| details |
Late Eocene |
Early Oligocene |
USSR(Armenian SSR) |
Zaporozhets,N.I. Palynocomplexes and phytoplankton complexes from the Late Eocene and Oligocene deposits from Zkvazhin #1 (Near Laknzhar, Armenia). (In: Paleoflora and Stratigraphy of the Phanerozoic. M.A.Akhmetev, editor) |
1989 |
| details |
Middle Eocene |
|
Russia(Siberia) |
Laukhin,S.A. et al. Region XXIII. The Siberian platform and its northern and southern framings. (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 |
Late Eocene |
Early Oligocene |
Kazakstan |
Krasheninnikov,V.A. et al. Reference sections of the Eocene - Oligocene boundary strata on the territory of the former Soviet Union. The Northern Ustyurt sections (the Sandal Mountain and Aszeiryk Ravine, Western Kazakhstan). (In: Late Eocene-Early Oligocene geological and Biotical events on the Territory of the Former Soviet Union.Part 2: the regional geology of the Upper Eocene and ower Oligocene. V.A.Krasheninnikov and M.A.Akhmetiev, editors) |
1996 |