| details |
Kazanian |
|
USSR(Arkhangelsk Oblast) |
Molin,V.A. Kazanian Stage |
1969 |
| details |
Kungurian |
Tatarian |
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 |
Nd |
|
Nd |
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 |
Ufimian |
Tatarian |
USSR(Russian Platform) |
Molin,V.A. et al. Upper Permian spore-pollen assemblages of the northern Russian Platform |
1972 |
| details |
Induan |
|
Barents Sea |
Mиrk,A. et al. Triassic rocks in Svalblard, the Arctic Soviet Islands and the Barents Shelf: Bearing on their correlations. (In: Arctic Geology and Petroleum Potential. T.O.Vorren et al, editors) |
1993 |