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As–Sb–Bi–Au mineralization in the Baogutu gold deposit, Xinjiang, NW China


Zheng, B and Zhu, Y and An, F and Huang, Q-Y and Qiu, T, As-Sb-Bi-Au mineralization in the Baogutu gold deposit, Xinjiang, NW China, Ore Geology Reviews: Journal for Comprehensive Studies of Ore Genesis and Ore Exploration, 69 pp. 17-32. ISSN 0169-1368 (2015) [Refereed Article]

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Copyright 2015 2015 Elsevier B.V.

DOI: doi:10.1016/j.oregeorev.2015.01.019


Here we report the occurrence of some uncommon mineral assemblages including pääkönenite, aurostibite, native arsenic, native antimony, and native bismuth found in the Baogutu gold deposit in the western Junggar, Xinjiang, NWChina. The mineralization could be generally subdivided into two types: the gold-bearing quartzvein type mineralization and disseminated mineralization in the wall rocks. The sulfide minerals in gold lodes commonly include pyrite, arsenopyrite, marcasite, and stibnite. However, the L7 lode in No. 4 orebody and the L1 lode in No. 11 orebody of the Baogutu gold deposit are quite different in terms of their mineral assemblages. The L7 lode contains native arsenic–quartz veins in shallow levels and stibnite–quartz veins at depth. Goldbearing minerals (electrum, native gold, and rarely aurostibite) mainly coexist with pääkönenite, stibnite, native arsenic, and native antimony. The crystallization of As- and Sb-bearing minerals was likely to have consumedH2S from the hydrothermal fluid, which probably triggered the precipitation of native gold. The L1 lode consists of several discontinuous sulfide-dominated lensoid orebodies. The massive sulfide ores that produced most of the gold resource are characterized by an intimate association between native bismuth and native gold mineralization.

Item Details

Item Type:Refereed Article
Keywords:native arsenic, native bismuth, paakonenite, Baogutu gold deposit, Xinjiang
Research Division:Earth Sciences
Research Group:Geology
Research Field:Resource geoscience
Objective Division:Mineral Resources (Excl. Energy Resources)
Objective Group:Mineral exploration
Objective Field:Precious (noble) metal ore exploration
UTAS Author:Huang, Q-Y (Mr Qiuyue Huang)
ID Code:100337
Year Published:2015
Web of Science® Times Cited:9
Deposited By:Earth Sciences
Deposited On:2015-05-12
Last Modified:2017-10-30

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