ISSN 1009-6248CN 61-1149/P 双月刊

主管单位:中国地质调查局

主办单位:中国地质调查局西安地质调查中心
中国地质学会

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    中国新疆–中亚地区铅锌矿成矿单元划分及其意义

    Division of Metallogenic Units and Its Significance of Lead-Zinc Deposits in Xinjiang, China to Central Asia

    • 摘要: 中国新疆–中亚地区地处卡拉库姆–塔里木克拉通以北,隶属全球三大构造域之一的古亚洲洋构造域。该区域地理位置独特,铅锌、铜、金、稀土、锂等矿产资源丰富,近年来已成为中国开展国际矿业合作的重要区域。笔者以“多岛弧盆系”构造模式为指导,在构造单元划分基础上,系统梳理了中国新疆–中亚地区铅锌矿的时空分布、成矿背景及矿床类型,开展了三级成矿单元的划分,共划分出阿尔泰(–兴蒙)、哈萨克斯坦–天山两个成矿省,阿尔泰、塔尔巴哈台–西准噶尔、莫因特–巴尔喀什–中天山、图尔盖–塔拉斯4个成矿带,南阿尔泰、萨雷扎尔–扎尔马、卡拉索尔–莫因特–伊犁、巴彦乌拉尔–热尔套山–中天山、卡拉套、布坎套–吉尔吉斯山6个成矿亚带。在前人研究基础上,进一步剖析了各成矿亚带的成矿特征与典型矿床,结合古亚洲洋演化过程,探讨区域铅锌成矿作用,以期为新疆及境外铅锌矿的对比研究和勘查提供有益参考。

       

      Abstract:
      The Xinjiang (China) to Central Asia region is located north of the Karakum-Tarim Craton and belongs to the Paleo-Asian Ocean tectonic domain, one of the world's three major tectonic domains. Distinguished by its unique geographical setting, this region is rich in mineral resources such as lead, zinc, copper, gold, rare earth, and lithium, and has become an important area for China's international mining cooperation in recent years. Guided by the "multi-island arc-basin system" tectonic model, this paper systematically summarizes the trmporal-spatial distribution, metallogenic setting and deposit types of lead-zinc deposits in the Xinjiang (China) to Central Asia region on the basis of tectonic unit division and carries out the division of
      three-level metallogenic units. A total of 2 metallogenic provinces are distinguished: Altai(-Xing’an Mongolia) and Kazakhstan-Tianshan; 4 metallogenic belts are Altai, Taerbahatai-West Junggar, Moint-Balkhash-Middle Tianshan and TurgayTalas; and 6 metallogenic subbelts are South Altai, Saryzhal-Zharma, Karasor-Moint-Yili, Bayan Uul- Zheirtau-Middle Tianshan, Karatau and Bukantau-Kyrgyz Mountain. Building on previous research, this paper further analyzes the metallogenic characteristics and typical deposits of each subbelt and discusses regional lead-zinc mineralization in combination with the tectonic evolution of the Paleo-Asian Ocean, aiming to provide a useful references for the comparative study and exploration of lead-zinc deposits in Xinjiang and adjacent overseas areas.

       

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