| details |
Middle Miocene |
Pliocene |
USSR(Irkutskaya Oblast) |
Sedova,M.A. Miocene spore-pollen complexes of the southeastern Pre-Baikal. |
1956 |
| details |
Miocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Contributions to the stratigraphy of Continental Oligocene and Miocene deposits of the Turgay Depression. |
1954 |
| details |
Late Oligocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. Data on stratigraphy of continental Oligocene and Miocene formations of Turgai Depression. |
1954 |
| 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 |
Late Cretaceous |
Early Paleocene |
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 |
|
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 |
Tertiary |
|
Scotland(Argyll) |
Simpson,J.B. Fossil pollen in Scottish Tertiary Coals. |
1936 |
| details |
Middle Eocene |
|
Colorado |
Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. |
1931 |
| details |
Middle Eocene |
|
Utah |
Bradley,W.H. Origin and microfossils of the oil shales of the Green River Formation of Colorado and Utah. |
1931 |
| details |
Tertiary |
|
W.Germany |
Kirchheimer,F. Browncoal research and pollen analysis |
1930 |