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2023 Vol. 56, No. 2
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Article navigation > Northwestern Geology > 2023 > 56(2): 187-202
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JIANG Hanbing, YANG Hequn, ZHAO Guobin, TAN Wenjuan, WEN Zhiliang, LI Zonghui, GU Pingyang, LI Jianqiang, GUO Peihong, WANG Yonghe. 2023. Discussion on the Metallogenic Regularity in West Qinling Metallogenic Belt, China. Northwestern Geology, 56(2): 187-202. doi: 10.12401/j.nwg.2023012
Citation: JIANG Hanbing, YANG Hequn, ZHAO Guobin, TAN Wenjuan, WEN Zhiliang, LI Zonghui, GU Pingyang, LI Jianqiang, GUO Peihong, WANG Yonghe. 2023. Discussion on the Metallogenic Regularity in West Qinling Metallogenic Belt, China. Northwestern Geology, 56(2): 187-202. doi: 10.12401/j.nwg.2023012
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Discussion on the Metallogenic Regularity in West Qinling Metallogenic Belt, China

  • Xi’an Center of China Geological Survey, Xi’an 710054, Shaanxi, China

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Received Date:  11 July 2022
Revised Date:  23 November 2022
Publish Date:  20 April 2023
    Abstract

  • The West Qinling metallogenic belt (Ⅲ-28) has discovered 59 minerals, including 4 energy minerals, 28 metal minerals, 25 non–metal minerals, and 2 aqueous and gaseous minerals; 675 various mineral orefield have been discovered, including 8 super-large, 31 large, 80 medium, 276 small, and 280 mineral occurrences. Mineralization intensity by West Qinling metallogenic sub–belt: Guide–Xihe–Fengxian metallogenic sub–belt (Ⅳ-28①) ＞ Xinghai–Luqu–Huixian metallogenic sub–belt (Ⅳ-28②) ＞ Diebu–Wudu–Liuba metallogenic sub–belt (Ⅳ-28③) ＞ Maqu–Jiuzhaigou–Sanhe metallogenic sub–belt (Ⅳ-28④) . Mineralization intensity by geological age: Mesozoic (Mz) ＞ Late Paleozoic (Pz2) ＞ Cenozoic (Cz) ＞ Early Paleozoic (Pz1). Based on the principle of full coverage of mineral species and deposit types, this paper identifies 11 deposit metallogenic series, 20 deposit metallogenic subseries and 66 deposit types in the West Qinling metallogenic belt; establishes a regional metallogenic model for the West Qinling metallogenic belt based on the comprehensive diagram of metallogenic age–metallogenic action–tectonic environment of deposit metallogenic subseries. The dynamics of metallogenic evolution of the West Qinling mineralization belt is dominated by endogenous dynamics and secondary by exogenous dynamics. The most advantageous geodynamic setting for the West Qinling mineralization belt is the gradual extensional rifting of the Variscan and the intense extrusion orogeny of the Indosinian.

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