| details |
Late Olenikian |
Middle Triassic |
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 |
Middle Jurassic |
|
USSR(Belorussian SSR) |
Markovich,E.M. et al. On the significance of paleobotanical analysis by study of tectonically violated coal-bearing areas, (with the Chervonooziorskaya area, Pripiat Depression, as example). |
1972 |
| details |
Ladinian |
Carnian |
USSR(Urals) |
Tuzhikova,V.I. Lithology and stratigraphy of the Lower Mesozoic deposits of the Urals. (In: The history of the Lower Mesozoic accumulation of Coals in the Urals) |
1973 |
| details |
Late Eocene |
|
USSR(Kazakh SSR) |
Boytsova,E.P. et al. The method of Interregional correlations, Eocene deposits of some Regions of the USSR being an example (according to palyological data). (In: Palynology, Method and Stratigraphy) |
1973 |
| details |
Tatarian |
|
USSR(Nenets Nat.Okrug) |
Entsova,F.I. et al. The boundary between the Permian and Triassic in the North Pre Urals |
1974 |
| details |
Middle Triassic |
Late 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 |
Middle Triassic |
Late Triassic |
USSR(Kazakh SSR) |
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 |
Ladinian |
Rhaetian |
USSR(Taymyr Nat.Okrug) |
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 |
Middle Ladinian |
Late Ladinian |
E.Germany |
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 |
Early Hauterivian |
|
USSR(Taymyr Nat.Okrug) |
Chirva,S.A. et al. Structure and correlation of continental Early Cretaceous Massive of northern Siberia. (In: Stratigraphy of the Lower Cretaceous deposits in the Petroleum and Gas bearing Regions of the USSR. M.S.Mesezhnikov and A.I.Kirichkova) |
1979 |
| details |
Liassic |
Bajocian |
USSR(Kazakh SSR) |
Aliev,M.M. et al. Jurassic continental deposits of eastern Central Asia, (dating, division, correlation). |
1981 |