Fault-Affected Fluid Circulation Revealed by Hydrochemistry and Isotopes in a Large-Scale Utilized Geothermal Reservoir

Figure 1

(a) Location of Bohai Bay Basin (BBB) in China; (b) location of Niutuozhen Uplift in the BBB; (c) location of Xiongxian geothermal sector in the Niutuozhen Uplift (cross section A–A and the color legend are depicted in Figure 2); (d) location of all water samples including cold groundwater and geothermal groundwater.