| details |
Early Sparnacian |
|
Bulgaria |
Kedves,M. Palynological investigations into sediments of the Lower Palaeogene Period in Bulgaria. |
1978 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of spore and pollen analysis |
1962 |
| details |
Late Eocene |
Oligocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria |
1977 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Characteristics of the spore and pollen assemblages from the Upper Eocene Coals in eastern Bulgaria |
1967 |
| details |
Eocene |
Miocene |
Bulgaria |
Chernyavska,S. et al. Correlation of the Old Tertiary Basins in Southwest Bulgaria on the basis of the spore and pollen analysis. |
1964 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Fossil spores and pollen grains of the Priabonian Coal Basins in Bulgaria and their climatic interpretation. |
1967 |
| details |
Late Eocene |
|
Bulgaria |
Chernyavska,S. Spore-pollen zones in certain Old Tertiary Coal bearing sediments in Bulgaria. |
1970 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. et al. Palynological characteristic of Oligocene marine Clays from Varna District. |
1968 |
| details |
Priabonian |
Early Oligocene |
Bulgaria |
Ivanov,R. et al. On the age of the Palaeogene volcanic activity in Western Bulgaria according to data of geological, petrographical and palynolgical studies.1. The Palaeogene of the Suhostrel-Pades Are. |
1971 |
| details |
Early Oligocene |
|
Bulgaria |
Ivanov,R. et al. Geological, petrographical and palynological data on the age of the Palaeogene Volcanic activity in Western Bulgaria.3. ThePalogene of Mesta. |
1972 |
| details |
Oligocene |
|
Bulgaria |
Chernyavska,S. On the stratigraphy of Paleogene deposits of Bulgaria, (palynological data). |
1973 |
| details |
Late Eocene |
Oligocene |
Bulgaria |
Chernyavska,S. Palynological studies on Paleogene deposits in South Bulgaria. |
1977 |
| details |
Early Sparnacian |
Early Sparnacian |
Bulgaria |
Kedves,M. Palynological investigations into sediments of the Lower Palaeogene Period in Bulgaria. |
1978 |
| details |
Landenian |
|
Belgium |
Streel,M. et al. Macro and Microplant fossils in litho and biostra of the Senonian-Paleocene, Left Bank of the Meuse, North Belgium. |
1977 |
| details |
Late Rupelian |
|
Belgium |
Roche,E. et al. Palynological analysis of the Boom Clay (Belgium). |
1979 |
| details |
Paleocene |
|
Belgium |
De Coninck,J. et al. Organic-walled microfossils. |
1981 |
| details |
Bartonian |
Rupelian |
Belgium |
Roche,E. et al. Palynological study of the Kallo complex. |
1980 |