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    MINERALOGICAL AND GEOCHEMICAL FEATURES OF SATPAEV Ti-Zr PLACER DEPOSIT, EAST KAZAKHSTAN

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    Ertlek-Известия НАН РК 1(433)_ ...
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    Authors
    Suiekpayev, Y
    Sapargaliyev, Y
    Bekenova, G
    Kravchenko, M
    Dolgopolova, Alla cc
    Seltmann, Reimar cc
    Issue date
    2019-02-15
    Submitted date
    2020-01-22
    Subject Terms
    Satpaev Ti-Zr placer deposit
    Preobrazhensk intrusion
    rare-earth elements
    East Kazakhstan
    
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    Abstract
    The data of mineralogical and geochemical studies of Ti-Zr mineral sands and heavy fraction of the mineral concentrate of Placer No. 1 of the Satpaev deposit (East Kazakhstan) are obtained. The mineralogical composition of the mineral sands: quartz, albite, ilmenite, and feldspar; micro-sized crystals of barite, zircon, monazite, a mineral of pyrochlore composition, were identified by electron microprobe. Crystal morphology of ore minerals: ilmenite and zircon and chemical composition of ilmenite were determined. The development of leucoxenization in microcracks and edges of ilmenite crystals have also been revealed. Geochemical features of productive horizons include the apparent enrichment of light rare-earth elements (LREE) in comparison with heavy rare-earth elements (HREE), and pronounced negative Eu anomaly that indicate high degree of fractionation of source rocks. Granitoids of the Preobrazhensk intrusion are the likely source of the Satpaev placer deposit. Results of petrological and geochemical research indicate that localization of ore minerals took place during chemical weathering, which enabled release of ore minerals of titanium and zirconium with their further redeposition in local continental coastal settings in warm and humid climate.
    Citation
    Yertlek Suiekpayev, Yerzhan Sapargaliyev, Galiya Bekenova, Mikhail Kravchenko, Alla Dolgopolova, Reimar Seltmann. MINERALOGICAL AND GEOCHEMICAL FEATURES OF SATPAEV Ti-Zr PLACER DEPOSIT, EAST KAZAKHSTAN. N E W S OF THE NATIONAL ACADEMY OF SCIENCES OF THE REPUBLIC OF KAZAKHSTAN, SERIES OF GEOLOGY AND TECHNICAL SCIENCES. ISSN 2224-5278 Volume 1, Number 433 (2019), 6 – 22 https://doi.org/10.32014/2019.2518-170X.1
    Publisher
    National Academy of Sciences of the Republic of Kazakshtan
    Journal
    NEWS of National Academy of Sciences of the Republic of Kazakhstan
    URI
    http://hdl.handle.net/10141/622720
    DOI
    10.32014/2019.2518-170x.1
    Type
    Journal Article
    Item Description
    This is an open access article, available to all readers online. The attached file is the published version of the article.
    ISSN
    2224-5278
    EISSN
    2518-170X
    ae974a485f413a2113503eed53cd6c53
    10.32014/2019.2518-170x.1
    Scopus Count
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    Earth sciences

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