gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1994.58A.2.184 The Origin of Typical NMORB: The Evidence from a Melt Inclusions Study Sobolev A.V. Vernadsky Institute of Geochemistry, Russian Ac. Sc., Moscow 117975, Kosygin str. 19, Russia; E-mail geochem@glas.apc.org Shimizu N. Woods Hole Oceanographic Institution, Woods Hole, MA 02543, USA August–September 1994 58A 2 862 863 Copyright © 1994, The Mineralogical Society 1994