Skarn-type Cu-Fe deposit, occurring in the northern end of the Majiao-Tonglüshan anticline. The deposit includes 12 ore bodies, associated with an Early Yanshanian hornblende quartz monzodiorite intrusion that forms the northwestern part of the Yangxin batholith. Mineralization is associated with shallow intrusive rocks where contact metamorphism and alteration are extensive. At greater depths, gold-bearing cryptoexplosive breccias were discovered recently. Magnesian and calcic-magnesian skarns, which are particularly well developed at contacts with dolomitic marbles, are the main host rocks of the Cu-Fe mineralization, whereas calcic skarns related to marbles are poorly mineralized.
Ref.:
- Yiming Zhao, Yinan Zhang, and Chengsi Bi (1999): Geology of gold-bearing skarn deposits in the middle and lower Yangtze River Valley and adjacent regions. Ore Geology Reviews 14, 227-249.
- Yuanming Pan and Ping Dong (1999): The Lower Changjiang (Yangzi/Yangtze River) metallogenic belt, east central China: intrusion- and wall rock-hosted Cu-Fe-Au, Mo, Zn, Pb, Ag deposits. Ore Geology Reviews 15, 177-242.
- Ji-Shun Liu, Guang Ma, Guang-Long Shu (2005): Discovery of Cryptoexplosive Breccia Type Cu (-Au) Orebodies in Tonglushan skarn-type Cu-Fe Deposit of Hubei Province and ore-searching Vista. Mineral Deposits [Kuangchuang Dizhi] 24(5), 527-536.
- Yanjing Chen, Huayong Chen, Khin Zaw, Pirajno, F., and Zengjie Zhang (2007): Geodynamic settings and tectonic model of skarn gold deposits in China: An overview. Ore Geology Reviews 31, 139-169.
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Map Reference: 30°6'33"N , 114°52'30"E
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Mineral List:54 entries listed. 41 valid minerals.
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