| details |
Sinian |
|
USSR(Urals) |
Vladimirskaya,E.V. et al. New data on the age of the "Ancient Series" at the Western Slope of the Urals. |
1956 |
| details |
Cambrian |
|
USSR(Kamchatka Oblast) |
Dyakov,B.F. et al. The age of metamorphic rock from the Kamchatka Peninsula |
1956 |
| details |
Late Precambrian |
|
USSR(Lower Amurskaya) |
Spizharsky,T.N. Late Precambrian deposits of the Siberian Platform |
1958 |
| details |
Late Precambrian |
Early Cambrian |
USSR(Yablonov Khrebet) |
Spizharsky,T.N. Late Precambrian deposits of the Siberian Platform |
1958 |