gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.163 Benthic Foraminiferal Zn/Ca, a New Tracer of Deep Water Palaeocirculation Marchitto T. M.Jr. Curry W. B. Oppo D. W. Woods Hole Oceanographic Institution, Department of Geology & Geophysics, Woods Hole, MA 02543, USA 1998 62A 2 945 946 Copyright © 1998, The Mineralogical Society 1998