Nicole Williamson, University of British Columbia, Vancouver, BC, Canada, Dominique Weis, Department of Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC, Canada, James S Scoates, Univ British Columbia, Vancouver, BC, Canada, Michael O Garcia, Univ Hawaii, Dept. of Earth Sciences, Honolulu, HI, United States and Holly Pelletier, University of British Columbia, Vancouver, Canada