A. Fedotova, Анастасия Федотова, S. Bogdanova, С В Богданова, S. Claesson, С. Клаэссон, M. Anosova, М О Аносова, A. V. Postnikov, А.В. Постников, M. M. Fugzan, М. М. Фугзан, T. Kirnozova, Т. И. Кирнозова
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New data refer to palaeoproterozoic age of the Elabuga deformation zone metamorphism of the Volgo-Uralia, East European Craton
This paper presents age data of the Elabuga zone rocks metamorphism and of the detrital zircon of the Elabuga zone paragneisses and their correlation with the age of Middle-Volga megablock rocks. The Elabuga zone rocks and the Middle-Volga megablock rocks have similar geochemical characteristics and degree of metamorphism. Difference is as follows: Paleoproterozoic metamorphism is occurred at the studied Elabuga zone rocks and such metamorphism age is not presented at the Middle-Volga megablock rocks. The study of U-Pb isotopic system in external zones in the Elabuga deformation zone zircon crystals suggests that rocks were underwent by metamorphism of two stages 1.99 and 1.95 Ga ago.
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