Main stages of tectonomagmatic activity of the Tuva–Mongolian microcontinent in the Precambrian: data on the U–Pb age of zircons

E. F. Letnikova, S. I. Shkolnik, F. A. Letnikov, E. A. Karakovskii, Yu A. Kostitsyn, I. A. Vishnevskaya, L. Z. Reznitskii, A. V. Ivanov, A. I. Prochenkin

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The U–Pb age of zircons from Ediacaran sandstones of the cover of the Tuva–Mongolian microcontinent and the rocks of its Early Precambrian basement (Gargan block) was analyzed by the LA–ICP–MS method. The major stages of tectonomagmatic activity of this block include the Neoarchean, Paleoproterozoic (no younger than 2 Ga), and Neoproterozoic. Comparison of the age of zircons from Ediacaran terrigenous rocks of the Tuva–Mongolian microcontinent and sandstones of the reference sections of the Ediacaran shelf of the Siberian platform undeniably indicates their independent accumulation.

Original languageEnglish
Pages (from-to)668-673
Number of pages6
JournalDoklady Earth Sciences
Volume474
Issue number2
DOIs
Publication statusPublished - 1 Jun 2017

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