PrefaceEquilibrium, disequilibrium and the steady stateProperties of pure gasesThe fundamental relationshipsPhase equilibria in simple systemsThermodynamics of solutionsCalculation of activities in gas mixtures, minerals and silicate meltsElectrolyte theoryMineral equilibria I - the equilibrium constantMineral equilibria II - chemical potential diagramsMineral equilibria III - oxidation-reduction reactions; Thermodynamic data: measurements and estimationsThermodynamic data: compilation and evaluationGeochemical modellingAppendix A: Units, symbols and fundamental constantsAppendix B: Exact differentials and partial differentiationAppendix C: Derivation of activity relationships for ideal mixing of ions on crystallographic sitesAppendix D: Thermodynamic data for selected aqueous species, minerals and reactions at 25c, 1 barAppendix E: Sources of thermodynamic dataReferencesIndex