Dear David and Tony, I hope you don't mind me asking you a question on how Prheeqc compares with Solmineq and GAMSpath. I regularly use Phreeqc (and Phrqpitz) for modelling alkaline contaminated and calcitic groundwaters under mine sites and highly saline groundwaters in the SW of Western Austr. (used in gold mining). Estimation of rates of formation of phases is not possible with Phreeqc. And formation of silicates in brines (the saline groundwaters are very old and silicate concentrations are high: up to 50 mg/L Si) is not handled by Phrqpitz. Would you know whether Solmineq and GAMSpath do things that Phreeqc does not. Thanks regards dr Robert Gerritse Geoprocc Pty Ltd 64 Hamer Ave Wembley Downs Australia WA 6019
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