| details |
Late Eocene |
|
USSR(Yakut ASSR) |
Laukhin,S.A. et al. Paleogene stratigraphy on the Lower Reaches of Kolyma River on the palynological data |
1985 |
| details |
Late Eocene |
Early Miocene |
USSR(Siberia) |
Fradkina,A.F. Paleogene and Lower Neogene of Kolymy and the palynological data. (In: Palynostratigraphy of the Mesozoic and Cainozoic of Siberia. V.S.Volkova and A.F.Khlonova, editors) |
1985 |
| details |
Early Pliocene |
|
Canada(Arctic) |
White,J.M. Palynostratigraphy of the Esso et al., Issungnak 0-61 Well, Beaufort Sea. |
1989 |
| details |
Early Pliocene |
Middle Pliocene |
Alaska |
Ager,T.A. et al. Pliocene terrace gravels of the ancestral Yukon River near Circle Alaska; Palynology, paleobotany, paleoenvironmental reconstruction and region correlation. (In: Tertiary Quaternary Boundaries. T.A. Ager et al, editors) |
1994 |
| details |
Early Pleistocene |
|
North Sea |
Cameron,T.D.J. et al. Lower Pleistocene dinoflagellate cyst, Foraminiferal and pollen assemblages in four boreholes in the Southern North Sea |
1984 |
| details |
Early Oligocene |
|
Russia(Yakutia) |
Fradkina,A.F. et al. Region XXIV. The Russian North-East, (Yakuita and the Chukchi Peninsula). (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 |
| details |
Aptian |
Albian |
USSR(Krasnoyarsk Kray) |
Kurnosova,G.N. Spore-pollen complexes from Mesozoic deposits opened up by exploratory boreholes of Belogorsk, Kassa and Eloguisk in the Egion of Krasnoyarsk |
1960 |