Fig. 9From: Rocks control the chemical composition of surface water from the high Alpine Zermatt area (Swiss Alps) a Calcium versus hydrogen carbonate; b magnesium versus hydrogen carbonate mmol L−1; CS Ca-SO4 water, CSA Ca-SO4-alkalis water, CC Ca-CO3 water, CCA Ca-CO3-alkalies water, MC Mg-CO3 waterBack to article page