Abstract
Data on the component composition and acid-base properties of cooling fluid in the systems H2O-CO2, H2O-NaCl, and H2O-rock-forming minerals, which were derived by minimizing the Gibbs free energy, and the evaluated contributions of major fluid components to its acid-base properties suggest that the main reason for the inversion of acid-base properties of magmatic fluids in the fluid-granite system is the opposite tendencies in the changes of the dissociation constants of acidic and basic fluid components in the course of fluid cooling.
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Original Russian Text © V.O. Khudolozhkin, A.S. Kuchma, 2015, published in Petrologiya, 2015, Vol. 23, No. 4, pp. 440–448.
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Khudolozhkin, V.O., Kuchma, A.S. Acid-base properties of cooling magmatic fluid and D.S. Korzhinskii’s “acidic wave” mechanism: Physicochemical simulation results. Petrology 23, 404–411 (2015). https://doi.org/10.1134/S0869591115030029
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DOI: https://doi.org/10.1134/S0869591115030029