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Copper and Tungsten Geochemical Anomalies in Xinjiang-Gansu-Inner Mongolia Border Area and Their Prospecting Significance
详细信息   
摘要


     According to the 1200000 geochemical data of the Xinjiang-Gansu-Inner Mongolia border area, the copper geochemical anomalies are mainly related to the mafic-ultramafic rocks and the porphyry bodies, and the ore-forming elements are of Co-Zn- Cr-Ni-Cu combination; the tungsten geochemical anomalies are mainly related to the intermediate-acid rocks, and the ore-forming elements are of W-Sn-Bi combination. Most of the copper deposits and tungsten deposits in this area have the corresponding element anomalies, suggesting that the geochemical anomalies have important prospecting significance. The authors identified 4 copper geo- chemical provinces, 5 tungsten geochemical provinces, 15 copper regional anomalies and 17 tungsten regional anomalies, among which Shangmaya-Tongshan copper geochemical province, Huangshan-Wutongwozi-Hulubei copper geochemical anomaly belt, Tuwu- Chihu copper regional anomaly, Dahulishan copper geochemical province, Yingzuihongshan tungsten geochemical province, Gubao- quan-Liuyuan tungsten geochemical province and Yingzishan tungsten regioilal anomaly have important ore-prospecting significance.

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