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Potential of the Sm-Nd dating of ore processes using sulphides
Abstract. Researches of greenstone belt associations of late Archaean have allowed to divide all ancient continental formations into three basic groups – protoequatorial, protonorthern and protosouthern extended in the sublatitudinal direction. Greenstone belts of that time naturally varied in space on structure and relative prevalence of volcanic rock according to parameters of the Earth mantle temperature mode. Geochemistry data of the basic metavulcanite ancient convergent zones have confirmed geodynamic states that southern rock associations of late Archaean age were formed in conditions of higher temperatures of the mantle. Komatiite magmas generated in conditions of greater overheat of the Earth mantle were enriched by a number of siderophilic and halkophilic elements, that determined a great number and genetic variety of deposits of gold, nickel and elements of platinum group.
Keywords: sulphides, Sm-Nd method, epsilon, REE, minerals-geochronometers
Printed reference: Serov P.A., Yekimova N.A. Potential of the Sm-Nd dating of ore processes using sulphides // Vestnik of MSTU. 2009. V. 12, No 3. P. -.
Electronic reference: Serov P.A., Yekimova N.A. Potential of the Sm-Nd dating of ore processes using sulphides // Vestnik of MSTU. 2009. V. 12, No 3. P. -. URL: http://vestnik.mstu.edu.ru/v12_3_n36/articles/10_serov.pdf.
