| details |
Middle Jurassic |
Early Cretaceous |
USSR(Yakut ASSR) |
Bobrov,A.K. The geological make-up of Yakuts ASSR and its oil gas potential. (In: Geological Symposium #5) |
1960 |
| details |
Middle Triassic |
|
USSR(Chelyabinskaya) |
Tuzhikova,V.I. On the dating of the deposits of the Turinsk phytostratigraphy horizon, Turinsk and Bitkuyevskaya Suites of the Suhoyaksk Region Chelyabinsk Basin. (In: New data on the Triassic stratigraphy of the Paleo-Urals. V.I. Tuzikova and G.N. Papulov, editors) |
1980 |
| details |
Middle Valanginian |
Early Albian |
USSR(Yakut ASSR) |
Vidmin-Lobzin,G.K. et al. Stratigraphical and palynological characteristics of the Lower Cretaceous Coal bearing deposits from the Uele River Basin (Olenek District of the Lena Coal Basin) |
1971 |
| details |
Late Pliocene |
|
USSR(Vologda) |
Smirnova,L.N. et al. New discoveries from the Mesozoic of the Volshoi Romanikhi Basin. |
1960 |