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GSA Annual Meeting in Denver, Colorado, USA - 2016

Session No. 297
Wednesday, 28 September 2016: 1:30 PM-5:30 PM
Room 301 (Colorado Convention Center)

T3. Economic Geology of the Extensional Terrains

Society of Economic Geologists; GSA Mineralogy, Geochemistry, Petrology, and Volcanology Division
Zeynep O. Baran and Alvis L. Lisenbee, Advocates
 
1:30 PM
Introductory Remarks
297-1
1:45 PM
LINKS BETWEEN THE DEVELOPMENT OF EXTENSIONAL BASINS AND THE FORMATION OF LOW-SULFIDATION EPITHERMAL AU-AG DEPOSITS: INSIGHT FROM THE NORTHERN NEVADA RIFT
MILLIARD, Justin B., Geology Department, University of Nevada, Reno, LME Building 401, 1664 Nor, Reno, NV 89557 and MUNTEAN, John L., Nevada Bureau of Mines and Geology, University of Nevada, Reno, Mail Stop 178, University of Nevada, Reno, NV 89557, jmilliard@nevada.unr.edu
Handouts
  • Milliard_T3_upload.pptx (7.1 MB)
    • 297-2
    2:00 PM
    CONSTRAINTS ON THE AGE AND DEPTH OF CARLIN-TYPE GOLD MINERALIZATION IN THE FOOTWALL OF A METAMORPHIC CORE COMPLEX: PEQUOP MOUNTAINS, NEVADA
    MILLIARD, Ajeet K., Ralph J Roberts Center for Research in Economic Geology, University of Nevada, Reno, 1664 N Virginia St, Reno, NV 89557 and RESSEL, Michael W., Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia St., MS 178, Reno, NV 89577, jajeetk@gmail.com
    297-3
    2:15 PM
    SHEAR-RELATED GOLD BEARING QUARTZ VEINS IN METAMORPHIC ROCK AT MINERAL RIDGE, ESMERALDA COUNTY, NEVADA 
    CLAYPOOLE, Micah N., University of Nevada Reno, Ralph J. Roberts Center for Research in Economic Geology, 1664 N. Virginia St., Reno, NV 89557 and RESSEL, Michael W., Nevada Bureau of Mines and Geology, University of Nevada, Reno, 1664 N. Virginia St., MS 178, Reno, NV 89577, claypoolemicah@gmail.com
    297-4
    2:30 PM
    STRUCTURAL CONTROLS ON MINERALIZATION AND FAULT REACTIVATION AT MARIGOLD MINE, HUMBOLDT COUNTY, NEVADA
    GESUALDO, Anthony M.1, BARAN, Zeynep1, LISENBEE, Alvis L.1, PATERSON, Colin J.1 and MCCORMICK, Kelli A.2, (1)Dept. of Geology and Geological Engineering, South Dakota School of Mines & Technology, 501 E. St. Joseph Street, Rapid City, SD 57701, (2)Dept. of Mining Engineering and Management, South Dakota School of Mines & Technology, 501 E. St. Joseph St., Rapid City, SD 57701, anthony.gesualdo@mines.sdsmt.edu
    297-5
    2:45 PM
    PRELIMINARY CHARACTERIZATION OF GOLD OCCURRENCE IN THE FIRE CREEK EPITHERMAL DEPOSIT, NORTH CENTRAL NEVADA
    SAINI-EIDUKAT, Bernhardt1, MARMA, John2 and KASSOS, Gabriel2, (1)Department of Geosciences, North Dakota State Univ, NDSU Dept 2745, P.O Box 6050, Fargo, ND 58108-6050, (2)Klondex Mines, 2720 Ruby Vista Dr., Suite 102, Elko, NV 89801, bernhardt.saini-eidukat@ndsu.edu
    297-6
    3:00 PM
    EXTENSIONAL DISMEMBERMENT OF THE HILLTOP MINING DISTRICT, NORTHERN SHOSHONE RANGE, NORTH-CENTRAL NEVADA
    RICHARDSON, Carson A., Lowell Institute for Mineral Resources, Dept. of Geosciences, University of Arizona, 1040 E. Fourth Street, Tucson, AZ 85721-0077, SEEDORFF, Eric, Lowell Institute for Mineral Resources, Department of Geosciences, University of Arizona, 1040 E 4th St, Tucson, AZ 85721-0077 and KING, Caleb A., Lowell Institute for Mineral Resources, Dept. of Geosciences, University of Arizona, 1040 E. Fourth Street, Tucson, AZ 85721-0077; Newmont Mining Corporation, 1655 Mountain City Highway, Elko, NV 89801-2800, carichardson@email.arizona.edu
     
    3:15 PM
    Break
    297-7
    3:30 PM
    A PETROGRAPHIC AND GEOCHRONOLOGIC STUDY OF GOLD MINERALIZATION AT THE LONE TREE DEPOSIT, NEVADA
    LOWE, Justin A., Geology and Geological Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401 and HOLLEY, Elizabeth, Mining Engineering, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401, justin.lowe@yahoo.com
    297-8
    3:45 PM
    POST-MINERALIZATION EXTENSION:  EUREKA MINING DISTRICT, NEVADA, USA
    LISENBEE, Alvis L., Dept. of Geology and Geological Engineering, South Dakota School of Mines & Technology, 501 E. St. Joseph Street, Rapid City, SD 57701, alvis.lisenbee@sdsmt.edu
    297-9
    4:00 PM
    SYNEXTENSIONAL MAGMATISM CONTROLLING THE LOCALIZATION OF EPITHERMAL MINERALIZATION IN THE GUAZAPARES MINING DISTRICT, NORTHERN SIERRA MADRE OCCIDENTAL, MEXICO
    MURRAY, Bryan P., Department of Geological Sciences, California State Polytechnic University, Pomona, 3801 W. Temple Avenue, Pomona, CA 91768 and BUSBY, Cathy J., Department of Earth and Planetary Sciences, University of California, Davis, One Shields Ave., Davis, CA 95616, bpmurray@cpp.edu
    Handouts
  • Murray_GSA 2016 SMO presentation.pdf (3.5 MB)
    • 297-10
    4:15 PM
    GEOLOGICAL FATE OF SEAFLOOR MASSIVE SULPHIDES AT THE TAG SEGMENT (MID-ATLANTIC RIDGE)
    LEHRMANN, Berit and MURTON, Bramley J., National Oceanography Centre, European Way, Southampton, SO143ZH, United Kingdom, berit.lehrmann@noc.ac.uk
    297-11
    4:30 PM
    STRUCTURAL EVOLUTION, VEIN ORIENTATION, AND PARAGENESIS OF THE BOTIJA PORPHYRY CU-MO-(AU) DEPOSIT, COLON, PANAMA
    SEPP, Michael D., College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, 104 CEOAS Admin Bldg, Corvallis, OR 97330 and DILLES, John H., College of Earth, Ocean & Atmospheric Sciences, Oregon State University, CEOAS Admin 104, Corvallis, OR 97331-5503, mikesepp@gmail.com
    297-12
    5:00 PM
    Withdrawn
     
    4:45 PM
    Discussion
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