gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.3.154 The Geochemistry of Hydrothermal Vent Waters from Milos Island, Hellenic Volcanic Arc Valsami-Jones E. Department of Mineralogy, The Natural History Museum, Cromwell Road, London SW7 5BD, UK Baltatzis E. Magganas A. Department of Geology, National University of Athens, Panepistimiopolis, Ano Ilissia, Athens, 157 84, Greece Bailey E. H. Department of Physiology and Environmental Science, University of Nottingham, Sutton Bonington Campus, Leicestershire, LE12 5RD, UK Alexander J. L. Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, USA Ragnarsdottir K. V. Kemp A. J. Department of Earth Sciences, University of Bristol, Wills Memorial Building, Queens Road, Bristol, BS8 1RJ, UK 1998 62A 3 1565 1566 Copyright © 1998, The Mineralogical Society 1998