MEINERT, Lawrence D., U.S. Geological Survey, Mineral Resources Program, 12201 Sunrise Valley Drive, MS 913, Reston, VA 20192, Lmeinert@usgs.gov

MCCALLUM, R. William, Ames Laboratory, Iowa State University, 106 Wilhelm, Ames, IA 50011, mccallum@ameslab.gov

WILLIAMS-JONES, A.E. and MIGDISOV, A.A., Earth and Planetary Sciences, McGill University, 3450 University Street, Montreal, QC H3A 2A7, Canada, anthony.williams-jones@mcgill.ca

VERPLANCK, Philip L., U.S. Geological Survey, P.O. Box 25046, M.S. 973, Denver Federal Center, Denver, CO 80225-0046, plv@usgs.gov

SAMSON, Iain M., Department of Earth and Environmental Science, University of Windsor, 401 Sunset Ave, Windsor, ON N9B 3P4 Canada, ims@uwindsor.ca

FENG, Yonggang, Department of Earth and Environmental Science, University of Windsor, 401 Sunset Ave, Windsor, ON N9B3P4, Canada, yonggangfeng1984@gmail.com and SAMSON, Iain M., Department of Earth and Environmental Science, University of Windsor, 401 Sunset Ave, Windsor, ON N9B 3P4, Canada

CHAKHMOURADIAN, Anton and REGUIR, Ekaterina, Geological Sciences, University of Manitoba, 125 Dysart Road, Winnipeg, MB R3T2N2, Canada, chakhmou@cc.umanitoba.ca

VAN GOSEN, Bradley S., United States Geological Survey, MS 973 Denver Federal Center, Denver, CO 80225, bvangose@usgs.gov and SHAH, Anjana K., Crustal Geophysics and Geochemistry Science Center, U.S. Geological Survey, Box 25046, Mail Stop 964, Denver Federal Center, Denver, CO 80225

MCLEMORE, Virginia T., New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, ginger@nmbg.nmt.edu, RIGGINS, Annelise M., Earth & Environmental Sciences, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, DUNBAR, Nelia W., New Mexico Bureau of Geology, New Mexico Tech, Socorro, NM 87801, HEIZLER, Matthew T., New Mexico Bureau of Geology & Mineral Resources, New Mexico Institute of Mining & Technology, Socorro, NM 87801, MCINTOSH, William, New Mexico Bureau of Geology and Mineral Resources, New Mexico Tech, 801 Leroy Place, Socorro, NM 87801, RÄMÖ, O. Tapani, Department of Geology, Univ of Helsinki, P.O. Box 64, Kumpula, Physicum, Helsinki, FIN-00014, Finland, and FREMPONG, Kwame, Mineral Engineering, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801

SIMANDL, George J., BC Ministry of Energy anf Mines, BC Geological Survey, PO Box 9333 Stn Prov Govt, Victoria, BC V8W 9N3, Canada, george.simandl@gov.bc.ca, PARADIS, Suzanne, Geological Survey of Canada, 9860 West Saanich Road, Sidney, BC V8L 4B2, Canada, STONE, Rebecca, Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada, and GRATTAN, Keith, Elemental Controls, 3230 Wharton Way, Mississauga, ON L4X 2C1, Canada