| 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 |
Oligocene |
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 |
Late Oligocene |
|
E.Germany(Dresden) |
Hunger,R. Microbotanical-stratigraphic investigations of Brown Coal of the Southern Oberlausitz and pollen analysis as a means for the interpretation of Seamo Rigin. |
1953 |
| details |
Burdigalian |
|
Hungary |
Maacz,G.J. et al. Brown Coal investigations in the Coal District of Borsod.2. |
1956 |
| details |
Chattian |
|
Poland |
Romanowicz,I. Spore and pollen analysis of Tertiary sediments from the vicinity of Boleslawiec and Zebrzydowa. (In: Analiza sporowo-Pylkowa Osadow Trzeciorzedowyc H Z Okolic Boleslawca I Zebrzydowej. (In: Z Badan Trzeciorzedu W Polsce. Tom 4) |
1961 |
| 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 |