| original |
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 |
| details |
Miocene |
|
Poland |
Kremp,G.O.W. Pollen analysis of the Miocene Brown Coal Bed of Konin on the Warthe River. |
1949 |
| details |
Miocene |
|
W.Germany(Niedersachsen) |
Kremp,G.O.W. Pollen analysis of Brown Coal in the southern part of Niedersachsen, especially in the Solling. |
1950 |
| details |
Eocene |
|
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 |
| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| 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 |
Danian |
Middle Miocene |
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Eocene |
|
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Early Miocene |
|
Poland |
Doktorowicz-Hrebnicka,J. Microfloristic investigations of Brown Coal at Miroslawice Gorne in Lower Silesia. |
1956 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Pollen research of the Upper Pannonian Brown Coal Layers of the Matra Mountains. |
1957 |
| details |
Early Miocene |
Early Pliocene |
Spain |
Jelgersma,S. Palynological observations of Tertiary Lignites from Cerdana and Valle De Aran (Spanish Pyrenees). |
1957 |
| details |
Early Miocene |
Early Pliocene |
Spain |
Jelgersma,S. Palynological observations of Tertiary Lignites from Cerdana and Valle De Aran (Spanish Pyrenees). |
1957 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Palynological investigations of the Upper Pannonian Brown Coal in the Foot Hills of the Matra Mountains. |
1958 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Pollen-analytical investigation of a Hungarian Pliocene Brown Coal. |
1959 |
| details |
Late Eocene |
|
USSR(Belorussian SSR) |
Manykin,S.S. Stratigraphy of Paleogene and Neogene deposits of Western Belorussia from palynological data |
1960 |
| details |
Late Eocene |
Middle Miocene |
Poland |
Doktorowicz-Hrebnicka,J. Palaeobotanical Bases for the correlation of Brown Coal Seams from the Rogozno deposit near Lodz. Part 2 |
1961 |