| details |
Middle Triassic |
Rhaetian |
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| details |
Kungurian |
Late Permian |
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |
| details |
Triassic |
|
USSR(European) |
Varyukhina,L.M. Comparison of the Triassic spore assemblages of the northeast of the European part of the USSR with the Coeval assemblages of other regions. |
1974 |
| details |
Liassic |
|
USSR(Urals) |
Faddeeva,I.Z. Palynological characteristics of Lower Mesozoic Coal deposits of Kazakhstan. (In: History of Lower Mesozoic Coal accumulation in Kazakhstan. Part 3) |
1963 |
| details |
Toarcian |
|
USSR(Kazakh SSR) |
Timoshina,N.A. et al. Contemporary significance of palynology in stratigraphy, correlating facialy diverse deposits paleogeograph. Reconstruction. (From results microfossil studies Jurassic study of the east Precaspian). (In: Mikrofitofossilii v neftyanoi geologii. N. A. Timoshina, editor) |
1980 |
| details |
Induan |
|
USSR(Russian Platform) |
Varyukhina,L.M. Spores and pollen of the red-colored coal-bearing Permian and Triassic sediments of the northeastern part of European SSSR. |
1971 |
| original |
Early Jurassic |
|
USSR(Kazakh SSR) |
Faddeeva,I.Z. Part 5. Lower Mesozoic megaspores of the Or-Ilek Region and their stratigraphic significance. (In: Palynological validation of the stratigraphic division of the Lower Mesozoic Coal-bearing deposits of Or'-Ilek Region.) |
1965 |