| details |
Proterozoic |
|
Nd |
Krylov,I.N. et al. The oldest traces of life on earth. |
1975 |
| details |
|
|
India |
Ghosh,A.K. Growth of palaeobotany in relation to biostratigraphy of India. |
1979 |
| 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 |
Sinian |
|
China(Yunnan) |
Cao,R. et al. Sinian System of Wangjiawan Section in Jinning County, Yunnan. (In: Proceedings of the Conference: Research on Precambrian Geology; Sinian Suberathen in China.) |
1980 |
| details |
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(Khabarovsk Kray) |
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 |