Abstract
An isotopic geochronological study of Russia’s largest Strel’tsovka uranium district has been carried out. Polychronous granite generation, which determined the structure of the pre-Mesozoic basement, had important implications for the formation of volcanotectonic structural elements bearing economic uranium mineralization. The study of U-Pb, Rb-Sr, and Sm-Nd isotopic systems of whole-rock samples and minerals of granitic rocks allowed us to estimate the deportment of these systems in spatially conjugated granite-forming and hydrothermal processes differing in age and gave grounds for revising the age of granites pertaining to the Urulyungui Complex and refining the age of the Unda Complex.
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Original Russian Text © V.N. Golubev, I.V. Chernyshev, A.B. Kotov, E.B. Sal’nikova, Yu.V. Golzman, E.D. Bairova, S.Z. Yakovleva, 2010, published in Geologiya Rudnykh Mestorozhdenii, 2010, Vol. 52, No. 6, pp. 553–571.
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Golubev, V.N., Chernyshev, I.V., Kotov, A.B. et al. The Strel’tsovka uranium district: Isotopic geochronological (U-Pb, Rb-Sr, Sm-Nd) characterization of granitoids and their place in the formation history of uranium deposits. Geol. Ore Deposits 52, 496–513 (2010). https://doi.org/10.1134/S107570151006005X
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DOI: https://doi.org/10.1134/S107570151006005X