STEELE-MACINNIS, Matthew1, BAIN, Wyatt2, TORNOS, Fernando3, HANCHAR, John4, PIETRUSZKA, Dorota4 and LEHMANN, Bernd5, (1)Dept of Earth and Atmospheric Sciences, University of Alberta, Edmonton, AB T6G 2E3, Canada, (2)Department of Geology, Lakehead University, 955 Oliver Rd, CB 4064, Thunder Bay, ON P7B 5E1, Canada, (3)Instituto de Geociencias (IGEO, CSIC-UCM), Dr Severo Ochoa, 7, Madrid, 28040, Spain, (4)Department of Earth Sciences, Memorial University of Newfoundland, St. John's, NF A1B 3X5, Canada, (5)Technical University of Clausthal, Adolph-Roemer-Str. 2a, Clausthal, 38678, Germany