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Russian Geology and Geophysics

2001 year, number 10

Analogs of the Sinian complex in the central and northern Tien Shan

V. V. Kiselev
Keywords: Sinian system, Vendian system, Riphean, paleocontinents, Central Asian ocean basin, accretion, rifting
Pages: 1453-1463

Abstract

This paper considers the composition, structure, spatial location, and paleotectonic formation conditions of Precambrian rocks of the Tien Shan and adjacent regions analogous to the Sinian series in China and the Tamian-Vendian strata of the cover of the Russian Platform. A model is proposed for the Precambrian evolution of the Central Asian ocean basin with pre-Sinian accretion and Vendian orogeny. The major events are dated: subduction and continent-marginal volcanism – 830 20 Ma BP, pre-Sinian accretion