build test1 y overwrite hp62ver.dat perplex_option.dat n transformation 2 gridded min n sat phase y sat comp H2O CO2 SiO2 n mob comp CaO MgO FeO Al2O3 n p/t dependent 2 T 600 800 1000 2000 p n specify sat comps n use mass 1.1 1 1 0.9 moles y print n exclude y solutions solution_model.dat F T cAmph(G) title