KELLY, Nigel M., Department of Geology & Geological Engineering, Colorado School of Mines, 1516 Illinois St, Golden, CO 80401, nkelly@mines.edu, MATTHEWS, Jessica A., Geological Sciences, Indiana University, 1001 East 10th Street, Bloomington, IN 47405-1405, KYLANDER-CLARK, Andrew R.C., Geological Sciences, University of California, Santa Barbara, CA 93109, KOENIG, Alan E., USGS, Denver Federal Center, MS 973, Denver, CO 80225, HARLEY, Simon L., School of Geosciences, University of Edinburgh, West Mains Rd, Kings Buildings, Edinburgh, EH9 3JW, United Kingdom, and CLARK, Chris, The Institute for Geoscience Research (TIGeR), Department of Applied Geology, Curtin University of Technology, GPO Box 1987, Perth, 6845, Australia