ,B. et al. The Oligocene pollen association in the Beds overlying the basalt effusion in the Cheb Basin. |
1958 |
| details |
Oligocene |
Miocene |
Germany(Brandenburg) |
Raukopf,K. Pollen analysis and fine-stratigraphy of Tertiary Coals of Mecklenburg, Berlin and the Lausitz. |
1959 |
| details |
Late Eocene |
Early Oligocene |
W.Germany |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. Synopsis of the genera of the sporae dispersae. Part 3 |
1960 |
| details |
Paleocene |
Eocene |
E.Germany(Potsdam) |
Krutzsch,W. Contribution to the spore-paleontology of the Pre-Upper Oligocene-Oligocene Continental and marine Tertiary sediments of Branden. |
1961 |