Giunta et al. The gravitas of gravitational isotope fractionation revealed in an isolated aquifer Figure 1 Isotope ratios and concentrations co-variations.

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Giunta et al. The gravitas of gravitational isotope fractionation revealed in an isolated aquifer Figure 1 Isotope ratios and concentrations co-variations in the Upper (black diamonds) and in the Lower units (white diamonds). δ37Cl and δ81Br are apparently linearly correlated (R2 = 0.95) throughout the MSS (a). This linear correlation cannot be attributed to mixing between the Upper and Lower porewaters given the absence of inverse correlation with concentrations (b,c). Instead, this correlation is explained by gravitational settling affecting both systems. Errors are 2σ. Figure 1 Isotope ratios and concentrations co-variations in the Upper (black diamonds) and in the Lower units (white diamonds). δ37Cl and δ81Br are apparently linearly correlated (R2 = 0.95) throughout the MSS (a). This linear correlation cannot be attributed to mixing between the Upper and Lower porewaters given the absence of inverse correlation with concentrations (b,c). Instead, this correlation is explained by gravitational settling affecting both systems. Errors are 2σ. Giunta et al. (2017) Geochem. Persp. Let. 4, 53-58 | doi: 10.7185/geochemlet.1736 © 2017 European Association of Geochemistry