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Russian Geology and Geophysics

2013 year, number 7

THE REGULARITIES OF FORMATION OF NOBLEAND RARE-METAL MINERALIZATION IN CENOZOIC CARBONIFEROUS DEPOSITS IN THE SOUTHERN FAR EAST

A.P. Sorokin, V.I. Rozhdestvina, V.M. Kuz’minykh, S.M. Zhmodik, G.N. Anoshin, V.N. Mit’kin
Keywords: Noble metals, trace and rare-earth elements, Cenozoic coaliferous deposits, migration properties

Abstract

We performed system studies of age parageneses and lateral conjugation of peat and gold accumulation areas, as well as the regularities of formation of noble- and rare-metal mineralization in Cenozoic coaliferous deposits in the south of the Russian Far East. The migration properties of noble metals (NMs) and their behavior in different media are considered. Based on literature data and results of experimental studies, we performed analysis and selection of the most optimal methods for the quantitative determination of NMs and trace and rare-earth elements. The experiments have confirmed the NM fugacity and have shown for the first time the scales of transportation of NMs as ultrafine particles during coal combustion. The obtained results significantly expand the notions of the migration properties of NMs and serve as the key to the solution of the problem of NM extraction in analytical and technological processes. Also, areas promising for noble- and rare-metal mineralization have been revealed in coal basins.