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Wandongshan Mine, Beiya Au-Cu ore field, Heqing Co., Dali Autonomous Prefecture, Yunnan Province, China

万硐山矿, 北衙金铜多金属矿田, 鹤庆县, 大理白族自治州, 云南省, 中国

Porphyry-style Cu-Au and magmatic Fe-Au ore bodies. The Cu-Au ore bodies are hosted in quartz-albite porphyry intrusions. Ores consist of quartz-sulphide veinlets in the upper parts and disseminated mineralizations in the lower part of the intrusions. Some of the iron-rich zones are associated with gossan resulting from surface weathering of sulphides in porphyry Cu-Au deposits, but there are also some veined Fe ore bodies that are characterized by distinct intrusive features.

This deposit is mined from an open pit.

Mineral List

Albite
'Apatite'
Bornite
Calcite
Chalcocite
Chalcopyrite
'Chlorite Group'
Dolomite
'Garnet'
Hematite
'K Feldspar'
'Limonite'
Magnetite
Muscovite
var: Sericite
'Olivine'
Orthoclase
Pyrite
'Pyroxene Group'
Quartz
'Serpentine Group'


21 entries listed. 12 valid minerals.

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References

Xiao'ou Zhao (1989): Ore-bearing property study of oxidation zone of the Beiya lead deposit, Yunnan. Geology and Prospecting 25(6), 1-8.

Huang Zhilong, Liu Congqiang, Xiao Huayun, Han Runsheng, Xu Cheng, Li Wenbo, and Zhong Kunming (2002): Study on the carbonate ocelli-bearing lamprophyre dykes in the Ailaoshan gold deposit zone, Yunnan Province. Science in China, Series D (Earth Sciences), 45(6).

Xingwang Xu, Xinping Cai, Baolin Zhang, Guanghe Liang, Shijun Du, and Jie Wang (2007): Genetic types and framework model of Beiya gold ore district in western Yunnan. Mineral Deposits 26(3), 249-264 (in Chinese with English abstract).

Xingwang Xu, Xinping Cai, Qibing Xiao, and Peters, S.G. (2007): Porphyry Cu–Au and associated polymetallic Fe–Cu–Au deposits in the Beiya Area, western Yunnan Province, south China. Ore Geology Reviews 31(1-4), 224-246.

Xiaoniu Xiao, Xuehui Yu, Xuanxue Mo, Yong Li, and Xingkai Huang (2011): Geochemical characteristics of metallogenesis in the gold-polymetallic deposit in Beiya, western Yunnan Province. Geology and Exploration 47(2), 170-179.

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