| original |
Early Oligocene |
|
USSR(Kazakh SSR) |
Zaklinskaya,E.D. Stratigraphic significance of pollen grains of Gymnosperms of the Cenozoic deposits of the Pavlodar Pri-Irtish and the northern Pri-Aral. |
1957 |
| details |
Early Oligocene |
|
USSR(Kazakh SSR) |
Sung,T.C. et al. Early Tertiary spores and pollen grains from the Coastal Region of Bohai. |
1978 |
| details |
Late Eocene |
Middle Oligocene |
USSR(Ukrainian SSR) |
Mikhelis,A.A. et al. The age and correlation of Naglinok of the Dniepr Territory near Kiev from palynological data |
1975 |
| details |
Oligocene |
|
USSR(WSL) |
Volkova,V.S. Variations of climate and history of formation of vegetation in Pliocene-Quaternary time in West Siberia according to Palynologic data |
1966 |
| details |
Early Miocene |
Middle Miocene |
USSR(Urals) |
Li,P.F. et al. Continental deposits of the Paleogene and Neogene of the eastern Slopes of the Urals and Trans-Urals |
1967 |
| details |
Middle Oligocene |
|
USSR(Urals) |
Li,P.F. et al. Continental deposits of the Paleogene and Neogene of the eastern Slopes of the Urals and Trans-Urals |
1967 |
| details |
Early Miocene |
Middle Miocene |
USSR(Trans-Urals) |
Li,P.F. et al. Continental deposits of the Paleogene and Neogene of the eastern Slopes of the Urals and Trans-Urals |
1967 |
| details |
Middle Oligocene |
|
USSR(Trans-Urals) |
Li,P.F. et al. Continental deposits of the Paleogene and Neogene of the eastern Slopes of the Urals and Trans-Urals |
1967 |
| details |
Middle Oligocene |
Late Oligocene |
USSR(Ukrainian SSR) |
Zosimovich,V.Y. A boundary of Oligocene and Miocene in the Boreal Province of the East-European Platform |
1991 |
| details |
Late Oligocene |
Middle Miocene |
USSR(Ukrainian SSR) |
Stotland,A.B. Stratigraphic subdivision and age of Amber-bearing rocks in the northern Slope of the Ukrainian Crystalline Massif according to data of microphytofossil studies |
1990 |
| details |
Late Eocene |
|
USSR(Ukrainian SSR) |
Korallova,V.V. Palynological characteristics of the Mandrik strata of the Upper Eocene in the environs of the City of Dnepropetrovsk |
1975 |
| details |
Middle Miocene |
|
USSR(Yakut ASSR) |
Baranova,Y.P. et al. New data on the Miocene of Mount Mamontovaya (Aldan) |
1970 |
| details |
Oligocene |
|
USSR(Primorsk Kray) |
Barbashinova,V.N. Spore and pollen assemblages of the Uglovski Suite of the Artemovsk Coal Layers |
1971 |
| details |
Neogene |
|
Ukraine |
Mikhelis,A.A. The Neogene spore and pollen assemblages of the Donetz Basin |
1972 |
| details |
Rupelian |
|
Alabama |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |
| details |
Rupelian |
|
Mississippi |
Oboh,F.E. et al. Correlation between Sequoia type pollen and Lower Oligocene transgressive deposits in the eastern Gulf Coast. |
1995 |
| details |
Early Oligocene |
|
Mississippi |
Oboh,F.E. et al. Early Oligocene palynosequences in the eastern Gulf Coast, USA. |
1994 |