Hydrogeology and Hydrogeochemistry of the Lauria Mountains Northern Sector Groundwater Resources (Basilicata, Italy)

Figure 8

[(Ca²⁺+Mg²⁺)-(HCO₃^–+SO₄²⁻)] vs. (Na⁺-Cl⁻). The investigated water samples are not correlated highlighting that the ion exchange process does not take place.