| details |
Late Eocene |
|
W.Germany(Hesse) |
Pflug,H.D. On the age succession and facies correlation of Middle European, (in particular Hessen) Brown Coal. |
1957 |
| details |
Middle Oligocene |
|
Poland |
Grabowska,I. et al. The age and origin of the Torun Clays from the vicinity of Toryn defined on the basis of palynological and lithological observations. (In: Research on Brown Coal Deposits in Poland, volume 5) |
1975 |
| details |
Late Eocene |
|
W.Germany(Hesse) |
Engel,E. On the palynology and stratigraphy of the Borken Brown Coal, (Hessen). |
1987 |
| details |
Late Oligocene |
Early Miocene |
Turkey |
Nakoman,E. Study of the microflora of the Lignites of Agach (Istanbul, Turkey). |
1968 |
| details |
Middle Eocene |
|
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |
| details |
Middle Eocene |
|
Germany(Niedersachsen) |
Pflug,H.D. Palynology and stratigraphy of the Eocene Brown-Coal of Helmstedt. |
1952 |
| details |
Lutetian |
|
Hungary |
Kedves,M. Palynologic stratigraphy of the Eocene deposits of Hungary. |
1963 |
| details |
Middle Eocene |
|
Hungary |
Kedves,M. Palynologic investigations of the Eocene Brown Coal Layers of the Dorog Basin in the Csolnok Region. |
1965 |
| details |
Tertiary |
|
Turkey |
Nakoman,E. Contribution to the palynology of the Tertiary formations of the Thrace Basin. 1. Qualitative study. |
1966 |
| details |
Middle Eocene |
|
Hungary |
KrivЎn-Hutter,E. Palynologic stratigraphy of the Middle Eocene Coal complexes in the Basin area "Borakas" of the Dorog Brown Coal District. |
1961 |
| details |
Middle Oligocene |
|
Poland |
Grabowska,I. The Middle Oligocene age of the Torun Clays, based on the spore and pollen analysis |
1965 |
| details |
Eocene |
|
W.Germany(Hesse) |
Thomson,P.W. et al. Pollen and spores of the Middle European Tertiary. |
1953 |