Session: Economic Geology (GSA Annual Meeting in Denver, Colorado, USA

268-1

8:15 AM

Withdrawn

268-2

8:00 AM

AEROMAGNETIC DATA PROVIDE A FRAMEWORK FOR CONCEALED MINERAL RESOURCE POTENTIAL OVER AN ACCRETED ISLAND-ARC SETTING IN SOUTHWEST ALASKA

ANDERSON, Eric D.¹, MONECKE, Thomas², HITZMAN, Murray W.³, ZHOU, Wendy² and BEDROSIAN, Paul A.⁴, (1)US Geological Survey, Denver Federal Center, Bldg 20, MS 964, Denver, CO 80225, (2)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, (3)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois St., Golden, CO 80401, (4)Crustal Geophysics and Geochemistry Science Center, U.S. Geological Survey, Denver Federal Center, Bldg 20, MS 964, Denver, CO 80225, ericanderson@usgs.gov

268-3

8:30 AM

ELECTRICAL RESISTIVITY CHARACTERIZATION OF BEDROCK FOR CONCEALED MINERAL DEPOSITS BENEATH BASIN FILL SOUTH OF THE BODIE-AURORA VOLCANIC FIELD, CALIFORNIA AND NEVADA

RODRIGUEZ, Brian D. and AILES, Chad E., USGS, Box 25046, MS 964, Denver, CO 80225, brod@usgs.gov

268-4

8:45 AM

MAPPING HYDROTHERMAL ALTERATION ZONE AS A PROBABLE SITE OF POTENTIAL MINERAL RESOURCES IN THE CENTRAL EASTERN DESERT OF EGYPT USING REMOTELY-SENSED DATA

ABDELKAREEM, Mohamed, Geology, South Valley University, Geology Department, Faculty of Science, South Valley University, Qena-Safaga road, Qena, 83523, Egypt and EL-BAZ, Farouk, Center for Remote Sensing, Boston University, 725 Commonwealth Avenue, Boston, MA 02215-1401, mohamed.abdelkareem@sci.svu.edu.eg

268-5

9:00 AM

GEOCHEMISTRY OF HYDROTHERMAL VENTS AT SUBMARINE VOLCANOES

STUCKER, Valerie and DE RONDE, Cornel E.J., GNS Science, PO Box 30368, Avalon, 5040, New Zealand, V.Stucker@gns.cri.nz

268-6

9:15 AM

HIGH-PRECISION U-PB CA-TIMS GEOCHRONOLOGY AND ISOTOPE GEOCHEMISTRY OF POLY-METALLIC PORPHYRY INTRUSIONS OF THE LATIR MAGMATIC CENTER, NEW MEXICO: LARGE SYSTEM WITH MULTIPLE METALS, OR MULTIPLE SYSTEMS WITH DIFFERENT METALS?

GAYNOR, Sean, Department of Geological Sciences, University of North Carolina at Chapel Hill, Mitchell Hall CB 3315, 104 South Rd., Chapel Hill, NC 27599-3315 and COLEMAN, Drew S., Geological Sciences, University of North Carolina at Chapel Hill, 104 South Road, CB #3315, Chapel Hill, NC 27599, sgaynor@email.unc.edu

268-7

9:30 AM

MAGMATIC-HYDROTHERMAL HISTORIES OF MIOCENE EPITHERMAL GOLD-SILVER DEPOSITS IN THE TONOPAH AND DIVIDE DISTRICTS, WESTERN NEVADA

JOHN, David A.¹, COLGAN, Joseph P.², COSCA, Michael A.³, DU BRAY, Edward A.³ and VIKRE, Peter G.⁴, (1)U.S. Geological Survey, Menlo Park, CA 94025, (2)U.S. Geological Survey, Denver Federal Center, Lakewood, CO 80225, (3)U.S. Geological Survey, Denver, CO 80225, (4)U.S. Geological Survey, Mackay School of Earth Sciences and Engineering, MS 176, University of Nevada, Reno, Reno, NV 89557-0047, djohn@usgs.gov

268-8

9:45 AM

TECTONO-HYDROTHERMAL EVOLUTION OF THE NEOARCHEAN ABITIBI GREENSTONE BELT, CANADA: NEW INSIGHTS FROM TIMISKAMING ASSEMBLAGE QUARTZ PEBBLES

HUFFORD, Gregory, Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois St., Golden, CO 80401 and MONECKE, Thomas, Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, greghufford@gmail.com

10:00 AM

Break

268-9

10:15 AM

TARGETING AREAS OF GOLD FAVORABILITY THROUGH FACTOR ANALYSIS OF STREAM SEDIMENT DATA, FAIRBANKS MINING DISTRICT, EAST-CENTRAL ALASKA

FOILES, Lauren¹, GOLDFARB, Richard¹, HOLLEY, Elizabeth² and ZHOU, Wendy¹, (1)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401, (2)Department of Mining Engineering, Colorado School of Mines, 1600 Illinois Street, GOLDEN, CO 80401, lfoiles@mines.edu

268-10

10:30 AM

TRACE ELEMENT ANALYSIS OF PLACER GOLD SAMPLES

LUTERBACH, Tiffany D., New Mexico Institute of Mining and Technology, 801 Leroy Pl, Mineral Engineering Dept, Socorro, NM 87801-4681 and 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, tiffany.luterbach@student.nmt.edu

268-11

10:45 AM

THE DISCOVERY OF CENOZOIC LACUSTRINE URANIUM DEPOSITS IN THE SOUTHERN HIGH PLAINS OF WEST TEXAS, UNITED STATES

VAN GOSEN, Bradley S., U.S. Geological Survey, Box 25046, Mail Stop 973, Denver Federal Center, Denver, CO 80225 and HALL, Susan M., U.S. Geological Survey, MS 939, Denver Federal Center, Denver, CO 80225-0046, bvangose@usgs.gov

268-12

11:00 AM

MINERALOGY AND PARAGENESIS OF THE SULFUR SPRINGS DRAW CALCRETE-TYPE URANIUM DEPOSIT, NORTHERN TEXAS

HALL, Susan M., U.S. Geological Survey, MS 939, Denver Federal Center, Denver, CO 80225-0046, PACES, James B., U.S. Geological Survey, Denver, CO 80225 and VANGOSEN, Bradley S., Mineral Resources Program, U.S. Geological Survey, Box 25046, MS 973, Denver, CO 80225, susanhall@usgs.gov

268-13

11:15 AM

CHEMICAL SIGNATURE OF GROUNDWATER IN COVER OVERLYING DULUTH COMPLEX NI-CU-PGE DEPOSITS, NE MINNESOTA

MANNING, Andrew H., U.S. Geological Survey, P.O. Box 25046, Mail Stop 973, Denver, CO 80225, WANTY, Richard B., U.S. Geological Survey, P.O. Box 25046, Mail Stop 964D, Denver, CO 80225, MORRISON, Jean M., U.S. Geological Survey, Crustal Geophysics and Geochemistry Science Center, Denver, CO 80225 and DA PELO, Stefania, Dipartimento di Scienze Chimiche e Geologiche, Università degli Studi di Cagliari, via Trentino 51, Cagliari, 09127, Italy, amanning@usgs.gov

268-14

11:30 AM

VARIATIONS IN THE DISTRIBUTION OF PLATINUM-GROUP ELEMENTS ASSOCIATED WITH VARYING DEGREES OF SILICATE ALTERATION WITHIN THE J-M REEF OF THE STILLWATER COMPLEX, MONTANA, USA

WERNETTE, Benjamin Wilson¹, RIPLEY, Edward M.¹, LI, Chusi¹, SMITH, Joshua M.¹ and ZHOU, Yi², (1)Department of Geological Sciences, Indiana University, 1001 E. 10th Street, Bloomington, IN 47408, (2)State Key Laboratory of Ore Deposit Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang, China, bwernett@indiana.edu

268-15

11:45 AM

SULFUR, OXYGEN AND CARBON ISOTOPES IN THE GAGARYAH BARITE DEPOSIT, FAREWELL TERRANE, INTERIOR ALASKA, AND COMPARISONS TO THE ISOTOPIC RECORD OF MARINE SULFUR IN DEVONIAN TIME

JOHNSON, Craig A., US Geological Survey, MS 963, Box 25046, Denver, CO 80225, DUMOULIN, Julie A., U.S. Geological Survey, 4210 University Drive, Anchorage, AK 99508, BRADLEY, Dwight, U.S. Geological Survey, 4210 University Dr, Anchorage, AK 99508 and EMSBO, Poul, USGS, P.O. Box 25046, MS 973, Denver Federal Center, Denver, CO 80225, cjohnso@usgs.gov

GSA Annual Meeting in Denver, Colorado, USA - 2016

Economic Geology