Journal of Chemistry

Research Article

Hydrogeochemical Characteristics and Formation of Low-Temperature Geothermal Waters in Mangbang-Longling Area of Western Yunnan, China

Table 2

Saturation indices of different minerals in geothermal waters.
SampleGS1GS2GS3GS4GS5GS6GS7GS8GS9GS10GS11GS12GS13GS14
Anhydrite−4.07−4.66−3.37−4.52−4.48−4.36−4.8−4.65−4.47−4.69−4.92−4.21−4.36−3.64
Aragonite−0.26−0.34−0.3−2.43−2.24−1.95−2.45−2.38−2.32−2.410.22−2.18−1.86−0.86
Calcite−0.12−0.19−0.16−2.29−2.1−1.81−2.31−2.24−2.18−2.270.36−2.04−1.72−0.72
Chalcedony0.180.280.20.230.260.140.180.090.150.280.180.180.30.08
Chrysotile−5.78−6.25−5.94−15.59−14.3−12.51−15.68−15−12.57−15.55−7.23−12.69−15.7−8.58
CO2−1.07−1.21−1.32−1.87−1.8−1.88−1.86−1.86−2.01−1.7−0.95−1.94−1.34−1.65
Dolomite0.19−0.26−0.18−6.09−5.43−4.53−6.1−6.02−5.07−5.930.3−4.91−5.08−1.87
Gypsum−3.82−4.41−3.12−4.27−4.23−4.11−4.55−4.4−4.22−4.44−4.67−3.96−4.11−3.39
Halite−7.69−8.08−8.4−8.95−8.57−9.08−8.77−9.24−9.35−8.6−7.54−8.67−7.79−8.81
Quartz0.590.690.620.640.680.550.60.50.570.690.590.590.710.5
Sepiolite−3.95−4.1−4.01−10.41−9.49−8.5−10.54−10.82−8.51−10.3−4.92−8.56−10.36−5.97
SiO2 (a)−0.64−0.55−0.62−0.59−0.56−0.68−0.64−0.74−0.67−0.55−0.64−0.65−0.52−0.74
Talc−1.66−1.93−1.7611.37−10.01−8.46−11.54−11.92−8.49−11.23−3.11−8.57−11.34−4.65