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Volume 29 Issue 3
Aug 2018
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Journal of Earth Science  > 2018  >  29(3): 564-572.
Jianping Wang, Zhenjiang Liu, Jiajun Liu, Xiangtao Zeng, Kexin Wang, Bizheng Liu, Huan Wang, Chonghao Liu, Fangfang Zhang. Trace Element Compositions of Pyrite from the Shuangwang Gold Breccias, Western Qinling Orogen, China: Implications for Deep Ore Prediction. Journal of Earth Science, 2018, 29(3): 564-572. doi: 10.1007/s12583-017-0751-7
Citation: Jianping Wang, Zhenjiang Liu, Jiajun Liu, Xiangtao Zeng, Kexin Wang, Bizheng Liu, Huan Wang, Chonghao Liu, Fangfang Zhang. Trace Element Compositions of Pyrite from the Shuangwang Gold Breccias, Western Qinling Orogen, China: Implications for Deep Ore Prediction. Journal of Earth Science, 2018, 29(3): 564-572. doi: 10.1007/s12583-017-0751-7
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Trace Element Compositions of Pyrite from the Shuangwang Gold Breccias, Western Qinling Orogen, China: Implications for Deep Ore Prediction

doi: 10.1007/s12583-017-0751-7
  • 1.

    State Key Laboratory of Geological Processes and Mineral Resources, China University of Geosciences, Beijing 100083, China

  • 2.

    School of Earth Sciences and Resources, China University of Geosciences, Beijing 100083, China

  • 3.

    China National Gold Group Cooperation, Beijing 100011, China

  • 4.

    China Railway Resources Exploration Co. Ltd., Beijing 100039, China

More Information
  • Corresponding author: Jianping Wang, jpwang@cugb.edu.cn
  • Received Date: 25 Feb 2016
  • Accepted Date: 30 Apr 2016
  • Publish Date: 01 Jun 2018
    Abstract
  • The Shuangwang gold deposit, located in the Fengxian-Taibai fore-arc basin in the western Qinling Orogen of Central China, has yielded over 70 tons of gold. It is an orogenic gold deposit occurring in an NW-trending breccia belt. Most of the ores are hydrothermal breccia type containing fragments of adjacent strata cemented by ankerite and pyrite. Pyrite is the most abundant metallic mineral and the major gold-bearing mineral in the ores. A total of 58 pyrite samples from main ore bodies of the Shuangwang gold deposit have been analysed for 44 trace elements by HR-ICP-MS. Sb, Ba, Cu, Pb, Zn, Bi, Mo, Co are selected as indicator elements to investigate the potential usefulness of trace elements in pyrite as an indicator in gold exploration. The results show that the supra-ore halo elements Sb and Ba, which may have been more active than other near-ore halo elements and sub-ore halo elements, are best to characterize the shape of ore bodies. Five target areas are pointed out for deep ore exploration based on a comprehensive study of supra-ore, near-ore and sub-ore halos. This study provides evidence that trace elements in pyrite can be used to depict the deep extension of ore bodies and to vector towards undiscovered ore bodies.

     

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