| details |
Tatarian |
Induan |
USSR(Urals) |
Tuzhikova,V.I. Miospores and stratigraphy of supporting sections of the Uralian Triassic. (Lower Triassic - Upper Permian Boundary) |
1985 |
| details |
Tatarian |
|
USSR(Russian Platform) |
Molin,V.A. et al. The palynological basis for zonation and correlation of geological sections |
1986 |
| details |
Late Permian |
Early Triassic |
USSR(Kazakh SSR) |
Medvedeva,A.M. et al. Direct evidence for vertical oil migration in the eastern Precaspian. |
1993 |
| details |
Late Kazanian |
|
Russia(Bashkortostan) |
Molostovskaya,I.I. Stratigraphic correlation of the Upper Permian deposits from the South of the Cis-Ural Marginal Trough and the adjacent areas of the Russian Plate |
1997 |