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

S. B. Lobach-Zhuchenko; Sh. K. Baltybaev; V. A. Glebovitsky; S. A. Sergeev; K. O. Lokhov; Yu. S. Egorova; V. V. Balagansky; S. G. Skublov; O. L. Galankina; L. M. Stepanyuk

doi:10.1134/S1028334X17120157

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

Authors: Lobach-Zhuchenko S.B.¹, Baltybaev S.K.¹, Glebovitsky V.A.¹^,2, Sergeev S.A.³, Lokhov K.O.², Egorova Y.S.¹, Balagansky V.V.⁴, Skublov S.G.¹, Galankina O.L.¹, Stepanyuk L.M.⁵
Affiliations:
1. Institute of Geology and Geochronology of the Precambrian
2. St. Petersburg State University
3. Karpinskii Russian Geological Research Institute
4. Geological Institute, Kola Science Center
5. Semenenko Institute of Geochemistry, Mineralogy, and Ore Formation
Issue: Vol 477, No 2 (2017)
Pages: 1391-1395
Section: Geology
URL: https://ogarev-online.ru/1028-334X/article/view/191571
DOI: https://doi.org/10.1134/S1028334X17120157
ID: 191571

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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.