details |
Jurassic |
|
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |
details |
Tatarian |
|
USSR(Arkhangelsk Oblast) |
Plotnikov,M.A. Tatarian Stage |
1969 |
details |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Kazanian Stage |
1969 |
details |
Late Permian |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Ufimsk Stage |
1969 |
details |
Early Triassic |
Late Triassic |
USSR(Komi ASSR) |
Chalyshev,V.I. et al. Biostratigraphy of the Triassic of the Pechorsk District. |
1966 |
details |
Kungurian |
|
USSR(Kazakh SSR) |
Efremova,G.D. A spore-pollen assemblage as found in the Kungurian deposits of the Western Primugodzhare. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |
details |
Early Kazanian |
|
USSR(Komi ASSR) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
details |
Late Kazanian |
Early Tatarian |
USSR(Komi ASSR) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
details |
Kungurian |
|
USSR(Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
details |
Artinskian |
Kazanian |
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
details |
Kungurian |
|
USSR(Pre-Urals) |
Hart,G.F. The biostratigraphy of Permian palynofloras. |
1970 |
details |
Late Permian |
|
USSR(Komi ASSR) |
Molin,V.A. et al. Palynological characteristic of the Ufimsk deposits in Western Pritiman |
1967 |
details |
Early Permian |
|
USSR(Komi ASSR) |
Molin,V.A. et al. Palynological characteristic of the Ufimsk deposits in Western Pritiman |
1967 |
details |
Induan |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. The boundary of the Permian and Triassic in the Red-Colored deposits of northern Priural |
1965 |
details |
Ufimian |
|
USSR(Komi ASSR) |
Chalyshev,V.I. et al. The boundary of the Permian and Triassic in the Red-Colored deposits of northern Priural |
1965 |
details |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Plotnikov,M.A. Tatarian Stage |
1969 |
details |
Early Triassic |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Vetluzhsk series |
1969 |