gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.1.72 Stable Isotope Exchange Kinetics in the System Calcite ± Co₂ ± H₂O to 700°C, 1000 Bar: The Effect of Fluid Composition Burch T. E. Cole D. R. Chemical and Analytical Sciences Division, Oak Ridge National Laboratory, Bldg. 4500S, MS 6110, Oak Ridge, TN 37831-6110, USA 8 1994 58A 1 132 133 Copyright © 1994, The Mineralogical Society 1994