| 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 |
Early Pliocene |
|
Yugoslavia |
Pantic,N.K. et al. The Lower Pliocene swamp vegetation of the Kolubara Bay and the genesis of the Coal Seam. |
1967 |
| details |
Tertiary |
|
Yugoslavia |
Milakovic,B.B. The stratigraphy of Tertiary deposits at Dragaceva (Central Serbia). |
1967 |
| details |
Paleocene |
|
Texas |
Elsik,W.C. Palynology of a Paleocene Rockdale Lignite, Milam County, Texas. I. Morphology and taxonomy. |
1968 |
| details |
Tertiary |
|
Turkey |
Nakoman,E. Contribution to the study of the Tertiary Micro-Flora of the Lignites of Seyitomer (Turkey) |
1968 |
| details |
Tertiary |
|
Turkey |
Nakoman,E. Contribution to the study of the Tertiary Micro-Flora of the Lignites of Seyitomer (Turkey) |
1968 |
| details |
Early Miocene |
Middle Miocene |
Poland |
Ziembinska-Tworzydlo,M. A palyno-stratigraphic study of Tertiary Brown Coal deposits in the vicinity of Zloczew. |
1968 |
| details |
Middle Paleocene |
Early Eocene |
France(Paris Basin) |
Chўteauneuf,J.-J. et al. Palynologic study of the Paleogene from four Drillings in the Paris Basin (Chaignes, Montjavoult, Le Tillet, Lude). |
1968 |
| details |
Middle Paleocene |
Early Eocene |
France(Paris Basin) |
Chўteauneuf,J.-J. et al. Palynologic study of the Paleogene from four Drillings in the Paris Basin (Chaignes, Montjavoult, Le Tillet, Lude). |
1968 |
| details |
Late Paleocene |
Middle Oligocene |
Poland |
Grabowska,I. Paleogene in Bore Hole Szczecin IG-1 in the light of spore and pollen analysis. |
1968 |
| details |
Sparnacian |
|
France(Paris Basin) |
Gruas-Cavagnetto,C. Palynological study of various Sparnacian Beds in the Paris Basin |
1968 |
| details |
Helvetian |
|
Switzerland |
Meon-Vilian,H. Analysis of pollen and spores from the Helvetian of Imihubel (Berne). |
1968 |
| 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 |
Aquitanian |
|
Yugoslavia |
Sikic,L. et al. The age of the "Upper Oligocene" Brown Coal sediments in the Pregrada area (North Croatia) |
1969 |
| details |
Early Miocene |
Middle Miocene |
Yugoslavia |
Petrovic,M. et al. Biostratigraphic analysis of the fauna and flora in the area of Ugljevik |
1969 |