BISHOP, Brendan, Department of Geology, University of Regina, 3737 Wascana Parkway, Regina, SK S4S 0A2, Canada; Saskatchewan Geological Survey, Saskatchewan Ministry of Energy and Resources, 201 Dewdney Avenue E, Regina, SK S4N 4G3, Canada, JENSEN, Gavin, Saskatchewan Geological Survey, Saskatchewan Ministry of Energy and Resources, 201 Dewdney Avenue E, Regina, SK S4N 4G3, Canada, ALESSI, Daniel, Earth and Atmospheric Science, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada and ROBBINS, Leslie, Department of Geology, University of Regina, 3737 Wascana Parkway, Regina, SK S4S 0A2, Canada