gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.270 The Mantle Lithosphere Beneath the Canadian Cordillera: Constraints from Re-Os, Sm-Nd and Lu-Hf Systematics of Xenoliths Peslier A. K. Reisberg L. Ludden J. C.R.P.G.-C.N.R.S., 54501 Vandoeuvre-lès-Nancy, France Francis D. Earth and Planetary Sciences Department, McGill University, H3A 2A7 Montreal, Quebec, Canada Chauvel C. Géosciences, Université Rennes 1, 35042 Rennes, France 1998 62A 2 1155 1156 Copyright © 1998, The Mineralogical Society 1998