SPOONER, Ian, Department of Earth and Environmental Science, Acadia University, 12 University Avenue, Wolfville, NS B0P 1X0, Canada, PUFAHL, Peir K., Department of Earth and Environmental Science, Acadia University, 12 University Ave, Wolfville, NS B4P 2R6, Canada, BRISCO, Trevor, Department of Earth Science, University of Toronto, Earth Science Centre, 22 Russell St, Toronto, ON M5S 3B1, Canada, MORROW, Jared, Department of Geological Sciences, San Diego State University, 5500 Campanile Drive, 237 GMCS, San Diego, CA 92182-1020, NALEPA, Mariella, Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada and SPRAY, John G., Planetary and Space Science Centre, Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada, ian.spooner@acadiau.ca, ian.spooner@acadiau.ca