Fig. 8From: Fluid flow through the sedimentary cover in northern Switzerland recorded by calcite–celestite veins (Oftringen borehole, Olten)δ18O versus δ34S of sulphate in celestite in comparison with the isotope composition of sulphate in evaporites of different ages in northern Switzerland and Germany as compiled by Balderer et al. (1991). Unless visible, error bars (1σ) are less than the symbol sizeBack to article page