1. Department of Earth Sciences, University of Toronto, 22 Russell Street, Toronto, ON M5S 3B1, Canada.
2. Department of Earth Sciences, Memorial University of Newfoundland, St. John’s, NL A1B 3X5, Canada.
3. Century Iron Mines Corporation, 200 University Avenue, Suite 1301, Toronto, ON M5H 3C6, Canada.
4. Flint Energy Services, Location 120, 176-2257 Premier Way, Sherwood Park, AB T8H 2M8, Canada.