Hydrogeochemical Characteristics of Groundwater at the Xikuangshan Antimony Mine in South China

摘要: The hydrogeochemical influence of the Xikuangshan antimony mine on groundwater quality was investigated by analyzing from 24 springs in area for major and trace elements. samples had a pH 7.6–8.5; total dissolved solids ranged 125 to 607 mg/L. dominated alkaline earths (Ca2+ + Mg2+) over alkalies (Na+ + K+), weak acids $$\left( {{\text{HCO}}_{ 3}^{ - } \right)$$ strong {{\text{SO}}_{4}^{2 + {\text{Cl}}^{ . Calcite generally supersaturated gypsum always undersaturated, while dolomite undersaturated 34 % samples. Iron negatively correlated with Ca2+, Mg2+, $${\text{SO}}_{ 4}^{ 2- }$$ , which is consistent Fe removal during acid buffering. Scatter diagrams correlation coefficients between ions indicate dissolution carbonates as processes, could promote calcite precipitation.