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Laodonggou Mine, Ejin Banner (Ejina Co.), Alxa League (Alashan Prefecture), Inner Mongolia Autonomous Region, China

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Name(s) in local language(s): 老硐沟金矿, 额济纳旗, 阿拉善盟, 内蒙古自治区, 中国
Oxidized-leaching type gold deposit, consisting of pervasively oxidized gold-bearing polymetallic sulfide veins in fracture zones of a dolomite marble around diorite porphyry dykes. The oxidation zone extends to great depths and the ore mainly consists of secondary arsenate minerals containing visible gold and silver. Except for residual galena, the primary sulfide minerals only occur in microscopic quantities.

Mineral List

34 entries listed. 26 valid minerals.

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Dianhao Huang and Baolin Wang (1997): Ore-forming characteristics of Laodonggou oxidized-leached type gold deposit in Ejinaqi. Journal of Precious Metallic Geology 6(2), 93-100.

Daming Bai, Guanghai Liu, and Zhongyao Chang (1998): Exploration of oxidizing-leaching type gold deposit of Laodonggou by VLF-EM method. Geology and Prospecting 34(2), 46-49.

Daming Bai, Fengjun Nie, and Sihong Jiang (2002): Synthetic prospecting methods for Laodonggou oxidizing-leaching type gold deposit. Mineral Deposits 21(suppl.), 573-576 (in Chinese with English title).

Wensong Yu, Changxi Liao, and Guo Chen (2013): Analysis of the genetic types and prospect of Laodonggou gold deposit in Inner Mongolia. Gold Science and Technology 21(2), 24-27 (in Chinese with English abstract).

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