| 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 |
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(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 Visean |
|
USSR(Urals) |
Burilova,R.V. Changes in the spore assemblages in the section of the West Urals Coal-bearing Formation as a basis for its subdivision. (In: Palynology of Proterophyte and Palaeophyte.S.N.Naumova, editor) |
1974 |
| details |
Early Carboniferous |
|
USSR(Russian Platform) |
Byvsheva,T.V. Some spore types in type sections of terrigenous layers of the Lower Carboniferous of the Volga-Urals Area). (In: Spore-pollen Complexes and Stratigraphy of the Upper Proterozoic, Paleozoic and Mesozoic of the Volga-Uragarea and Central Asia. A.B.Filimonova and A.D.Archangelskaya, editors) |
1963 |