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GSA Annual Meeting in Phoenix, Arizona, USA - 2019

Session No. 242
Wednesday, 25 September 2019: 8:00 AM-12:00 PM
Room 126ABC, North Building (Phoenix Convention Center)

T47. A Metal Rhythm: Understanding Cyclical Processes in Mineralization

 

Sean Gaynor, Josh Rosera and Celestine N. Mercer, Advocates
Paper #
Start Time
 
8:00 AM
Introductory Remarks
242-1
8:05 AM
EPISODIC HYDROTHERMAL PROCESSES IN AU-SB-W DEPOSITS OF THE STIBNITE DISTRICT, IDAHO, USA: THE VALUE OF IN-SITU TECHNIQUES
GILLERMAN, Virginia S., Idaho Geological Survey, 322 E. Front St., Ste. 201, Boise, ID 83702, SCHMITZ, Mark D., Department of Geosciences, Boise State University, 1910 University Drive, Boise, ID 83725-1535 and DAIL, Christopher, Midas Gold Idaho, Inc., PO Box 429, 13181 Highway 55, Donnelly, ID 83615
242-2
8:20 AM
MULTIPLE POTASH-BEARING SALT CYCLES INCREASE THE OVERALL GRADE, THICKNESS AND TONNAGE OF MINABLE POTASH DEPOSITS
COCKER, Mark D. and ORRIS, Greta J., U.S. Geological Survey, GMEG, 520 N. Park Avenue Ste 355, Tucson, AZ 85719
242-3
8:35 AM
THE BONANZA GOLD ORES OF THE ALLEGHANY DISTRICT, CALIFORNIA
COVENEY Jr., Raymond M., Department of Geosciences, University of Missouri-Kansas City, room 510B Flarsheim Hall, 5110 Rockhill Rd, Kansas City, MO 64110; Minerals, MDPI Journals, Basel, Switzerland
Handouts
  • CoveneyGOLD2019 Phoenix FNL ver.pptx (23.3 MB)
    • 242-4
    8:50 AM
    Withdrawn
    242-5
    9:05 AM
    DENDRITIC ORE MINERALS IN THE BUCKSKIN NATIONAL AND FIRE CREEK BONANZA-STYLE LOW-SULFIDATION EPITHERMAL DEPOSITS, NEVADA
    TAKSAVASU, Tadsuda, MONECKE, Thomas and THARALSON, Erik R., Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401
    Handouts
  • GSA2019_Presentation_TT.pdf (10.5 MB)
    • 242-6
    9:20 AM
    CHARACTERIZATION OF PALEOPROTEROZOIC STRUCTURES, AURIFEROUS QUARTZ VEINS, AND HOST ROCKS, FISHER PROPERTY, SEABEE GOLD OPERATION, SASKATCHEWAN, CANADA
    ONSTAD, Courtney Carol1, ANSDELL, Kevin M.2, PARTIN, Camille A.2 and CARLSON, Anders3, (1)Geological Sciences, University of Saskatchewan, 114 Science Place, University of Saskatchewan, Saskatoon, SK S7H1N8, Canada, (2)Department of Geological Sciences, University of Saskatchewan, 114 Science Place, Saskatoon, SK S7N 5E2, Canada, (3)SSR Mining Inc., Suite 800 - 1055 Dunsmuir St., Vancouver, BC V7X1G4, Canada
     
    9:35 AM
    Break
    242-7
    9:50 AM
    LEAD AWAY FROM THE PORPHYRY: UNDERSTANDING THE SOURCE OF HYDROTHERMAL MINERALS IN THE QUESTA PORPHYRY MO DEPOSIT
    WOODY, Kelsey1, GAYNOR, Sean2, ROSERA, Joshua M.1 and COLEMAN, D.S.3, (1)Department of Geological Sciences, UNC Chapel Hill, Chapel Hill, NC 27599, (2)Department of Earth Sciences, University of Geneva, 13, Rue des Maraîchers, Geneva, 1205, Switzerland, (3)Department of Geological Sciences, University of North Carolina at Chapel Hill, CB# 3315, Mitchell Hall, Chapel Hill, NC 27599-3315
    242-8
    10:05 AM
    NEW INSIGHTS INTO PORPHYRY ORE MINERALIZATION FROM HIGH-PRECISION CA-ID-TIMS ZIRCON GEOCHRONOLOGY
    GAYNOR, Sean P., Department of Earth Sciences, University of Geneva, 13, Rue des Maraîchers, Geneva, 1205, Switzerland, ROSERA, Joshua M., Department of Geological Sciences, UNC Chapel Hill, Chapel Hill, NC 27599, COLEMAN, Drew S., Dept. of Geological Sciences, University of North Carolina, Chapel Hill, NC 27599-3315 and SCHALTEGGER, Urs, Department of Earth Sciences, University of Geneva, rue des Maraîchers 13, Geneva, 1205, Switzerland
    242-9
    10:20 AM
    TIMING THE ONSET OF VOLATILE-RICH, HIGH-SILICA MAGMATISM IN THE CENTRAL COLORADO MINERAL BELT: NEW INSIGHTS FROM CHEMICAL ABRASION ID-TIMS U/PB ZIRCON GEOCHRONOLOGY
    ROSERA, Joshua M., Department of Geological Sciences, University of North Carolina at Chapel Hill, Mitchell Hall CB 3315, 104 South Rd., Chapel Hill, NC 27599-3315, COLEMAN, Drew S., Department of Geological Sciences, UNC Chapel Hill, Chapel Hill, NC 27599 and GAYNOR, Sean, Department of Earth Sciences, University of Geneva, 13, Rue des Maraîchers, Geneva, 1205, Switzerland
    242-10
    10:35 AM
    DECODING THE RHYTHMS OF PORPHYRY COPPER SYSTEMS (Invited Presentation)
    LI, Yang, Institute of Geology and Geophysics, 19 Beitucheng West Road, Beijing, 100029, China and SELBY, David, Department of Geography, Durham University, Durham, DH1 3LE, United Kingdom
    242-11
    10:50 AM
    THE INFLUENCE OF INCREMENTAL MAGMA CHAMBER GROWTH ON ORE PRECIPITATION IN PORPHYRY COPPER DEPOSITS – A NUMERICAL MODELING APPROACH
    KORGES, Maximilian, WEIS, Philipp and ANDERSEN, Christine, GFZ German Research Centre for Geosciences, Telegrafenberg, Potsdam, 14473, Germany
    242-12
    11:05 AM
    TESTING ORE-FORMING MODELS OF BEHEMOTH PORPHYRY COPPER SYSTEMS USING HIGH-PRECISION GEOCHRONOLOGY (Invited Presentation)
    CHELLE-MICHOU, Cyril, Department of Earth Sciences, ETH Zurich, Clausiusstrasse 25, Zurich, 8092, Switzerland
     
    11:20 AM
    Discussion
    See more of: Technical Sessions
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