gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.1.183 Study of Precious Metal Concentrations in Oceanic Sediments Green D. Jarvis I. School of Geological Sciences, Kingston University, Kingstonupon Thames, Surrey KT1 2EE, U.K. Jarvis K. NERC ICP-MS Facility, CARE, Imperial College at Silwood Park (TTC), Buckhurst Road, Ascot, Berkshire SL5 7TE, U.K. Thompson J. Institute of Oceanographic Sciences Deacon Laboratory, Brook Road, Wormley, Godalming, Surrey GU8 5UB 8 1994 58A 1 349 349 Copyright © 1994, The Mineralogical Society 1994