A Local Source of Detritus for Rocks of the Ai Formation (Basal Level of the Lower Riphean Stratotype, Bashkir Uplift, Southern Urals): Evidence from U–Pb (LA-ICP-MS) Dating of Detrital Zircons


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Resumo

The results of U–Pb dating of detrital zircons extracted from rocks of the Ai Formation are presented. A provenance-signal of a local source with an age of about 2.07 Ga has been documented, and the effect of the Ordovician magmatic episode on the sedimentary sequence has been revealed.

Sobre autores

T. Romanyuk

Schmidt Institute of Physics of the Earth,
Russian Academy of Sciences

Autor responsável pela correspondência
Email: t.romanyuk@mail.ru
Rússia, Moscow, 123343

N. Kuznetsov

Geological Institute, Russian Academy of Sciences; Schmidt Institute of Physics of the Earth,
Russian Academy of Sciences; Gubkin Russian State University of Oil and Gas (National Research University)

Email: t.romanyuk@mail.ru
Rússia, Moscow, 119017; Moscow, 123343; Moscow, 118881

V. Puchkov

Zavaritsky Institute of Geology and Geochemistry, Uralian Branch of Russian Academy of Sciences

Email: t.romanyuk@mail.ru
Rússia, Ekaterinburg, 620016

N. Sergeeva

Institute of Geology, Ufa Science Center, Russian Academy
of Sciences

Email: t.romanyuk@mail.ru
Rússia, Ufa, 450077

V. Powerman

Institute of the Earth’s Crust, Siberian Branch,
Russian Academy of Sciences; Schmidt Institute of Physics of the Earth,
Russian Academy of Sciences

Email: t.romanyuk@mail.ru
Rússia, Irkutsk, 664033; Moscow, 123343

V. Gorozhanin

Institute of Geology, Ufa Science Center, Russian Academy
of Sciences; Bashkir State University

Email: t.romanyuk@mail.ru
Rússia, Ufa, 450077; Ufa, 450074

E. Gorozhanina

Institute of Geology, Ufa Science Center, Russian Academy
of Sciences

Email: t.romanyuk@mail.ru
Rússia, Ufa, 450077

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