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2023 Vol. 50, No. 6
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CAO Jifei, WENG Kai, Movlanov Jahongir Jurabekovich, Asrorovich Rustamov Akmal, MA Zhongping, LIU Mingyi. 2023. Gold-copper metallogenic characteristics and prospecting potentiality in the Central Tianshan region, Uzbekistan[J]. Geology in China, 50(6): 1731-1744. doi: 10.12029/gc20210226001
Citation: CAO Jifei, WENG Kai, Movlanov Jahongir Jurabekovich, Asrorovich Rustamov Akmal, MA Zhongping, LIU Mingyi. 2023. Gold-copper metallogenic characteristics and prospecting potentiality in the Central Tianshan region, Uzbekistan[J]. Geology in China, 50(6): 1731-1744. doi: 10.12029/gc20210226001
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Gold-copper metallogenic characteristics and prospecting potentiality in the Central Tianshan region, Uzbekistan

  • 1.

    Xi'an Center of Geological Survey, China Geological Survey, Xi'an 710054, Shaanxi, China

  • 2.

    The Center for Geoinnovation Technologies Doctor of Sciences in Geology and Mineralogy, University of Geological Sciences, Tashkent 100060, Uzbekistan

  • 3.

    Institute of Mineral Resources, the State Committee of the Republic of Uzbekistan for Geology and Mineral Resources, Tashkent 100060, Uzbekistan

    • Fund Project: Supported by the projects of China Geological Survey (No.DD20201158, No.DD20190445), National Key Research and Development Plan Project (No.2021YFE0190500) and Shaanxi Natural Science Fund (No.2022KW-19)
More Information
  • Author Bio: CAO Jifei, male, born in 1983, master, senior engineer, mainly engaged in the geological investigation of Central Asia and the law of mineralization; E-mail: caojife2008@163.com
  • Corresponding author: WENG Kai, male, born in 1985, doctor, associate researcher, mainly engaged in regional geological investigation and mineralization law; E-mail: kaikaino1@qq.com 
Received Date:  26 February 2021
Revised Date:  25 July 2021
Publish Date:  25 December 2023
    Abstract

  • This paper is the result of mineral exploration engineering.

     Objective

    The Middle Tianshan metallogenic belt is a crucial supplier of copper, gold, and other key minerals in eastern Uzbekistan. Analyzing the metallogenic characteristics of typical mineral deposits and the regional minerogenetic regularities is of great practical significance for prospecting and investment of Chinese mining enterprises.

     Methods

    This paper systematically collects and sorts out the distribution of key minerals such as copper, gold, uranium and lithium, as well as analyses of the characteristic metallogeny of typical deposits and the regional geochemical anomaly properties related to copper, gold, rare earth, and dispersed elements.

     Results

    The copper deposit is of the porphyry type and is characterized by having symbiotic gold, associated platinum group and rare earth elements. Its metallogenic epoch is during the Late Carboniferous period. The main type of gold deposits is epithermal type, followed by porphyry. The epithermal type gold deposits occurred during the early Permian, while porphyry type gold deposits are mostly concentrated in the late Carboniferous. Some key minerals, such as lithium (volcanic sedimentary type), uranium (volcanic type), and iron (skarn type) are locally produced.

     Conclusions

    The results of 1:1 million geochemical investigation indicate the continues presence of significant geochemical anomalies caused by gold, copper and silver mineralization, as well as evident geochemical anomalies of rare earth and dispersed elements on the periphery of the Angren and Almalyk ore concentration regions. Based on the analysis of regional metallogenic conditions, geochemical characteristics of known ore concentration areas and distribution characteristics of regional geochemical anomalies, it is considered that there is significant potential for prospecting traditional superiority resources like gold, copper and silver around the ore concentration areas in the Middle Tianshan Mountains. This region also holds a favorable potential for mineral resource exploration of rare earth and dispersed elements. Additionally, the areas with significant anomalies represent potential prospecting areas for Chinese mining enterprises to invest.
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