HUBBARD, Bernard E., US Geological Survey, 12201Sunrise Valley Drive, Reston, VA 20192, bhubbard@usgs.gov, DESZCZ-PAN, Maria, U.S. Geological Survey, Box 25046, M.S. 964, Denver Federal Center, Denver, CO 80225-0046, SMITH, Bruce D., U.S. Geological Survey, Crustal Geophysics and Geochemistry Science Center, Denver Federal Center, Bld 20, ms964, Lakewood, CO 80225, DAY, Warren, U.S. Geological Survey, P.O. Box 25046, MS 973, Denver, CO 80225-0046, GOUGH, Larry, U.S. Geological Survey, 12201 Sunrise Valley Dr, MS954, Reston, VA 20192, KASS, M. Andy, Crustal Geophysics and Geochemistry Science Center, US Geological Survey, Denver Federal Center, MS 964, Denver, CO 80225, EMOND, Abraham, Division of Geological & Geophysical Surveys, Department of Natural Resources, 3354 College Road, Fairbanks, AK 99709, and CAINE, Jonathan Saul, U.S. Geological Survey, Box 25046, DFC, MS 964, Denver, CO 80225-0046

SALTUS, Richard W., MS 964, U.S. Geological Survey, Federal Center, Box 25046, Denver, CO 80225-0046, saltus@usgs.gov, JONES, James V. III, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, STANLEY, Richard G., U.S. Geological Survey, 345 Middlefield Road, MS 969, Menlo Park, CA 94025, HAEUSSLER, Peter J., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, POTTER, Christopher J., U.S. Geological Survey, Mail Stop 939, Denver Federal Center, Denver, CO 80225-0046, and LEWIS, Kristen A., U.S. Geological Survey, MS 939, Federal Center, Box 25046, Denver, CO 80225

TROP, Jeffrey M., Dept. of Geology, Bucknell University, 701 Moore Avenue, Lewisburg, PA 17837, jtrop@bucknell.edu, BENOWITZ, Jeff, Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775, COLE, Ronald B., Department of Geology, Allegheny College, 520 N. Main St, Box 37A, Meadville, PA 16335, and O'SULLIVAN, Paul, Apatite to Zircon, Inc, 1075 Matson Road, Viola, ID 83872-9709

JONES, James V. III, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, jvjones@usgs.gov, TODD, Erin, Alaska Science Center, U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, BOX, Stephen E., U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, HAEUSSLER, Peter J., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508, HOLM-DENOMA, Christopher S., Central Mineral and Environmental Resources Science Center, United States Geological Survey, Box 25046, MS 973, Denver, CO 80225-0046, AYUSO, Robert A., U.S. Geological Survey, 954 National Center, Reston, VA 20192, and BRADLEY, Dwight C., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508

KOROLESKI, Kraig J. and HAMPTON, Brian A., Dept. of Geological Sciences, New Mexico State University, P.O. Box 30001, Las Cruces, NM 88003-8001, koroles1@nmsu.edu

DUMOULIN, Julie A., U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, dumoulin@usgs.gov, JONES, James V. III, U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, BOX, Stephen E., U.S. Geological Survey, 904 W. Riverside Ave, Room 202, Spokane, WA 99201, and BRADLEY, Dwight C., U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508

KASS, M. Andy, Crustal Geophysics and Geochemistry Science Center, US Geological Survey, Denver Federal Center, MS 964, Denver, CO 80225, mkass@usgs.gov, SICARD, Karri R., State of Alaska, Division of Geological & Geophysical Surveys, 3354 College Rd, Fairbanks, AK 99709, SMITH, Bruce D., U.S. Geological Survey, Crustal Geophysics and Geochemistry Science Center, Denver Federal Center, Bld 20, ms964, Lakewood, CO 80225, EMOND, Abraham, Department of Natural Resources, Division of Geological & Geophysical Surveys, 3354 College Road, Fairbanks, Fairbanks, 99709, MINSLEY, Burke, Crustal Geophysics and Geochemistry Science Center, USGS, Denver, CO 80225, BURNS, Laurel E., Alaska Division of Geological & Geophysical Surveys, 3354 College Rd, Fairbanks, AK 99709-3707, and GRAHAM, Garth, U.S. Geological Survey, DFC MS973, Lakewood, CO 80225

SICARD, Karri R.¹, FREEMAN, Lawrence K.¹, WYPYCH, Alicja¹, TWELKER, Evan¹, BENOWITZ, Jeff², and LAYER, Paul W.², (1) State of Alaska, Division of Geological & Geophysical Surveys, 3354 College Rd, Fairbanks, AK 99709, karri.sicard@alaska.gov, (2) Geophysical Institute and Geochronology Laboratory, University of Alaska Fairbanks, Fairbanks, AK 99775

KARL, Susan M., USGS, 4210 University Dr, Anchorage, AK 99508-4626, skarl@usgs.gov, BARKER, James C., UCORE Rare Metals, Inc, PM Box 145, 3875 Geist Rd. Suite E, Fairbanks, AK 99709, and DOSTAL, Jaroslav, Department of Geology, St. Mary's University, Halifax, NS B3H 3C3, Canada

TAYLOR, Cliff D.¹, PHILPOTTS, John A.², HEDDERLY-SMITH, David A.³, and HORTON, John D.¹, (1) U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225, ctaylor@usgs.gov, (2) 11515 Catalpa Ct, Reston, VA 20191, (3) D.A. Hedderly-Smith & Associates, P.O. Box 981224, 7533 Pinebrook Road, Park City, UT 84098

BALA, Sarah A., Department of Earth and Atmospheric Sciences, Metro State University of Denver, Denver, CO 80217-3362, sbala@usgs.gov, HOLM-DENOMA, Christopher S., Central Mineral and Environmental Resources Science Center, United States Geological Survey, Box 25046, MS 973, Denver, CO 80225-0046, NEYMARK, Leonid A., US Geological Survey, Denver Federal Center, Mailbox 25046, MS 963, Denver, CO 80225, TAYLOR, Cliff D., U.S. Geological Survey, CMERSC, MS 973 Box 25046, Denver, CO 80225, PIETRUSZKA, A.J., U.S. Geological Survey, Denver Federal Center, Denver, CO 80225, and DRISCOLL, Rhonda L., U.S. Geological Survey, Denver Federal Center, Bldg 20, MS 973, Denver, CO 80223

THENY, Lucia Maria, Earth Sciences, Simon Fraser University, 8328 Ski Jump Rise, Whistler, BC V0N 1B9, Canada, ltheny@sfu.ca, GIBSON, H. Daniel, Earth Sciences, Simon Fraser University, 8888 University Drive, Burnaby, BC V5A 1S6, Canada, CROWLEY, James L., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, and MILLER-TAIT, Jim, Imperial Metals Corp, Vancouver, V6C 3B6

TOWELL, Moses J., Earth, Ocean and Atmospheric Sciences, University of British Columbia, Vancouver, BC V6T 1Z4, Canada, moetowell@gmail.com, HICKEY, Kenneth A., Mineral Deposit Research Unit, University of British Columbia, Vancouver, BC V6T 1Z4, and SCOATES, James S., Earth, Ocean and Atmospheric Sciences, University of British Columbia, Pacific Centre for Isotopic and Geochemical Research, 2020, Earth Sciences Building, 2207 Main Mall, Vancouver, BC V6T-1Z4, Canada

HOLLIS, Natalie, Department of Geosciences, Idaho State University, 921 S. 8th Ave, Pocatello, ID 83209, hollnat2@isu.edu, TAPANILA, Leif, Department of Geosciences, Idaho State University, 921 S. 8th Ave, Pocatello, ID 83209-8072, and LINK, Paul, Department of Geosciences, Idaho State University, 921 S. 8th Ave. Stop 8072, Pocatello, ID 83209