| details |
Givetian |
|
USSR(Komi ASSR) |
Yalysheva,A.A. Palynological bases for the Middle Devonian age of Sublaterite ore-bearing formations of Timan. (In: Spores and pollen of Phanerozoic deposits. L.A. Panova et al, editors) |
1984 |
| details |
Early Famennian |
|
USSR(E.Kazakh Oblast) |
Ponomarev,E.S. New data on the age of Ore-Bearing Strata of the Nikolayev deposit, Rudny Altai. |
1988 |
| details |
Frasnian |
|
USSR(Kaliningrad) |
Yalysheva,A.A. Palynostratigraphy of Devonian deposits. (In: Practical Palynostratigraphy. L.A. Panova et al, editors) |
1990 |