| 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 |
Late Eocene |
Early Oligocene |
W.Germany(Hesse) |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| details |
Late Cretaceous |
Paleocene |
W.Germany(Niedersachsen) |
Thiergart,F. The stratigraphic value of Mesozoic pollen and spores |
1949 |
| details |
Helvetian |
|
Hungary |
Simoncsics,P. Spore, pollen, and Bog types of the Miocene Brown Coal area of Nograd.1. |
1969 |
| details |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| details |
Eocene |
Oligocene |
Germany |
Thiergart,F. Pollen analysis of the Service of Brown Coal research. |
1940 |
| original |
Eocene |
|
Germany |
Potonie,R. The microscopic research of Brown Coals.Tertiary pollen forms. |
1931 |
| details |
Eocene |
Miocene |
W.Germany |
Potonie,R. Revision of stratigraphically important sporomorphs of the Middle European Tertiary. |
1951 |
| details |
Early Tertiary |
|
Germany(Rhineland) |
Potonie,R. et al. On the nomenclature and classification of the Neogene sporomorphs (Pollen and spores). on the geology of the Rhine Valle Brown Coal. 1. |
1950 |