| details |
Early Miocene |
|
USSR(Bashkir ASSR) |
Tuzova,L.S. The stratigraphic distribution of spore-pollen complexes and various vegetable debris in the Tertiary deposits of Baskiria. (In: Tertiary Coal bearing deposits in the Central and Southern Districts of Bashkiria) |
1956 |
| details |
Middle Jurassic |
|
USSR(Tuvinskaya A.O.) |
Timofeev,P.P. The age and subdivision of the Jurassic Coal-bearing deposits of Tuva. |
1958 |
| details |
Late Pliocene |
|
USSR(Kamchatka Oblast) |
Geptner,A.G. The age of the Ermanovka and Enemten deposits of Western Kamchatka. |
1961 |
| details |
Aalenian |
Bajocian |
USSR(Uzbek SSR) |
Barkhatnaya,I.N. et al. Spore-pollen characteristics of Jurassic deposits, Western Uzbekistan. (In: Fossil Spores and Pollen of Plants and their Significance for their Stratigraphic Subdivivision of Oil and Gas Bearing Series of Precambrian, Paleozoic and Mesozoic rocks in the European and Central Asian Regions of the USSR. S.V.Semikhatovoi, V.P.Grichuka, and K.A.Bolkhovitina, editors) |
1967 |