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GSA Annual Meeting in Seattle, Washington, USA - 2017

Session No. 2
Sunday, 22 October 2017: 8:00 AM-12:00 PM
Skagit 5 (The Conference Center)

D29. Investigations in Economic Geology

Jeffrey L. Mauk and Niki E. Wintzer, Chairs
 
8:00 AM
Introductory Remarks
2-2
8:15 AM
AN ELECTRON MICROSCOPY STUDY OF GOLD FROM ROUND MOUNTAIN
BURKE, Michelle, Dept. of Geology and Environmental Earth Sciences, Miami University, Shideler Hall, 250 S. Patterson Ave, Oxford, OH 45056, KREKELER, Mark P.S., Department of Geology & Environmental Earth Science, Miami University - Hamilton, 1601 University Blvd., Hamilton, OH 45011 and RAKOVAN, John, Department of Geology & Environmental Earth Science, Miami University, Oxford, OH 45056, burkeml2@miamioh.edu
2-3
8:30 AM
QEMSCAN AND MICRO-XRF ANALYSES REVEAL THE LOCATION OF AU IN BANDED EPITHERMAL VEINS
MAUK, Jeffrey L.1, MENZIES, Andrew2, KOENIG, Alan E.3, SCHELLER, Samuel4, GOSSELIN, Manon5, BARRAZA, Monserrat6, TAGLE, Roald4 and GLOY, Gerda7, (1)US Geological Survey, PO Box 25046, MS 973, Denver, CO 80232, (2)Geology Department, Universidad Católica del Norte, Avenida Angamos, Antofagasta, 0610, (3)U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046, MS 973, Denver, CO 80225, (4)Bruker Nano GmbH, Berlin, Germany, (5)Ecole Nationale Superieure de Chimie de Rennes (ENSCR), Rennes, France, (6)CISEM, Universidad Católica del Norte, Avenida Angamos 0610, Antofagasta, Chile, (7)Bruker Pty Ltd, Brisbane, Australia, jmauk@usgs.gov
2-4
8:45 AM
PHANEROZOIC FLUIDS PERMEATING A PRECAMBRIAN GOLD DEPOSIT EXAMINED BY SIMS: IMPLICATIONS FOR REMOBILIZATION OF GOLD
HAROLDSON, Erik, Department of Geoscience, University of Wisconsin-Madison, 1215 W Dayton St, Madison, WI 53706, BROWN, Philip, Dept of Geoscience, University of Wisconsin, 1215 W. Dayton St, Madison, WI 53706-1692, ISHIDA, Akizumi, Department of Earth Science, Tohoku University, 6-3 Aramaki Aza Aoba, Aobaku, Sendai, 980-8577, Japan and VALLEY, John, Department of Geoscience, University of Wisconsin-Madison, Madison, WI 53706, erik.haroldson@yahoo.com
2-5
9:00 AM
APPLYING LASER SPECTROSCOPY TO MEASURE D/H IN PHYLLOSILICATES: A NEW TOOL FOR EXPLORING HYDROGEN ISOTOPE VARIATION IN GEOLOGIC SYSTEMS
MERING, John, Department of Earth Sciences, University of Waikato, Hamilton, 3240, New Zealand and BARKER, Shaun L.L., School of Science, University of Waikato, Hillcrest Road, Hamilton, 3240, New Zealand, johnmering@gmail.com
2-6
9:15 AM
N2-RICH FLUID IN THE VEIN-TYPE YANGJINGOU SCHEELITE DEPOSIT, YANBIAN, NE CHINA
WANG, Yicun1, WANG, Keyong1 and CAMPBELL, Clay2, (1)Earth Science, Jilin University, No. 2199 Jianshe Street, Jilin Changchun, Room 308, Changchun, 130061, China, (2)Department of Geology, University of Kansas, Lawrence, KS 66045, wangyc@ku.edu
2-7
9:30 AM
U-PB SCHEELITE LA-ICP-MS DATES FROM THE HISTORIC YELLOW PINE PIT, YELLOW PINE AU-SB-W MINING AREA, CENTRAL IDAHO, USA
WINTZER, Niki E., United States Geological Survey, 904 W. Riverside Avenue, Spokane, WA 99201, GILLERMAN, Virginia S., Idaho Geological Survey, 322 E. Front St., Ste. 201B, Boise, ID 83702 and SCHMITZ, Mark D., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535, nwintzer@usgs.gov
Handouts
  • Wintzer, Gillerman, Schmitz October 22, 2017 930am Annual GSA Talk.pdf (1.3 MB)
    •  
    9:45 AM
    Break
    2-8
    10:00 AM
    PALEO-TOPOGRAPHY IN THE CRETACEOUS/TERTIARY ANGULAR UNCONFORMITY AND ITS INFLUENCE ON URANIUM MINERALIZATION IN SHIRLEY BASIN, WYOMING
    COVINGTON, James Howard, Department of Earth and Mineral Science, Pennsylvania State University, 128 Outreach Building, University Park, PA 16802, colokid71@msn.com
    2-9
    10:15 AM
    CHLORITE ALTERATION OF PRE-ORE PYRITE AT THE MCARTHUR RIVER URANIUM DEPOSIT, ATHABASCA BASIN: POSSIBLE IMPLICATIONS TO ORE DEPOSITION
    DEDECKER, John, Department of 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, jdedecke@mymail.mines.edu
    2-10
    10:30 AM
    Withdrawn
    2-11
    10:45 AM
    FAHLORE THERMOCHEMISTRY: GAPS INSIDE THE (CU,AG)10(FE,ZN)2(SB,AS)4S13 CUBE
    SACK, Richard O., Mineral Thermochemistry, OFM Research Corporation, 28430 NE 47th Place, Redmond, WA 98053, fahlore@centurytel.net
    Handouts
  • GSA2017nb.pdf (1.5 MB)
  • Sack_Petrology17mu.pdf (599.9 kB)
    • 2-12
    11:00 AM
    PROPOSED MEGA-LANDSLIDE ORIGIN FOR THE EAST TRAVERSE MOUNTAINS, UTAH – EVIDENCE FROM PEBBLE DIKES
    KEITH, Jeffrey D.1, CHRISTIANSEN, Eric H.2, BIEK, Robert F.3, THOMPSON, Timothy J.4, MCBRIDE, John2, HARRIS, Ron A.5, THAYN, Scott6, HARRISON, Cameron4, JENSEN, Collin2 and CHADBURN, Ryan1, (1)Department of Geological Sciences, Brigham Young University, S389 ESC, Provo, UT 84602, (2)Department of Geological Sciences, Brigham Young University, Provo, UT 84602, (3)Utah Geol Survey, PO Box 146100, Salt Lake City, UT 84114-6100, (4)GeoStrata, LLC, 781 West 14600 South, Bluffdale, UT 84065, (5)Geological Sciences, Brigham Young University, S-349 ESC, Provo, UT 84602, (6)Geneva Rock Products, Point of the Mountain Quarry, 15547 Minuteman Drive, Draper, UT 84020, Jeff_Keith@byu.edu
    2-13
    11:15 AM
    Withdrawn
    2-14
    11:30 AM
    COOPERATION, COMPROMISE, AND CREATIVITY: EXPLORING FOR DIAMONDS IN THE SAHARA DESERT OF ALGERIA
    SMITH, Steven M.1, BOULEMIA, Salim2, ZOUAI, Messaoud3, MOUSSAOUI, Abdallah4, BELANTEUR, Nadjib2 and TAYLOR, Cliff D.1, (1)U.S. Geological Survey, Central Mineral and Environmental Resources Science Center, Box 25046 Denver Federal Center, MS-973, Denver, CO 80225, (2)Agence du Service Géologique de l'Algérie, Algiers, Algeria, (3)Ministère des Mines de Tindouf et de l’Énergie, Tindouf, Algeria, (4)Office National de la Recherche Geologique et Miniere, Algiers, Algeria, smsmith@usgs.gov
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