gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.3.183 Elemental Fractionation in Composite Spinel Iherzolites from Massif Central (France). Constraints on Possible Link Between Cryptic and Modal Metasomatism Wagner C. Lab. Pétrologie, Université Paris 6, CNRS-ESA 7058, 75252 Paris cedex 05, France Deloule E. CRPG-CNRS, UPR A9046, 54501 Vandoenvre-1ès-Nancy cedex, France Chazot G. Dép. Sciences de la Terre, Université Blaise Pascal, UMR 6524, 63038 Clermont-Ferrand cedex, France Vilminot J-C. Lab. Pétrologie, Université Paris 6, Paris, 75252 cedex 05, France 1998 62A 3 1621 1622 Copyright © 1998, The Mineralogical Society 1998