| details |
Devonian |
|
USSR(Bashkir ASSR) |
Medvedeva,A.M. et al. Study of flotation properties of spores and pollen and acritarchae by fine fractionation method. (In: Sporen and Pollen in Oils and Deposits of Oil and Gas-Bearing Regions of the USSR) |
1971 |
| details |
Early Visean |
|
USSR(Urals) |
Sultanaev,A.A. Key sections. (In: Key sections and fauna of the Visean and Namurian Stages of Middle and Southern Urals) |
1978 |
| details |
Early Visean |
Middle Visean |
USSR(European) |
Umnova,N.I. Palynological characteristics of Visean deposits of the Central Region of the Russian Plate. (In: Palinologicheskie issledovaniya Proterozoya i Fanerozoya neftegazonoshykh. T.V. Byvsheva, editor.) |
1980 |
| details |
Early Visean |
|
USSR(Ukrainian SSR) |
Raznitsyn,V.A. Lower Visean of Dnieper-Donets Basin |
1983 |
| details |
Visean |
|
USSR(Permsk Oblast) |
Kuznetsov,Y.I. et al. Visean terrigenous deposits of the Kama Region of Perm. (In: Scientific Substantiation Trends Methods Prospecting Exploration Petroleum Natural Gas within Kama Region Perm. S.A.Shivkov, editor) |
1971 |
| details |
Early Visean |
|
USSR(Permsk Oblast) |
Kutukov,A.V. et al. Stratigraphy, lithology and petroliferous Carboniferous deposits in the section of the Bereznikovsk producing well. (In: Geologiya i Neftegazonoshost Severa Ural-Povolzhya. S.H.Shikhov, editor) |
1973 |
| details |
Visean |
|
USSR(Ukrainian SSR) |
Lukin,A.Y. et al. Bobrikovskiy Unit of the Visean Stage in the Dnieper-Donets Basin |
1976 |