| details |
Devonian |
|
USSR(Bashkir ASSR) |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Late Tournaisian |
Visean |
USSR(Bashkir ASSR) |
Valiullina,R.T. et al. The subdivision of the Lower Carboniferous terrigenous strata of Northwestern Bashkiriya according to spore-pollen and mineralogical analysis of the Clay Rocks. |
1961 |
| details |
Visean |
|
USSR(Bashkir ASSR) |
Musin,M.K. et al. Composite geologic section of Lower Carboniferous terrigenous deposits in Northwest Bashkiria |
1962 |
| details |
Early Carboniferous |
|
USSR(Arkhangelsk Oblast) |
Yalysheva,A.A. The age of the Timan Bauxite deposits according to palynological data. (In: Paleomikrofitologicheskie issledovaniya dlya tselei stratigrafii. L.A. Panova, editor.) |
1980 |
| details |
Nd |
|
Nd |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |
| details |
Nd |
|
Nd |
Medvedeva,A.M. Palynological investigation of Petroleum |
1978 |