| details |
Proterozoic |
|
Nd |
Krylov,I.N. et al. The oldest traces of life on earth. |
1975 |
| details |
Vendian |
|
USSR(Siberia) |
Meyerhoff,A.A. Geology and petroleum fields in Proterozoic and Lower Cambrian Strata, Lena-Tunguska Petroleum Province, Eastern Siberia, USSR. (In: Giant Oil and Gas Fields of the Decade 1968-1978. M.T. Halbouty, editor) |
1980 |
| details |
Late Vendian |
Early Cambrian |
USSR(Siberia) |
Akulcheva,Z.A. et al. The Vendian-Cambrian deposits of the Nokhtuiskii section (the Patomskoe Upland). |
1982 |
| details |
Vendian |
Early Cambrian |
USSR(Yakut ASSR) |
Faizulina,Z.K. et al. Biostratigraphy of the Late Precambrian and Early Cambrian sediments in the Nepsko-Botuobinskii Region |
1982 |
| details |
Vendian |
|
USSR(Yakut ASSR) |
Khomentovskii,V.V. Vendian of the Siberian Platform. (In: The Vendian System. B.S.Sokolov, editor) |
1985 |
| details |
Vendian |
|
USSR(Yakut ASSR) |
Khomentovskii,V.V. Vendian of the Siberian Platform. (In: The Vendian System. B.S.Sokolov, editor) |
1985 |