| details |
Late Vendian |
|
USSR(Kirghiz SSR) |
Lopukhin,A.S. Plant microfossils in the oldest deposits of North northern Tien-Shan. (In: The Importance of Palynological Analysis for the Stratigraphic and Paleofloristic Investigations. M.I. Nejshtadt, editor. Papers for the Second International Palynology Conference., Utrecht,1966) |
1966 |
| details |
Riphean |
|
USSR |
Naumova,S.N. Zonal assemblages of Precambrian and Lower Cambrian plant microfossils of Eurasia and their stratigraphic importance. |
1968 |
| details |
Devonian |
Carboniferous |
USSR(Saratov) |
Chepikov,K.R. et al. Spores and pollen in oil, gas, condensates and oil-field waters. (In: Sporen and Pollen in Oils and Deposits of Oil and Gas-Bearing Regions of the USSR.) |
1971 |
| details |
Late Carboniferous |
|
USSR(Turkmen SSR) |
Chepikov,K.R. et al. Spores and pollen in oil, gas, condensates and oil-field waters. (In: Sporen and Pollen in Oils and Deposits of Oil and Gas-Bearing Regions of the USSR.) |
1971 |
| details |
Late Precambrian |
Late Cambrian |
Romania |
Iliescu,V. et al. On the presence of the Lower Cambrian in the East Carpathians: Epimetamorphic Tulghes Series. |
1971 |
| details |
Riphean |
|
USSR(Ukrainian SSR) |
Snezhko,A.M. Discovery of the algae of the Riferites Group in the Krivoy Rog series Upper series |
1973 |
| details |
Late Proterozoic |
|
Romania |
Oniceanu,M. et al. New data on the age of certain Crystaline Formations of the anticline zone of Bretila (Bistrita Mountains). |
1974 |
| details |
Devonian |
Early Carboniferous |
USSR(Belorussian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Permian |
|
USSR(Tatar ASSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
|
USSR(Stavropol Kray) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Nd |
|
Nd |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Nd |
|
Nd |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
Permian |
USSR(Urals) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Jurassic |
|
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |