Affiliation: | (1) University of Victoria, School of Earth and Ocean Sciences, PO Box 3055, Victoria, BC, V8W 3P6, Canada;(2) Natural Resources Canada, Geological Survey of Canada, 601 Booth St., Ottawa, ON, K1A 0E8, Canada;(3) Bemex Consulting International Ltd., 5288 Cordova Bay Rd., V8Y 2L4, Victoria, BC, Canada |