gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.1.150 Comparison between Actual and Theoretical Dissolution Rates in a Granite-Water Interaction Experiment at 180°C and 14 Bar Fouillac C. DR/GPC, BRGM, BP 6009 Orléans Cedex 2, France Azaroual M. CRSCM (CNRS), IA, Rue de la Ferollerie, 45071 Orléans Cedex 2, France 8 1994 58A 1 286 287 Copyright © 1994, The Mineralogical Society 1994