Justin Vincent Strauss, Dartmouth College, Department of Earth Sciences, Hanover, NH, United States, Erik A Sperling, Stanford University, Geological Sciences, Stanford, CA, United States, Tyler J Allen, Dartmouth College, Earth Sciences, Hanover, United States, Nicholas James Tosca, University of Oxford, Department of Earth Sciences, Oxford, United Kingdom, Tiffani Fraser, Yukon Geological Survey, Whitehorse, YT, Canada, Michael Melchin, St. Francis Xavier University, Antigonish, NS, Canada and Brian P Jackson, Dartmouth College, Earth Sciences, Hanover, NH, United States