Sources of Ore Substance of Carbonatite Complexes of the Ural Fold Belt: Rb–Sr and Sm–Nd Isotope Data


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The results of study of the Nd and Sr isotope compositions of the Nb ore minerals (pyrochlore and aeschynite groups) and rocks from the Ilmenogorsk–Vishnevogorsk and Buldym carbonatite complexes of the Ural Fold Belt are presented. It has been established that pyrochlores of the early stages of ore formation and the IVC miaskite-carbonatite rocks have a single substance source corresponding to a mantle moderately depleted source according to isotope parameters. The crustal components, along with mantle, participate in the processes of ore formation within the Buldym complex.

作者简介

I. Nedosekova

Institute of Geology and Geochemistry, Ural Branch

编辑信件的主要联系方式.
Email: vladi49@yandex.ru
俄罗斯联邦, Yekaterinburg, 620016

V. Koroteev

Institute of Geology and Geochemistry, Ural Branch

Email: vladi49@yandex.ru
俄罗斯联邦, Yekaterinburg, 620016

T. Bayanova

Institute of Geology

Email: vladi49@yandex.ru
俄罗斯联邦, Apatity, Murmansk oblast, 184209

B. Belyatsky

Karpinskii Russian Geological Institute

Email: vladi49@yandex.ru
俄罗斯联邦, St. Petersburg, 199106

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