Geochemical Modeling of Water-Rock Interaction Processes in the Pollino National Park

This work is aimed at reconstructing the water-rock interaction processes controlling geochemical characteristics of shallow or relatively groundwaters Pollino National Park, based on data acquired for 105 water samples from local springs. Reaction path modeling rock dissolution was carried out in a purely stoichiometric mode main lithotypes cropping study area, that is, limestone, Mg-limestone, dolomite, serpentinite, Al-silicate fraction calcschist, and carbonate calcschist. mode, considering rocks interest as materials known stoichiometry unknown thermodynamic properties. Calculations were assuming closed system secondary solid phases whereas an open assumed gases, O2(g) CO2(g). Comparison results analytical Park shows concentrations major solutes, SiO2, Li, Al, Fe different chemical types waters, are explained by pertinent lithotypes. Moreover, detected Cl, F, NO3, SO4 within threshold values recommended WHO.