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ZOU Gong-ming, LI Shi-jin, LI Liang, et al. Characteristics of Fluid Inclusions and Ore Genesis of Chuduoqu Pb-Zn Ore Deposit in Tuotuohe Area, Qinghai Province[J]. Northwestern Geology, 2014, 47(4): 256-263.
Citation: ZOU Gong-ming, LI Shi-jin, LI Liang, et al. Characteristics of Fluid Inclusions and Ore Genesis of Chuduoqu Pb-Zn Ore Deposit in Tuotuohe Area, Qinghai Province[J]. Northwestern Geology, 2014, 47(4): 256-263.
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Characteristics of Fluid Inclusions and Ore Genesis of Chuduoqu Pb-Zn Ore Deposit in Tuotuohe Area, Qinghai Province

  • 1. The No.3 Institute of Geology and Minerals Exploration of Qinghai Province, Xining 810029, China;

  • 2. Qinghai Bureau of Geological Survey, Xining 810001, China;

  • 3. College of Earth Sciences, Jilin University, Changchun 130061, China;

  • 4. The No.5 Institute of Geology and Minerals Exploration of Qinghai Province, Xining 810028, China

More Information
  • Received Date: June 18, 2014
  • Revised Date: October 12, 2014
  • Available Online: July 28, 2022
  • Published Date: December 04, 2014
    Graphical Abstract
    • Abstract
  • The Chuduoqu Pb-Zn deposit is a large newly found mineral deposit in Tuotuohe of Qinghai Province. Its ore-bodies occur as veins, controlled by the steep fracture that cut the carbonatite strata. The research of fluid inclusion shows that fluid inclusions are well developed in quartz, mainly in gas-liquid phase. The ore-forming fluid is characterized by medium-low temperature (160-220℃), low salinity (8%-10%NaCl) and low density (0.90-0.95 g/cm3), with pressure of 11 to 13 MPa and depth of 1.1 to 1.3 km. The δD value of the ore-forming fluid is -122.1‰ to -96.4‰ and the δ18OH2O value is 2.1‰ to 9.5‰. Combined with the regional tectonic background, ore-forming characteristics of lead and zinc, fluid inclusions and ore fabrics, this paper summarized that Chuduoqu Pb-Zn deposit is a medium-low temperature hydrothermal vein Pb-Zn deposit controlled by fractures. This conclusion is of great academic and applied significance to improve lead-zinc ore potential in Tuotuohe area.
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    • References (41)
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