Geological Society of America

8:00 AM

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

Eric Anderson, U.S. Geological Survey, Denver, CO and Thomas Monecke, Colorado School of Mines, Golden, CO and Murray W. Hitzman, University College Dublin, Belfield and Wendy Zhou, Colorado School of Mines, Golden, CO and Paul Bedrosian, U.S. Geological Survey, Denver, CO

281769 (Technical Sessions)

8:15 AM

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

Brian D. Rodriguez, U.S. Geological Survey, Denver, CO and Chad E. Ailes, USGS, Denver, CO

281429 (Technical Sessions)

8:30 AM

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

Mohamed Abdelkareem, South Valley University, Qena and Farouk El-Baz, Boston University, Boston, MA

282399 (Technical Sessions)

8:45 AM

GEOCHEMISTRY OF HYDROTHERMAL VENTS AT SUBMARINE VOLCANOES

Valerie Stucker, GNS Science, Avalon and Cornel E.J. de Ronde, GNS Science, Avalon

284516 (Technical Sessions)

9:00 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?

Sean Gaynor, UNC Chapel Hill, Chapel Hill, NC and Drew Coleman, University of North Carolina at Chapel Hill, Chapel Hill, NC

285513 (Technical Sessions)

9:15 AM

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

David A. John, U.S. Geological Survey, Menlo Park, CA and Joseph Colgan, U.S. Geological Survey, Lakewood, CO and Michael Cosca, U.S. Geological Survey, Denver, CO and Edward A. du Bray, U.S. Geological Survey, Denver, CO and Peter Vikre, U.S. Geological Survey, Reno, NV

281757 (Technical Sessions)

9:30 AM

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

Gregory Hufford, Colorado School of Mines, Golden, CO and Thomas Monecke, Colorado School of Mines, Golden, CO

277998 (Technical Sessions)

10:00 AM

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

Lauren Foiles, Colorado School of Mines, Golden, CO and Richard Goldfarb, Colorado School of Mines, Golden, CO and Elizabeth Holley, Colorado School of Mines, GOLDEN, CO and Wendy Zhou, Colorado School of Mines, Golden, CO

278090 (Technical Sessions)

10:15 AM

TRACE ELEMENT ANALYSIS OF PLACER GOLD SAMPLES

Tiffany D. Luterbach, New Mexico Institute of Mining and Technology, Socorro, NM and Virginia T. McLemore, New Mexico Bureau of Geology and Mineral Resources, New Mexico Institute of Mining and Technology, Socorro, NM

287543 (Technical Sessions)

10:30 AM

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

Bradley S. Van Gosen, Denver, CO and Susan Hall, U.S. Geological Survey, Denver, CO

279696 (Technical Sessions)

10:45 AM

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

Susan Hall, U.S. Geological Survey, Denver, CO and James B. Paces, U.S. Geological Survey, Denver, CO and Bradley S. VanGosen, U.S. Geological Survey, Denver, CO

281613 (Technical Sessions)

11:00 AM

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

Andrew Manning, U.S. Geological Survey, Denver, CO and Richard B. Wanty, U.S. Geological Survey, Denver, CO and Jean Morrison, Crustal Geophysics and Geochemistry Science Center, Denver, CO and Stefania Da Pelo, Università degli Studi di Cagliari, Cagliari

279731 (Technical Sessions)

11:15 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

Benjamin Wilson Wernette, Indiana University, Bloomington, IN and Edward M. Ripley, Indiana University, Bloomington, IN and Chusi Li, Indiana University, Bloomington, IN and Joshua M. Smith, Indiana University, Bloomington, IN and Yi Zhou, Chinese Academy of Sciences, Guiyang

287922 (Technical Sessions)

11:30 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

Craig Johnson, US Geological Survey, Denver, CO and Julie Dumoulin, U.S. Geological Survey, Anchorage, AK and Dwight Bradley, Anchorage, AK and Poul Emsbo, Central Mineral and Environmental Resources Science Center, Denver, CO

283982 (Technical Sessions)

268 Economic Geology

Presentations