| details |
Keuper |
|
USSR(Nenets Nat.Okrug) |
Gorsky,V.P. Recent data on the Triassic deposits of the Pechora Depression |
1960 |
| details |
Triassic |
|
USSR(Kazakh SSR) |
Romanovskaya,G.M. Discovery of angiosperm pollen in the Triassic of the Turgai Depression |
1959 |
| details |
Late Triassic |
Early Jurassic |
USSR(Urals) |
Pokrovskaya,I.M. Pollen analysis |
1958 |
| details |
Triassic |
|
USSR(Siberia) |
Kara-Murza,E.N. Palynological complexes of Mesozoic deposits of northern Siberia |
1957 |
| details |
Middle Jurassic |
|
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 |