2015 GSA Annual Meeting in Baltimore, Maryland, USA (1-4 November 2015)

BROWN, Alex C., 13250 rue Acadie, Pierrefonds, QC H9A 1K9, Canada, acbrown@polymtl.ca

FOLEY, N. and AYUSO, R., U.S. Geological Survey, 954 National Center, Reston, VA 20192, nfoley@usgs.gov

BERN, Carleton R., U.S. Geological Survey, Box 25046, Mail Stop 964, Denver Federal Center, Denver, CO 80225 and FOLEY, Nora, U.S. Geological Survey, 954 National Center, Reston, VA 20192, cbern@usgs.gov

SHAH, Anjana K.¹, BERN, Carleton R.¹, ELLEFSEN, Karl J.¹, VAN GOSEN, Bradley S.¹, BUDAHN, James R.¹, BENZEL, William F.¹, DANIELS, David L.², KARST, Adam³ and DAVIS, Richard Bart⁴, (1)U.S. Geological Survey, Box 25046, Mail Stop 964, Denver Federal Center, Denver, CO 80225, (2)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (3)Iluka Resources, Inc, 12472 St. John Church Rd, Stony Creek, VA 23882, (4)Southern Ionics Minerals LLC, Jacksonville, FL 32218, ashah@usgs.gov

MCLEMORE, Virginia T., Bureau of Geology, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, DUNBAR, Nelia, Bureau of Geology, New Mexico Institution of Mining and Technology, 801 Leroy Place, Socorro, NM 87801, HEIZLER, Matthew, New Mexico Geochronology Research Laboratory, New Mexico Bureau of Mines & Mineral Resources, 801 Leroy Place, New Mexico Tech, Socorro, NM 87801-4796 and RÄMÖ, O. Tapani, Dept Geosciences and Geography, Division of Geology and Geochemistry, University of Helsinki, Helsinki, FI-00014, Finland, ginger@nmbg.nmt.edu

HOWELL, Brock¹, EMERMAN, Steven H.¹ and CHRISTENSEN, Norm², (1)Department of Earth Science, Utah Valley University, 800 West University Parkway, Orem, UT 84058, (2)Orem, UT 84058, Brock.Howell@gmail.com

RICHARDS, Jeremy P., Earth and Atmospheric Sciences, University of Alberta, 1-26 Earth Science Building, Edmonton, AB T6G 2E3, Canada and SHOLEH, Ali, Department of Geology, Tarbiat Modares University, Faculty of Basic Sciences, Tehran, Iran, Jeremy.Richards@ualberta.ca

BEUKES, Nicolas J., Department of Geology, University of Johannesburg, P.O. Box 524, Auckland Park, Johannesburg, 2006, South Africa, GUTZMER, Jens, Helmholtz Institute Freiberg for Resource Technology, Freiberg, D-09599, Germany and KRUGER, Stephanus J., PPM, Geology Department, University of Johannesburg, Kingsway, Auckland Park, 2006, South Africa, nbeukes@uj.ac.za

TAYLOR, Bruce E.¹, PETER, Jan M.¹, LAAKSO, Kati² and RIVARD, Benoit³, (1)Geological Survey of Canada, 601 Booth Street, Ottawa, ON K1A0E8, Canada, (2)2Centre for Earth Observation Sciences, University of Alberta, 1-26 Earth Sciences Building, Edmonton, AB T6G 2E3, Canada, (3)Earth and Atmospheric Science, University of Alberta, Edmonton, AB T6G 2E3, Canada, Bruce.Taylor@nrcan-rncan.gc.ca

SLACK, John F., U.S. Geological Survey, National Center, MS 954, 12201 Sunrise Valley Drive, Reston, VA 20192, FALCK, Hendrik, NWT Geoscience Office, P.O. Box 1500, Yellowknife, NT X1A 2R3, Canada and DUMOULIN, Julie A., U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, jfslack@usgs.gov

MCMILLAN, Nancy J., Geological Sciences, New Mexico State University, Box 30001 MSC 3AB, Las Cruces, NM 88003, CURRY, John C., Geological Sciences, New Mexico State University, Box 30001, MSC 3AB, Las Cruces, NM 88003, DUTROW, Barbara L., Dept. of Geology & Geophysics, Louisiana State University, Baton Rouge, LA 70803-4101 and HENRY, Darrell J., Dept. of Geology and Geophysics, Louisiana State Univ, Baton Rouge, LA 70803, nmcmilla@nmsu.edu

HEIMANN, Adriana¹, YONTS, Jason A.¹, WISE, Michael A.², SPRY, Paul G.³, O'BRIEN, Joshua J.⁴, RODRIGUES SOARES, Dwight⁵ and LEYH, Wolf⁶, (1)Department of Geological Sciences, East Carolina University, 101 Graham Building, Greenville, NC 27858, (2)Dept. of Mineral Sciences, Smithsonian Institution, P.O. Box 37012, Washington, DC 20013-7012, (3)Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011, (4)Geological and Atmospheric Sciences, Iowa State University, 253 Science I, Ames, IA 50011-3212, (5)Instituto Federal de Educação, Ciência e Tecnologia da Paraíba (IFPB), N-PEG (Núcleo de Estudos de Pegmatitos), R. Tranquilino Coelho Lemos 671, Campina Grande-Paraíba, 58100–000, Brazil, (6)Eaglehawk Geological Consulting Pty. Ltd, P.O. Box 965, Broken Hill, New South Wales, 2880, Australia, heimanna@ecu.edu

HART, Alistair J., Takor Group Pty Ltd, 6c Robert St, Atherton, 4883, Australia, Alistair@takor.com.au