  PRIMARY_SPECIES
    H+
    HCO3-
    Ca++
  /
  SECONDARY_SPECIES
    OH-
    CO3--
    CO2(aq)
    CaCO3(aq)
    CaHCO3+
    CaOH+
  /
  PASSIVE_GAS_SPECIES
    CO2(g)
  /
  MINERALS
    Calcite
  /
  DATABASE ../../../database/hanford.dat
  LOG_FORMULATION
#  OPERATOR_SPLITTING
  ACTIVITY_COEFFICIENTS TIMESTEP
  OUTPUT
    MINERALS
    MINERAL_SATURATION_INDEX
  /
