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Qibaoshan Au-Cu deposit, Qibaoshan, Wulian Co., Rizhao Prefecture, Shandong Province, China

七宝山金铜矿, 七宝山镇, 五莲县, 日照市, 山东省, 中国

Middle scale gold-copper deposit, consisting of an upper gold-bearing breccia pipe and lower copper-bearing stockworks. The deposit is located in a caldera east of the Yishu deep fault, which consists of Early Cretaceous volcanic and subvolcanic rocks (shoshonites and high-K calc-alkaline rocks). The orebodies occur along the periphery of the pipe, and are composed of brecciated rock fragments cemented by specularite and minor amounts of pyrite and quartz.

Mineral List

Aikinite
Anhydrite
Baryte
Bornite
Calcite
Chalcocite
Chalcopyrite
'Chlorite Group'
Copper
Covellite
Digenite
Dolomite
var: Ferroan Dolomite

Emplectite
Galena
Gold
var: Electrum
Gypsum
Hematite
var: Specularite

Kaolinite
'K Feldspar'
'Klaprothite (of Petersen)'
Limonite
Malachite
Marcasite
Molybdenite
Muscovite
var: Sericite

Pyrite
Pyrrhotite
Quartz
Scheelite
Siderite
var: Manganoan Siderite
Silver
Tetrahedrite


34 entries listed. 25 valid minerals.

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References

Detong Qiu and Linggang Kong (1986): Geological and geochemical characteristics of the Qibaoshan breccia pipe gold-copper deposit in Shandong Province. Geology and Prospecting 23(5), 7-12 (in Chinese).

Jian Zhang (1987): Geological fetaures of Qibaoshan Au-Cu deposit in Yishu rift system, Shandong Province. Geology and Prospecting 23(6), 1-7 (in Chinese with English abstract).

Binghuang Zhou (1990): The Qibaoshan hidden explosive breccia pipe: its features and relation to mineralization. Geology and Prospecting 26(5), 26-30.

Qiu Jiansheng, Wang Dezi, Ren Qijiang, and McInnes, B.I.A. (1999): Metallogeny of Shoshonite-Hosted Copper-Gold Deposits in Middle-South Parts of Tancheng-Lujiang Deep Fault Zone and Its Vicinity, Eastern China. Journal of China University of Geosciences 10(1).

Xu Xingwang, Cai Xinping, Qin Dajun, Wang Jie, Liang Guanghe, Zhang Xiaoyun, and Liu Lijin (2000): Fluids double-fracturing genetic mechanism and mineralization of gold-copper of the breccia pipe at Qibaoshan in Shandong Province. Science in China, Series D (Earth Sciences), 43(2), 113-121.

Jiufen Liu, Zhongli Tang, Xiaohuang Liu, Chunxiu Liu, Zhichen Zhang, Lu Xie, and Zhengpeng Zhao (2011): Test on different occurrence states of gold in pyrite and its significance: an example of pyrite from gold mines in the Jiaolai basin. Geology and Exploration 47(5), 823-827 (in Chinese with English abstract).

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