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ZHOU Xin, MA Zhi-yuan, Li Ting, et al. Simulation of Geochemical Evolution of Geothermal Beneath the Xianyang City, Shaanxi Province[J]. Northwestern Geology, 2012, 45(2): 139-145.
Citation: ZHOU Xin, MA Zhi-yuan, Li Ting, et al. Simulation of Geochemical Evolution of Geothermal Beneath the Xianyang City, Shaanxi Province[J]. Northwestern Geology, 2012, 45(2): 139-145.

Simulation of Geochemical Evolution of Geothermal Beneath the Xianyang City, Shaanxi Province

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  • Received Date: March 19, 2012
  • Revised Date: May 09, 2012
  • Published Date: June 04, 2012
  • A software for hydrochemical analysis is used to perform the geochemical analysis and flow path simulation of geothermal in Xianyang city.The simulation path directions are respectively west and northwest.The simulation results show that the geothermal water occurred a series of water-rock reaction along the direction of water flow path.The hydrochemistry type of R5-SP2 flow path (western path) changes from Na-HCO3-Cl to Na-Cl.Meanwhile, R6-SP2 flow path (northwest path) direction hydrochemistry type changes from Na-Ca-HCO3-Cl to Na-Cl.The quartz, calcite, dolomite and kaolinite have been precipitated when the geothermal water traverse the flow path, but halite, gypsum, lazurite, albite and fluorite dissolved.In the study area, the geothermal water reaction path simulation described the geothermal water evolutional characteristics from recharge area to discharge area, which revealed that water-rock reaction simulation for the groundwater chemical evolution environment has important significance.
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