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70 lines
1.8 KiB
Plaintext
70 lines
1.8 KiB
Plaintext
TITLE Example 18.--Inverse modeling of Madison aquifer
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SOLUTION 1 Recharge number 3
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units mmol/kgw
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temp 9.9
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pe 0.
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pH 7.55
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Ca 1.2
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Mg 1.01
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Na 0.02
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K 0.02
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Fe(2) 0.001
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Cl 0.02
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S(6) 0.16
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S(-2) 0
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C(4) 4.30
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-i 13C -7.0 1.4
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-i 34S 9.7 0.9
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SOLUTION 2 Mysse
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units mmol/kgw
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temp 63.
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pH 6.61
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pe 0.
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redox S(6)/S(-2)
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Ca 11.28
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Mg 4.54
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Na 31.89
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K 2.54
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Fe(2) 0.0004
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Cl 17.85
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S(6) 19.86
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S(-2) 0.26
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C(4) 6.87
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-i 13C -2.3 0.2
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-i 34S(6) 16.3 1.5
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-i 34S(-2) -22.1 7
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INVERSE_MODELING 1
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-solutions 1 2
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-uncertainty 0.05
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-range
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-isotopes
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13C
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34S
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-balances
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Fe(2) 1.0
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ph 0.1
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-phases
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Dolomite dis 13C 3.0 2
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Calcite pre 13C -1.5 1
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Anhydrite dis 34S 13.5 2
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CH2O dis 13C -25.0 5
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Goethite
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Pyrite pre 34S -22. 2
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CaX2 pre
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Ca.75Mg.25X2 pre
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MgX2 pre
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NaX
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Halite
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Sylvite
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PHASES
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Sylvite
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KCl = K+ + Cl-
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-log_k 0.0
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CH2O
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CH2O + H2O = CO2 + 4H+ + 4e-
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-log_k 0.0
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EXCHANGE_SPECIES
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0.75Ca+2 + 0.25Mg+2 + 2X- = Ca.75Mg.25X2
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log_k 0.0
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END
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