gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.2.40 Stable Isotopic Constraints on Palaeoenvironment, Temperatures and Fluids, from Silica and Carbonate Phases; East Kirkton, West Lothian, Scotland McGill R. A. R. School of the Environment, University of Sunderland, St. Georges Way, Sunderland SR2 7BW Fallick A. E. Scottish Universities Research and Reactor Centre, East Kilbride G75 0QU Hall A. J. Department of Geology and Applied Geology, University of Glasgow, Glasgow G12 8QQ August–September 1994 58A 2 583 584 Copyright © 1994, The Mineralogical Society 1994