| details |
Oligocene |
|
Hungary |
Kedves,M. et al. Palynologic investigations in the strata of Buda Marl with plant Remarlins. |
1968 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Characteristics of the spore and pollen assemblages from the Upper Eocene Coals in eastern Bulgaria |
1967 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Fossil spores and pollen grains of the Priabonian Coal Basins in Bulgaria and their climatic interpretation. |
1967 |
| details |
Montian |
|
E.Germany(Neubranden.) |
Krutzsch,W. et al. Lower Paleocene (?Montian) in West Brandenburg. |
1960 |
| details |
Miocene |
|
W.Germany(Rhineland) |
Pflug,H.D. Analysis of briquette making properties of seam profiles of the northern Rhineland Browncoal. |
1957 |