Dajing Mine (Dajingzi Mine), Linxi Co., Ulanhad League (Chifeng Prefecture), Inner Mongolia Autonomous Region, China

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大井铜錫多金属矿, 林西县, 赤峰市, 内蒙古自治区, 中国

Large-scale copper-tin-polymetallic ore deposit with Sn, Cu, Pb, Zn, Ag and minor elements such as Co and In, hosted by rocks of the Upper Permian Linxi group (terrigenous lacustrine sedimentary rocks, consisting of sandstone, slate, pelitic-silty slate, medium-to fine-grained graywacke, siderite nodule- and P-siderite nodule-bearing siltstone, and marl), in the southwest part of the Huanggang-Wulanhaote metallogenic belt. Orebodies are mainly developed in the upper part of the marl layer and below the P-bearing horizon. Multiperiodic activities of the host structures system led to a multistage mineralization. Four stages are recognized in the main mineralization: 1) cassiterite-arsenopyrite-quartz stage, 2) cassiterite-sulfide (or Cu-polymetallic mineralization) stage, 3) massive pyrite stage, and 4) galena-sphalerite stage. Wallrock alterations are silicification, sericitization, sideritization, chloritization, tourmalinization, dolomitization, calcitization and fluoritization.

References

- Shigan Huang, Dafu Lin, Ruxun Jiang, and Zheng Shi (1986): The Dajing tin-silver-copper deposit and its formation. Geology and Prospecting 22(6), 28-32.
- De Yao, Henian Li, and Guozheng Duan (1990): The mineralization geochemistry and exploration guides of the Dajing tin-bearing polymetallic deposit in northern Chifeng. Geology and Prospecting 26(2), 5-9.
- Yuhua Xie and Jiayin Zhang (1990): A preliminary study on sulfosalt minerals of silver in a Sn-bearing polymetallic ore deposit, Inner Mongolia. Geology and Prospecting 26(8), 24-29.
- Jianzhong Feng (1992): The isotopic characteristics of polymetallic deposits from Huanggangliang to Meng'entaolegai, eastern Inner Mongolia. Liaoning Geology 6(2), 117-126.
- Yongfu Ai and Guoping Liu (1998): The Study of Chlorite at Dajing Deposit in Inner Mongolia of China. Acta Scientiarium Naturalium Universitatis Pekinensis 44(1), 97-105.
- Yongzheng Wang, Gongjiong Qin, and Qiang Ou (2001): The structure and mineralization of Dajing copper-tin-polymetallic deposit in Linxi, Inner Mongolia. Geology and Prosepcting 37(5), 19-23.
- Wang, Y.W., Wang, J.B., Uemoto, T., and Wang, L.J. (2001): Resource Geology 51(4), 307-320.
- Liu, W., Li, X.J., and Tan, J. (2001): Resource Geology 51(4), 321-331.
- Liqing Zhao, Gongjiong Qin, Shihua Sun, Yuwang Wang, Yongzheng Wang, Anli Zhang, and Yaoming Wang (2002): Features and genesis of the associated gold mineralization in the Dajing tin-polymetallic deposit, eastern Inner Mongolia. Gold Geology 21(3), 7-13.
- Liqing Zhao, Takeshi Uemoto, Gongjiong Qin, Shihua Sun, Yuwang Wang, Yongzheng Wang, Anli Zhang, and Yaoming Wang (2002): Distribution of mineralization elements in Dajing tin-polymetallic deposit, China. Geology and Prospecting 38(4), 22-27.
- Yuwang Wang, Jingbin Wang, Lijuan Wang, Qian Mao, and Neng Jiang (2002): Study on the Silver Minerals of Dajing Deposit, Inner Mongolia. Geological Review 48(5), 526-533.
- Zhou Meifu, Sun Min, and Chu Xuelei (2002): PGE patterns of ores of Dajing Cu-polymetallic deposit in Linxi County, Inner Mongolia: Indicator to source of metallogenic elements. Chinese Science Bulletin 2002(14).
- Liu Wei, Li Xinjun, and Tan Jun (2003): Fluid mixing as the mechanism of formation of the Dajing Cu-Sn-Ag-Pb-Zn ore deposit, Inner Mongolia. Science in China, Series D (Earth Sciences), 46(7), 652-663.
- Wang Lijuan, Wang Jingbin, Wang Yuwang, and Zhu Heping (2004): Ore-forming fluid and mineralization of Caijiaying and Dajing polymetallic ore deposits. Science in China, Series D (Earth Sciences), 47(2), 97-107.
- Yuwang Wang, Jingbin Wang, and Lijuan Wang (2006): Characteristics of tin minerals from Dajing tin-polymetallic deposit, Inner Mongoia, China. Geology and Prospecting 42(4), 51-56.
- Wang, Y.W., Wang, J.B., Wang, L.J., and Chen, Y.Z. (2006): Tin mineralization in the Dajing tin-polymetallic deposit, Inner Mongolia, China. Journal of Asian Earth Sciences 28, 320-331.
- Wang Lijuan, Wang Yuwang, Wang Jingbin, and Günther, D. (2006): Fluid mineralization of the Dajing Sn-polymetal deposit: Evidence from LA-ICP-MS analysis of individual fluid inclusions. Chinese Science Bulletin 51(22), 2781-2788.
- Shuyin Niu, Aiqun Sun, Baode Wang, Jianming Liu, Lijun Guo, Huabin Hu, and Chuanshi Xu (2007): On the metallogenesis of Dajing Cu-Sn-polymetallic ore deposit, Inner Mongolia, China. Chinese Journal of Geochemistry 26(4), 394-401.
- Huiqiong Zhang, Jingbin Wang, Yuwang Wang, Lijuan Wang, Lingli Long, and Zhen Liao (2011): The mineralization and prospecting significance of dykes of Dajing tin-polymetallic deposit, Inner Mongolia. Geology and Exploration 47(3), 344-352.

Mineral List

Acanthite Albite Ankerite Arsenopyrite Azurite Benjaminite Biotite Bornite Bournonite Calcite var: Ferroan Calcite var: Manganoan Calcite Cassiterite Chalcopyrite

'Chlorite Group' Cobaltite Covellite Cubanite Fluorite Freibergite Freieslebenite Galena Hematite 'Hydromuscovite' 'K Feldspar' Limonite Magnetite Malachite

Marcasite Matildite 'Melnikovite' Miargyrite Muscovite var: Sericite Polybasite Pyrargyrite Pyrite var: Arsenian Pyrite Pyrrhotite Quartz Siderite Silver

Skutterudite var: Smaltite Sphalerite var: Marmatite Stannite Stephanite Tennantite Tetrahedrite var: Argentian Tetrahedrite 'Tourmaline' Vikingite Wolframite

53 entries listed. 38 valid minerals.