| original |
Miocene |
|
E.Germany |
Potonie,R. Pollenforms from the Tertiary Brown Coals. |
1931 |
| details |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| details |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| original |
Eocene |
|
W.Germany(Hesse) |
Potonie,R. The microbotany of the Eocene Brown Coal of the Geiseltal. |
1934 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Microbotany of Miocene Brown Coal from the Niederrheinische Bucht |
1934 |
| details |
Miocene |
|
W.Germany(N.Rhine) |
Potonie,R. et al. Microbotany of Miocene Brown Coal from the Niederrheinische Bucht |
1934 |
| details |
Late Oligocene |
Early Miocene |
W.Germany(Rhineland) |
Thompson,P.J. Lower Tertiary elements in the Rhineland Brown Coal and some important stratigraphic pollen forms. |
1949 |
| details |
Late Oligocene |
Early Miocene |
Germany(Baden) |
Thomson,P.W. Fundamentals of pollen and spore microscopy based on an investigation of the main seam of the Rheinisch Brown Coal of Lilar, Neurath, Fortuna and Bruhl. |
1950 |
| details |
Tertiary |
|
W.Germany(Rhineland) |
Thiergart,F. Pollen floras of the Tertiary Brown Coals of the Lower Rhine Valley. |
1950 |
| details |
Miocene |
|
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 |
Chattian |
Aquitanian |
W.Germany(Rhineland) |
Thomson,P.W. et al. On the subdivision of the Tertiary top layers of the Rhineland Brown Coal in the Southern and Middle Part of the Ville-Gaben and the Erft-Graben on micropaleontological Bses |
1951 |
| details |
Late Miocene |
Early Pliocene |
Austria |
Klaus,W. Observations on the palynology of the Hausruck Co |
1952 |
| details |
Early Miocene |
|
W.Germany(N.Rhine) |
Grebe,H. Interrelation between Fusitlayers and pollen content of the Rhine Browncoal. |
1953 |
| 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 |
Oligocene |
|
W.Germany(Hesse) |
Murriger,F. et al. Dating of a Hessische Brown Coal by pollen analysis. |
1955 |
| details |
Early Cretaceous |
|
Canada(Ontario) |
Rouse,G.E. The Disclosure and paleobotanical evaluation of plant microfossils from selected Cretaceous Coal-bearing strata of Canada |
1956 |