Assessment of Chaves Low-Temperature CO₂-Rich Geothermal System (N-Portugal) Using an Interdisciplinary Geosciences Approach

Figure 5

Cl⁻ vs. Na⁺ for the studied waters. The dashed line stands for a concentration trend from the regional dilute groundwaters towards the high mineralized waters. Figure 5 is reproduced from Marques et al. (2006) [under the Creative Commons Attribution License/public domain].