gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.1.236 Sulphate Reduction in Surface Sediments of the South-East Atlantic Continental Margin (Benguela Upwelling) Ferdelman T. G. Neumann K. Max-Planck-Institute for Marine Microbiology, Celsiusstr. 1, D-28359 Bremen, Germany Fossing H. National Environmental Research Institute, Dept. of Lake and Estuarine Ecology, Vejsoevej 25, P.O. Box 314, DK-8600, Denmark Schulz H. D. Fachbereich (5) Geowissenschaften, University of Bremen, Klagenfurterstrasse, D-28334 Bremen, Germany 1998 62A 1 446 447 Copyright © 1998, The Mineralogical Society 1998