Nicole Rocco, Oregon State University, Corvallis, OR, United States, Adam J.R. Kent, Oregon State University, College of Earth, Ocean, and Atmospheric Sciences, Corvallis, OR, United States, Kari M Cooper, UC Davis, Davis, CA, United States, Chad Daniel Deering, Michigan Technological University, Department of Geological and Mining Engineering & Sciences, Houghton, MI, United States and Darren McClurg Gravley, University of Canterbury, Christchurch, New Zealand