DOI: 10.5593/SGEM2015/B11/S1.053


M.Omirserikov, K. Dyussembayeva, L. Isayeva, K. Togizov , A. Baisalova
Tuesday 4 August 2015 by Libadmin2015

References: 15th International Multidisciplinary Scientific GeoConference SGEM 2015, www.sgem.org, SGEM2015 Conference Proceedings, ISBN 978-619-7105-31-5 / ISSN 1314-2704, June 18-24, 2015, Book1 Vol. 1, 419-426 pp

Rare earth Shock-Karagay deposit in genetic attitude is a direct analogue of Kundybay field and represented identical square and linear weathering crusts. Rare earths of the weathering crusts are a new geological and industrial type of the rare earths deposits in Kazakhstan.This type of weathering crust with the total content of rare earth elements and yttrium up to 0.1 % at the optimal proportion of yttrium 10% intensively is mined in China. Shock Karagay deposit is confined to large Syrymbetsky rare metal and rare earth ore cluster and this influences its prospects and determines the comprehensive composition of ores (tin, tungsten, tantalum, niobium and rare earths). During the study was found that the underlying granitoids and associated with them quartz porphyry contain fluorite and fluorides in them define concentration of tin and rare earth elements and can serve as a prospecting indicator. Rare earth in weathering crusts of Shock Karagay deposit are present in the following forms: 1) they are sorbed by clays; 2) they are presented in form of the minerals in parent rocks and newly formed minerals; 3) in the form of an isomorphous admixture in the minerals of parent rocks and newly formed minerals.

Keywords: weathering crust, rare earth elements, rare earth minerals

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