Neoproterozoic granitoids on Wrangel Island


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Abstract

Based on geochronological U–Pb studies, the age of Wrangel Island granitoids was estimated as Neoproterozoic (Cryogenian). Some granitoids contain zircons with inherited cores with an estimated age of 1010, 1170, 1200, and >2600 Ma, assuming the presence of ancient (Neoarchean–Mesoproterozoic) rocks in the Wrangel Island foundation and their involvement in partial melting under granitoid magma formation.

About the authors

M. V. Luchitskaya

Geological Institute

Author for correspondence.
Email: luchitskaya@ginas.ru
Russian Federation, Pyzhevskii per. 7, Moscow, 109017

S. A. Sergeev

Karpinskii Russian Geological Research Institute; Institute of Earth Sciences

Email: luchitskaya@ginas.ru
Russian Federation, Sredny pr. 74, St. Petersburg, 191126; Universitetskaya nab. 7–9, St. Petersburg, 199034

S. D. Sokolov

Geological Institute

Email: luchitskaya@ginas.ru
Russian Federation, Pyzhevskii per. 7, Moscow, 109017

M. I. Tuchkova

Geological Institute

Email: luchitskaya@ginas.ru
Russian Federation, Pyzhevskii per. 7, Moscow, 109017

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