gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.71 Using Glass Inclusions to Investigate a Heterogeneous Mantle: An Example from N- and EMORB-like lavas from Baffin Island Kent A. J. R. Stolper E. M. Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena CA, 91125, USA Woodhead J. Department of Earth Sciences, University of Melbourne, Parkville, VIC, 3052, Australia Hutcheon I. D. Isotope Sciences Division, L-231, Lawrence Livermore National Laboratory, Livermore CA, 94551, USA Francis D. Department of Geological Sciences, McGill University, Montreal, Quebec, H3A 2A7, Canada 1998 62A 2 765 766 Copyright © 1998, The Mineralogical Society 1998