Temporal-spatial distribution and ore-forming material source of gold,copper and silver polymetallic ore deposits in the Fuping mantle structure zone |
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Authors: | Baode Wang Shuyin Niu Aiqun Sun Yaming Liu Yan Xie Xiaoping Jiang Yongli Zhao Yincang Gao Fuwang Zhao |
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Institution: | [1]Geological Survey Institute, Shijiazhuang University of Economics, Shijiazhuang 050031, China [2]Shijiazhuang Comprehensive Geological Party, Hebei Provineial Bureau of Geology and Mineral Resource Development and Exploration, Shijiazhuang 050081, China |
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Abstract: | This study was conducted following research on metallogenesis in the Zhangjiajie-Xuanhua and East Hebei mantle branch structure zones. The Fuping mantle branch structure zone is one where Au, Cu and Ag polymetallic ore resources are concentrated in North Hebei. However, there has existed a long-standing controversy on the temporal-spatial distribution of ore resources and their ore-forming material sources. In terms of age dating and the comprehensive analysis of S, Pb, O, C and Si isotopes, it is considered that the temporal-spatial distribution of ore resources in this mantle branch structure zone is obviously controlled by the Fuping mantle branch structure. In space there is developed such a metallogenic pattern as to be Ag, Pb and Zn polymetallic ore deposits with gold appearing inside and copper appearing outside. Metallogenesis is dated mainly at Yanshanian, the ore-forming mate-rials were derived predominantly from the deep interior of the Earth, and ore-forming fluids were derived largely from Yanshanian magmatism. |
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Keywords: | Au Ag polymetallic ore deposit temporal-spatial distribution ore-forming material source Fuping mantle branch structure zone |
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