| details |
Early Carboniferous |
|
USSR(Urals) |
Naumova,S.N. The "Vtorogo Baku" Coal. |
1941 |
| details |
Early Visean |
|
USSR(Saratov) |
Loginova,A.M. On the stratigraphy of the Yasnopolyansky Substage of the Saratov-Stalingrad Volga area |
1959 |
| details |
Early Visean |
|
USSR(Stalingrad) |
Loginova,A.M. On the stratigraphy of the Yasnopolyansky Substage of the Saratov-Stalingrad Volga area |
1959 |
| details |
Late Tournaisian |
Middle Visean |
USSR(Ulyanov) |
Loginova,A.M. Stratigraphy of the terrigenous Part of the Lower Carboniferous of the Ulyanovskogo Povolzhya (Okhotnichya and Varvarovsk areas) |
1960 |
| details |
Early Visean |
|
USSR(Moscow Basin) |
Umnova,N.I. et al. On Malinovsky deposits of Lower Carboniferous age on the Southern Limb of Moscow Basin |
1962 |