| details |
Late 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 |
Late Bathonian |
Early Callovian |
USSR(Far East) |
Korotkevich,V.D. Palynologic characteristics of the marine Jurassic and Lower Cretaceous sediments discovered in wells of Tyumatine and Ulakhan-Yruakhsk Uchastkakh (Lena-Olenek Region). |
1963 |
| details |
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 |