| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Bronevoy,V.A. et al. Correlation of Oligocene deposits of different facies in Western Kazakhstan. (In: Geology and Useful Fossils from the Turgai Basin) |
1971 |
| details |
Early Eocene |
|
USSR(Kazakh SSR) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Late Eocene |
Oligocene |
USSR(Kazakh SSR) |
Zhezhel,O.N. The boundary between Eocene and Oligocene deposits at North Ustyurt (according to palynological data). (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Middle Oligocene |
Late Oligocene |
USSR(European) |
Pokrovskaya,I.M. Upper Cretaceous and Paleogene spore and pollen assemblages in the European part of the USSR |
1962 |
| details |
Late Eocene |
|
USSR(European) |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| original |
Oligocene |
Miocene |
USSR |
Andreeva,E.M. et al. Palaeopalynology. (Three Volumes: Volume I: Methods. Volume II: Complexes of palynomorphs of the Precambrian-Holocene of the USSR. Volume III: Figures and Plates. Editor-I.M. Pokrovskaya) |
1966 |
| details |
Early Oligocene |
Middle Oligocene |
USSR |
Aristova,K.E. Pollen and microplankton from the Eocene-Oligocene boundary deposits in the Southern Part of the USSR |
1973 |
| details |
Paleogene |
|
Russia(Novosibirsk) |
|
2004 |
| details |
Early Oligocene |
|
Kazakstan |
Tsirelson,B.S. et al. Region XVIII. The Northeastern Turan Platform, (Ustyurt the northern Aral Sea Region). (In: Late Eocene - Early Oligocene Geological and Biotical Events on the Territory of the Former Soviet Union. Part 1: The Regional Geology of the Upper Eocene and Lower Oligocene. V.A.Krasheninnikov and M.A.Akhmetiev, editors) |
1996 |