SCHRAG, Daniel P., Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138, schrag@eps.harvard.edu

EVANS, David A.D., Department of Geology and Geophysics, Yale University, New Haven, CT 06520, david.evans@yale.edu and DRISCOLL, Peter, Department of Geology & Geophysics, Yale University, 210 Whitney Avenue, New Haven, CT 06511

JOHNSTON, Stephen T.¹, LAHTINEN, R.², and NIRONEN, Mikko², (1) School of Earth and Ocean Sciences, University of Victoria, Bob Wright Centre, PO Box 3065 STN CSC, Victoria, BC V8W 3V6, Canada, stj@uvic.ca, (2) Geological Survey of Finland, PO Box 96, Espoo, FIN-02151, Finland

VAN STAAL, Cees¹, ZAGOREVSKI, Alexandre², and MCNICOLL, Vicki², (1) Geological Survey of Canada, 1500-605 Robson Street, Vancouver, BC V6B 5J3, Canada, cvanstaa@NRCan.gc.ca, (2) Geological Survey of Canada, 601 Booth St, Ottawa, ON K1A 0E8, Canada

HILDEBRAND, Robert S., Department of Geology, University of California, Davis, CA 95616-8605, bob@roberthildebrand.com and MOORES, Eldridge, Department of Geology, University of California, One Shields Avenue, Davis, CA 95616

MACDONALD, Francis A., Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, fmacdon@fas.harvard.edu and SMITH, Emily F., Department of Earth and Planetary Sciences, Harvard University, Cambridge, MA 02138

HALVERSON, Galen P.¹, COX, Grant², THÉOU-HUBERT, Lucie¹, KUNZMANN, Marcus¹, VOKATY, Michelle¹, MACDONALD, Francis A.³, and STRAUSS, Justin V.⁴, (1) Earth and Planetary Sciences, McGill University, 3450 University St, Montreal, QC H3A0E8, Canada, galen.halverson@mcgill.ca, (2) Earth and Planetary Sciences, McGill University, 3450 University St, Montreal, QC H3A 0E8, Canada, (3) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford St, Cambridge, MA 02138, (4) Department of Earth and Planetary Sciences, Harvard University, 20 Oxford Street, Cambridge, MA 02138

CUMMING, Vivien M., Department of Earth Sciences, Durham University, Durham, DH1 3LE, United Kingdom, v.m.cumming@durham.ac.uk, SELBY, David, Department of Earth Sciences, University of Durham, Science Labs, Durham, DH1 3LE, United Kingdom, POULTON, Simon W., School of Earth and Environment, Leeds University, Leeds, LS2 9JT, United Kingdom, and BEKKER, Andrey, Dept. of Geological Sciences, Univ. of Manitoba, Winnipeg, MB R3T 2N2, Canada

PLANAVSKY, Noah, Geology and Geophysics, Yale University, New Haven, CT 06520, planavsky@gmail.com, REINHARD, Christopher T., Division of Geological and Planetary Sciences, Caltech, Pasadena, CA 91125, WANG, Xiangli, University of Illinois at Urbana-Champaign, Urbana, IL 61820, FISCHER, Woodward W., Division of Geological and Planetary Sciences, California Institute of Technology, Pasadena, CA 91125, THOMPSON, Danielle, Earth Science, Carleton University, Ottawa, ON K1S 5B6, RAINBIRD, Rob, Natural Resources Canada, Geological Survey of Canada, Ottawa, ON K1A 0E8, JOHNSON, Thomas M., Geology, University of Illinois at Urbana-Champaign, Urbana, IL 61801, and LYONS, Timothy W., Department of Earth Sciences, University of California, Riverside, CA 92521

ASANUMA, Hisashi, Earth and Planetary Sciences, Tokyo Institute of Technology, I2-9, 2-12-1 Ookayama Meguro-ku, Tokyo, Tokyo, 152-8551, Japan, asanuma.h.aa@m.titech.ac.jp, SAWAKI, Yusuke, Dept. Earth & Planet Sci, Tokyo Institute of Technology, 2-12-1 Ookayama, Meguro-ku, Tokyo, 152-8551, Japan, YOKOYAMA, Tetsuya, Department of Earth and Planetary Sciences, 2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan, and MARUYAMA, Shigenori, Earth-Life Science Institute, Tokyo Institute of Techology, 2-12-1 Ookayama, Meguro, Tokyo, 152-8551, Japan