TITLE SOLUTION 1 snow
    units   mmol/l
    Ca      0.0
    Mg      0.0082
    Na      0.0261
    K       0.0153
    Cl      0.0056
    S(6)        0.0167
    Si      0.0
    C       0.0252
SOLUTION 2 Navajo National Monument well
    units   mmol/l
    Ca      0.848
    Mg      0.109
    Na      0.151
    K       0.0274
    Cl      0.0762
    S(6)    0.0284
    Si      0.0933
    C       2.1004
INVERSE_MODELING
    -solutions 1 2
    -uncertainty 0.06
    -phases
        calcite    dis
        dolomite  dis
        gypsum     dis
        An38
        kaolinite
        CO2(g)
        halite
        NaX
        CaX2       force pre
        MgX2       force pre
        KX
    -range
PHASES An38
    Ca.38Na.62Al1.38Si2.62O8 + 5.52H+ + 2.48H2O
            = 0.62Na+ + 0.38Ca+2 + 1.38Al+3 + 2.62H4SiO4
         log_k 0.0  #No log_k, Inverse modeling only
END