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U–Pb SHRIMP II age and origin of zircon from lhertzolite of the bug Paleoarchean complex, Ukrainian Shield


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Abstract

Complex study of the U–Pb and Lu–Hf systems of zircon from a lhertzolite lens of Archean gneiss enderbites of the Bug complex, Ukrainian Shield, showed that ultramafic magma was contaminated by the material of the country gneiss enderbites. The age of the zircons of 2.81 ± 0.05 Ga corresponds to the period of ultramafic magmatism within the Bug complex. Previously, this peak of endogenic activity was considered the stage of manifestation of metamorphism and magmatism of mafic composition.

About the authors

S. B. Lobach-Zhuchenko

Institute of Geology and Geochronology of the Precambrian

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034

Sh. K. Baltybaev

Institute of Geology and Geochronology of the Precambrian

Author for correspondence.
Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034

V. A. Glebovitsky

Institute of Geology and Geochronology of the Precambrian; St. Petersburg State University

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034; St. Petersburg, 199034

S. A. Sergeev

Karpinskii Russian Geological Research Institute

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199106

K. O. Lokhov

St. Petersburg State University

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034

Yu. S. Egorova

Institute of Geology and Geochronology of the Precambrian

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034

V. V. Balagansky

Geological Institute, Kola Science Center

Email: sb@ipgg.ru
Russian Federation, Apatity, Murmansk oblast, 184209

S. G. Skublov

Institute of Geology and Geochronology of the Precambrian

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034

O. L. Galankina

Institute of Geology and Geochronology of the Precambrian

Email: sb@ipgg.ru
Russian Federation, St. Petersburg, 199034

L. M. Stepanyuk

Semenenko Institute of Geochemistry, Mineralogy, and Ore Formation

Email: sb@ipgg.ru
Ukraine, Kiev, 03680

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