| 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 |
Middle Oligocene |
Early Miocene |
USSR(Yakut ASSR) |
Fradkina,A.F. Palynological characteristic of the Oligocene and Miocene deposits of the Lower-Aldan Depression and adjacent area. (In: Mikrofitofossilii i stratigrafiya Mezozzoya i Kainozoya Sibiri. S.B. Shatskiy, editor) |
1988 |
| details |
Miocene |
|
USSR(Yakut ASSR) |
Fradkina,A.F. et al. Late Oligocene and Miocene flora of the Aldan Basin and its comparison with floras of North-East USSR and Alaska. (In: Cenozoic Flora of Siberia According to Palynological Data. V.N.Sacks and V.S.Volkova, editors) |
1971 |
| details |
Late Miocene |
Early Pliocene |
USSR(Yamalo-Nenets) |
Danilov,I.D. et al. Neogene sediments in Northwestern Siberia |
1975 |
| details |
Maastrichtian |
|
USSR(Yamalo-Nenets) |
Bondarenko,N.M. Palynological basis of stratigraphic differential on of Upper Cretaceous deposits discovered in bore holes from drill cores of the Ob Bay District. (In: Paleontology and Biostratigraphy of the Soviet Arctic. #2. N.A.Shvedov, editor) |
1961 |
| details |
Liassic |
|
W.Germany |
Reissinger,A. Pollen analysis extended to all sedimentary rocks of the geological past. |
1950 |
| details |
Late Neogene |
Pleistocene |
W.Germany(Hesse) |
Herter,G. Palynological research in the Horloff-Graben/ Wetterau in Pliocene/Pleistocene boundary Layers and a (?Prae-Elesterian) Interglacial |
1985 |