| details |
Oligocene |
Early Pliocene |
USSR(Far East) |
Sukhoroslov,V.L. Cenozoic deposits of the Valkarai Lowlands (North Chukchi Coast) |
1978 |
| details |
Oligocene |
Miocene |
USSR(Kamchatka Oblast) |
Fradkina,A.F. Paleogene and Neogene palynology of the Northeastern Asia. (In: Palynology in the USSR. A.F.Chlonova, editor) |
1988 |
| details |
Oligocene |
|
USSR(Krasnoyarsk Kray) |
Tsykin,R.S. et al. Continental Mesozoic and Cenozoic in the northern part of the Yenisey Ridge |
1987 |
| details |
Oligocene |
|
Canada(Arctic) |
Dietrich,J.R. et al. The geology, biostratigraphy and organic geochemist geochemistry of the Natsek E-56 and Edlok N-56 wells Western Beaufort Sea. (In: Current Research, Part G: Frontier Geoscience Program, Arctic Canada) |
1989 |
| details |
Oligocene |
|
USSR(Yakut ASSR) |
Kulkova,I.A. Palynological research of Eocene sediments of Yano-Indirgir Lowland |
1973 |
| details |
Oligocene |
|
Montana |
Hamilton,W. et al. Volcanic rocks of Oligocene age in the southern part of the Madison Range, Montana and Idaho. (In: Geological Survey research 1962, Short Papers in geology, hydrology and topography. Articles 1-59) |
1962 |
| details |
Oligocene |
|
China |
Li,X. et al. The potential for palaeobotany in the explanation of China's plant geography. (In: The Evolution of the East Asian Environment. Volume 2. R.O.Whyte, editor) |
1984 |
| details |
Oligocene |
|
USSR(Yakut ASSR) |
Kartashova,G.G. et al. Oligocene cooling in central Yakutia (Lower Kolyma). (In: Climates of the Earth in the Geological Past. A.A.Velichko and A.L.Chepalyga, editors) |
1987 |
| details |
Oligocene |
|
USSR(Ukrainian SSR) |
Panova,L.A. The Oligocene of the West Siberian Lowland. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| details |
Oligocene |
Late Miocene |
Poland |
Stuchlik,L. Pollen analysis of the Miocene deposits at Rypin, (northwest of Warsaw). |
1964 |
| details |
Oligocene |
|
USSR(Pre-Baltic) |
Boytsova,E.P. et al. Spore and pollen complexes of Paleogene and Neogene deposits of the USSR. |
1960 |
| details |
Oligocene |
Early Miocene |
British Guiana |
Hammen,T.Van Der et al. A palynological study on the Tertiary and Upper Cretaceous of British Guiana. |
1964 |
| details |
Oligocene |
Miocene |
Germany(Brandenburg) |
Raukopf,K. Pollen analysis and fine-stratigraphy of Tertiary Coals of Mecklenburg, Berlin and the Lausitz. |
1959 |
| details |
Oligocene |
Middle Miocene |
USSR(Mountain Altai) |
Petrosyants,M.A. Age and conditions of accumulation of the Saliferous deposits of the eastern-Chuysk Depression |
1966 |
| details |
Oligocene |
Early Miocene |
Washington |
Newman,K.R. Palynology of interflow sediments from the Standard Oil Company of Caltfornia Rattlesnake Hills No.1 Well, Benton County, Washington. |
1969 |
| details |
Oligocene |
|
Caribbean |
Graham,A. Some aspects of Tertiary vegetational history about the Caribbean Basin |
1972 |
| details |
Oligocene |
|
England(Isle of Wight) |
Machin,J. Plant microfossils from Tertiary deposits of the Isle of Wight. |
1971 |