gsminmag Mineralogical Magazine Mineralogical Magazine 0026-461X Mineralogical Society 10.1180/minmag.1998.62A.2.06 Geochemical Evidence for Plume-Arc Interaction in the Generation of the Proto Continental Superior Province Hollings P. Kerrich R. Department of Geological Sciences, University of Saskatchewan, Saskatoon, Saskatchewan, S7N 5E2, Canada Wyman D. Centre for Teaching and Research in Strategic Mineral Deposits, Department of Geology, The University of Western Australia, Nedlands 6009, Australia 1998 62A 2 645 646 Copyright © 1998, The Mineralogical Society 1998