[1] Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A 0E8, Canada
[2] Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NL A1B 3X5, Canada
[3] Department of Earth Sciences, University of Western Ontario, London, ON N6A 5B7, Canada
[4] Departement des Sciences de la Terre and GEOTOP, Université du Québec à Montréal, Station Centre-Ville, Montréal, QC H3C 3P8, Canada
[5] Department of Earth Sciences, University of Windsor, 401 Sunset Avenue, Windsor, ON N9B 3P4, Canada