| 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 |
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 |
Sakmarian |
Artinskian |
USSR(Kazakh SSR) |
Debovich,G.S. On the age and stratigraphic significance of redeposited Carboniferous spores in Lower Permian deposits of the Pre-Caspian. (In: Stratigraphy and Correlation of Sediments Using Palynology Methods. Materials IV All-Union Palynological Conference. G.N.Papulov, editor) |
1983 |
| details |
Early Visean |
|
USSR(Kazakh SSR) |
Kukhtinov,D.A. et al. Carboniferous rock units of the eastern part of the Pricaspian Basin. |
1981 |
| details |
Visean |
|
USSR(Kazakh SSR) |
Kukhtinov,D.A. et al. Carboniferous rock units of the eastern part of the Pricaspian Basin. |
1981 |
| details |
Early Visean |
|
USSR(Permsk Oblast) |
Shcherbakova,M.V. et al. Characteristics of Carboniferous deposits of the northern part of the Kizelovsk Region. (In: Carboniferous Stratigraphy, Fusulinidae and Miospores of the Urals, Svedlovsk. G.N.Papulov et al, editor) |
1980 |
| details |
Early Carboniferous |
|
USSR(Arkhangelsk Oblast) |
Yalysheva,A.A. The age of the Timan Bauxite deposits according to palynological data. (In: Paleomikrofitologicheskie issledovaniya dlya tselei stratigrafii. L.A. Panova, editor.) |
1980 |