Program for Session 19a

14:30	Keynote: Chemical Equilibria Involving Aqueous Carbon Compounds in Submarine Hydrothermal Systems Seewald J & Reeves E
15:00	Equation of State of Geological FLuids Duan Z
15:15	Thermodynamics of Natural Geothermal Systems Stefansson A
15:30	A Study of Sulfate Mineral Stability in Marine Sediments Using the Whole ODP/IODP Porewater Composition Data Base Hoareau G, Monnin C & Odonne F
15:45	A Methodology to Estimate Pitzer Interaction Parameters Andre L, Lassin A & Azaroual M
16:00	Influence of the Analytical Errors in Geochemical Modeling Programs Bicocchi G, Buccianti A, Montegrossi G & Tassi F
16:15	A Computer Simulation Study of the Thermodynamics of Mixing in the (Ca, Mn)CO₃ Solid Solution Wang Q & de Leeuw N
16:30	Thermodynamic and Structural Stability of (CO₂)n n=2-4: An ab Initio and QTAIM Study Sadjadi S, Butt S & Lemke K

180	Fluid Geochemistry and Surface Alteration Associated with Rhyolitic Rocks, Torfajökull Iceland Björke J, Stefánsson A & Fridriksson T
181	Metal Transport by Geothermal and Volcanic Vapour Kaasalainen H, Stefánsson A, Giroud N & Arnórsson S
182	Pitzer Parametrization Constrained by Density: Application to Natural and Industrial Systems Lassin A, Kervévan C, André L & Azaroual M
183	Thermodynamic Parameters and Hydrochemical Zonality Limantseva OA & Platonova AV
184	Acid Sulfate Alteration of Basalts in Active Geothermal Systems, Krísuvík, Iceland Markusson SH, Stefansson A & Fridriksson T
185	Methylated Naphthalenes in Sediments and Sedimentary Systems: Revised Thermodynamic Properties Based on a of Geochemical and Calorimetric Data Michel P & Richard L
186	Calculated Hydrous Granite Solidi Beyond the Albite-Jadeite Transition Miller D, Caddick M, Hack A & Thompson A
187	An Atomistic Perspective of the Incorporation of Noble Gases and Other Trace Elements into Magmatic Crystals Pinilla C, Davis S, Elliott T, Allan N & Blundy J