Doklady Earth Sciences

, Volume 482, Issue 1, pp 1157–1160 | Cite as

Vendian Suprasubduction Magmatism in the Southern Urals

  • A. V. RyazantsevEmail author


New data on the Vendian age of the volcanogenic–sedimentary sequence of the Uraltau zone (Southern Urals) were obtained. The U/Pb (SHRIMP-II) isotope age obtained for zircons from rhyolite tuffs is 591.5 ± 3.5 Ma. The sequence under consideration is intruded by Vendian granites and overlain unconformably by Ordovician terrigenous and volcanogenic deposits. The composition of Vendian volcanics and granites testifies that they were formed in a suprasubduction setting at the continental margin, complexes of which are known in the Middle and Northern Urals.


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© Pleiades Publishing, Ltd. 2018

Authors and Affiliations

  1. 1.Geological InstituteRussian Academy of SciencesMoscowRussia

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