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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Issue date
2019-02-15Submitted date
2020-01-22Subject Terms
Satpaev Ti-Zr placer depositPreobrazhensk intrusion
rare-earth elements
East Kazakhstan
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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.1Type
Journal ArticleItem Description
This is an open access article, available to all readers online. The attached file is the published version of the article.ISSN
2224-5278EISSN
2518-170Xae974a485f413a2113503eed53cd6c53
10.32014/2019.2518-170x.1
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