| details |
Liassic |
Dogger |
USSR(Kazakh SSR) |
Kovalchuk,G.M. Paleobotanical characteristics of Lower Mesozoic deposits of the Karagandinsk Basin. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 2.) |
1961 |
| details |
Late Liassic |
|
USSR(Kazakh SSR) |
Kovalchuk,G.M. Paleobotanical characteristics of Lower Mesozoic deposits of the Karagandinsk Basin. (In: History of Lower Mesozoic Coal Accumulation in Kazakhstan: Part 2.) |
1961 |
| details |
Liassic |
|
USSR(Urals) |
Faddeeva,I.Z. Palynological characteristics of Lower Mesozoic Coal deposits of Kazakhstan. (In: History of Lower Mesozoic Coal accumulation in Kazakhstan. Part 3) |
1963 |
| details |
Dogger |
|
USSR(Urals) |
Faddeeva,I.Z. Palynological characteristics of Lower Mesozoic Coal deposits of Kazakhstan. (In: History of Lower Mesozoic Coal accumulation in Kazakhstan. Part 3) |
1963 |
| details |
Early Jurassic |
Middle Jurassic |
USSR(Kazakh SSR) |
Vorontsov,V.V. et al. Age of Jurassic Red Beds of the Karaganda Basin. |
1973 |