| details |
Tertiary |
|
W.Germany(Rhineland) |
Thomson,P.W. et al. A micropalaeontological study of the Rheinland Brown Coal compared to the Liblar / Bezirk Coal. |
1950 |
| details |
Late Pliocene |
|
W.Germany(Hesse) |
Leschik,G. Microbotanic stratigraphic studies of the Upper Pliocene Browncoal from Buchenau (Hunfeld County). |
1951 |
| details |
Tertiary |
|
USSR(Caucasus) |
Gladkova,A.N. Flora of Maikop deposits of northern Caucasus from data of spore-pollen analysis. (In: Palaeobotanical Symposium) |
1953 |
| details |
Oligocene |
|
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |
| details |
Late Eocene |
Early Oligocene |
USSR(Pavlodarskaya) |
Zaklinskaya,E.D. Material on the history of the flora and vegetation of the Paleogene of northern Kazakhstan in the area of Pavlodar Pr-Irtish. |
1953 |
| details |
Oligocene |
Middle Miocene |
W.Germany(N.Rhine) |
Stolz,G. Plant ecosystem of the Rhine Browncoal and their succession in special reference to the Bright Layers. |
1954 |
| details |
Middle Oligocene |
|
USSR(Kazakh SSR) |
Abuzyarova,R.Y. et al. Spore-pollen complex of the Region of Akmola. |
1955 |
| details |
Early Miocene |
|
USSR(Caucasus) |
Gladkova,A.N. Miocene spore-pollen complexes of the eastern Pre-Caucasus |
1956 |
| details |
Late Miocene |
|
USSR(Caucasus) |
Gladkova,A.N. Miocene spore-pollen complexes of the eastern Pre-Caucasus |
1956 |
| details |
Oligocene |
|
USSR(Pre-Baltic) |
Pokrovskaya,I.M. Oligocene spore-pollen complexes of the Pre-Baltic Regions of the USSR. |
1956 |
| details |
Early Oligocene |
|
USSR(Pre-Caucasus) |
Pokrovskaya,I.M. Oligocene spore-pollen complexes in the Pre-Caucasus |
1956 |
| details |
Oligocene |
|
USSR(Urals) |
Agranovskaya,I.A. et al. Oligocene spore-pollen complexes of the northern and Middle Urals |
1956 |
| details |
Miocene |
|
USSR(Primorsk Kray) |
Sedova,M.A. Miocene spore-pollen complexes of several Regions of the Soviet, Far East |
1956 |
| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Early Oligocene |
|
USSR(WSL) |
Ushakova,M.V. et al. Lower Oligocene. (In: Stratigraphy of the Mesozoic and Cenozoic of the Western Siberian Lowlands. V.F.Kozyreva, editor) |
1957 |
| original |
Late Oligocene |
|
USSR(WSL) |
Filippova,E.A. Late Oligocene. (In: Stratigraphy of Mesozoic and Cenozoic Periods of Western Siberian Lowland. E.A.Filippova, editor) |
1957 |
| details |
Late Pannonian |
|
Hungary |
Nagy,E. Pollen research of the Upper Pannonian Brown Coal Layers of the Matra Mountains. |
1957 |