| details |
Devonian |
|
USSR(Ukrainian SSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
|
USSR(Bashkir ASSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
|
USSR(Kuybyshev) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Devonian |
|
USSR(Saratov) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
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 |
Carboniferous |
Early Carboniferous |
USSR(Ukrainian SSR) |
Golubtsov,V.K. et al. On the discovery of deposits of the Yasnaya Polyana Substage of the Lower Carboniferous in the Chernigov deep well |
1959 |