gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.2.48 Implications of Pseudomorphic Replacement for Reaction-Transport Modeling in Rocks Merino E. Wang Y. Geological Sciences, Indiana University, Bloomington, IN47405, USA Wang Y. Earth & Atmospheric Sciences, Georgia Inst. Technology, Atlanta, GA 30332, USA Nahon D. Lab. Géosciences de l'Environnement, St. Jérôme, Université d'Aix-Marseille III, 13397 Marseille Cedex 13, France August–September 1994 58A 2 599 600 Copyright © 1994, The Mineralogical Society 1994