Research Article
Research on the Hydrochemistry and Fault Control Mechanism of Geothermal Water in Northwestern Zhangzhou Basin
Table 2
Chemical analysis result of water sample of the NZB (in mg/L, except for pH in standard pH units and T in °C).
| Group | Sample ID | Sample type | | pH | K | Na | Ca | Mg | Cl | SO4 | HCO3 | CO3 | Li | F | SiO2 | Sr |
| G1-1 | CS-1 | Cold spring | 21.8 | 6.75 | 1.82 | 3.88 | 2.33 | 0.18 | 1.75 | 1.83 | 27.51 | 0 | <0.005 | 0.17 | 19.21 | 0.007 | CS-2 | Cold spring | 23.7 | 6 | 0.29 | 0.78 | 0.61 | 0.22 | 1.75 | 3.1 | 9.17 | 0 | <0.005 | 0.11 | 7.25 | 0.004 | CS-3 | Cold spring | 23.2 | 5.89 | 1.65 | 1.86 | 1.1 | 0.28 | 2.8 | 2.57 | 9.17 | 0 | <0.005 | 0.14 | 13.96 | 0.008 | CW-1 | Cold well | 26.9 | 5.94 | 1.51 | 1.76 | 3.2 | 0.71 | 1.75 | 1.86 | 17.12 | 0 | <0.005 | 0.13 | 14.16 | 0.021 | CW-2 | Cold well | 23.3 | 6.72 | 2.27 | 9.65 | 13.81 | 1.63 | 2.45 | 1.06 | 67.25 | 0 | <0.005 | 0.25 | 52.17 | 0.114 | CW-3 | Cold well | 23 | 6.34 | 2.34 | 2.98 | 2.97 | 0.22 | 1.75 | 1.16 | 24.46 | 0 | <0.005 | 0.18 | 23.15 | 0.004 | CW-4 | Cold well | 20.8 | 6.65 | 2.33 | 4.32 | 9.31 | 1.21 | 1.75 | 3.59 | 42.8 | 0 | <0.005 | 0.2 | 19.63 | 0.063 | CW-5 | Cold well | 25.1 | 6.93 | 3.08 | 27.97 | 18.37 | 0.94 | 8.75 | 10.98 | 100.9 | 0 | 0.035 | 2.4 | 48.11 | 0.081 | CW-6 | Cold well | 23.3 | 6.33 | 2.94 | 6.37 | 7.8 | 1.4 | 3.5 | 2.05 | 24.46 | 0 | <0.005 | 0.17 | 28.35 | 0.095 | CW-7 | Cold well | 24 | 5.86 | 5.21 | 2.94 | 5.98 | 0.58 | 9.1 | 0.9 | 6.11 | 0 | <0.005 | <0.10 | 6.08 | 0.038 | CW-8 | Cold well | 27.2 | 6.54 | 2.3 | 9 | 11.46 | 1.46 | 1.75 | 4.82 | 55.03 | 0 | <0.005 | 0.22 | 50.41 | 0.077 | CW-9 | Cold well | 22.8 | 6.68 | 2.77 | 12.89 | 16.54 | 2.36 | 11.9 | 1.24 | 91.71 | 0 | <0.005 | 0.32 | 46.23 | 0.231 | CW-10 | Cold well | 24.8 | 7.31 | 6.29 | 2.02 | 19.13 | 0.34 | 1.75 | 8.73 | 67.25 | 0 | <0.005 | 0.2 | 15.19 | 0.495 | CW-12 | Cold well | 22.6 | 5.92 | 1 | 2.13 | 0.91 | 0.39 | 4.9 | 1.4 | 12.23 | 0 | <0.005 | 0.13 | 14.82 | 0.012 | CW-14 | Cold well | 23.5 | 5.73 | 6.48 | 3.4 | 11.8 | 2.17 | 12.95 | 14.09 | 12.23 | 0 | <0.005 | 0.25 | 12.22 | 0.058 | CW-16 | Cold well | 23.6 | 5.37 | 6.64 | 18.04 | 10.29 | 0.72 | 19.26 | 0.96 | 6.11 | 0 | <0.005 | 0.18 | 7.55 | 0.048 | CW-17 | Cold well | 24.2 | 6.12 | 3.85 | 8.95 | 12.6 | 2.67 | 15.76 | 4.38 | 48.91 | 0 | <0.005 | 0.15 | 20.54 | 0.104 |
| G2 | CW-11 | Cold well | 24.7 | 6.47 | 26.37 | 13 | 16.8 | 5.11 | 15.76 | 32.76 | 42.8 | 0 | <0.005 | 0.14 | 11.75 | 0.086 | CW-13 | Cold well | 25.1 | 6.18 | 21.27 | 20.01 | 12.63 | 2.53 | 33.26 | 12.71 | 33.63 | 0 | <0.005 | 0.22 | 20.59 | 0.148 | CW-15 | Cold well | 23.2 | 6.58 | 15.74 | 8.14 | 23.9 | 3.79 | 12.25 | 26.13 | 48.91 | 0 | <0.005 | 0.2 | 16.07 | 0.165 |
| G1-2 | TS-1 | Thermal spring | 53 | 8.82 | 1.35 | 70.69 | 2.84 | 0.04 | 7 | 36.42 | 70.31 | 21.05 | 0.06 | 11.68 | 67.26 | 0.088 | TS-2 | Thermal spring | 45.5 | 8.9 | 1.11 | 68.62 | 2.97 | 0.05 | 7 | 35.9 | 48.91 | 30.07 | 0.06 | 11.12 | 68.82 | 0.081 | TS-3 | Thermal spring | 45 | 8.79 | 1.64 | 81.8 | 6.14 | <0.013 | 12.25 | 55.61 | 94.77 | 12.03 | 0.07 | 10.1 | 60.59 | 0.14 | TS-4 | Thermal spring | 50.1 | 7.7 | 3.6 | 116.4 | 10.85 | 0.22 | 14.71 | 53.89 | 229.3 | 0 | 0.17 | 13.58 | 81.92 | 0.227 | TS-5 | Thermal spring | 60.2 | 8.57 | 2.55 | 109.2 | 11.17 | 0.19 | 15.06 | 106.2 | 116.2 | 12.03 | 0.02 | 11.24 | 69.23 | 0.259 | TW-1 | Thermal well | 42.1 | 8.85 | 1.26 | 69.98 | 2.87 | 0.03 | 8.75 | 36.44 | 58.08 | 24.05 | 0.06 | 11.47 | 69.18 | 0.079 | TW-2 | Thermal well | 48.4 | 8.8 | 1.31 | 71.71 | 3.46 | 0.05 | 10.5 | 40.85 | 67.25 | 18.04 | 0.05 | 12.32 | 57.81 | 0.096 | TW-3 | Thermal well | 55.8 | 8.4 | 2.51 | 127 | 12.46 | 0.14 | 22.76 | 135.9 | 137.6 | 6.01 | 0.17 | 11.01 | 65.20 | 0.656 | TW-4 | Thermal well | 50.2 | 8.67 | 2.55 | 98.27 | 6.88 | 0.05 | 9.1 | 83.36 | 116.8 | 9.02 | 0.08 | 13.67 | 76.10 | 0.127 | TW-5 | Thermal well | 50 | 9.17 | 1.38 | 86.36 | 3.48 | <0.013 | 15.41 | 52.69 | 67.25 | 18.04 | 0.07 | 12.11 | 62.29 | 0.161 | TW-6 | Thermal well | 65 | 8.45 | 2.08 | 116.2 | 9.25 | 0.07 | 24.51 | 100.4 | 137.6 | 3.01 | 0.12 | 11.75 | 57.16 | 0.389 | TW-7 | Thermal well | 60 | 8.6 | 1.11 | 74.91 | 3.6 | 0.07 | 12.25 | 47.63 | 88.65 | 7.22 | 0.04 | 11.66 | 46.92 | 0.077 |
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