gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.244 Fractionation of Sm-Nd Isotopes During Weathering of Till Öhlander B. Ingri J. Land M. Divison of Applied Geology, Luleå University of Technology, SE-97187 Luleå, Sweden Andersson P. S. Schöberg H. Laboratory for Isotope Geology, Swedish Museum of Natural History, Box 50007, SE-10405 Stockholm, Sweden 1998 62A 2 1104 1105 Copyright © 1998, The Mineralogical Society 1998