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GSA 2020 Connects Online

Session No. 1
Monday, 26 October 2020: 1:30 PM-5:30 PM

D1. Economic Geology

 

Richard Goldfarb, Chair
Paper #
Start Time
1-1
1:30 PM
EVIDENCE OF HYDROTHERMAL AMMONIUM VENTING INTO THE MID-PROTEROZOIC MCARTHUR BASIN
STÜEKEN, Eva E.1, GREGORY, Daniel2, MUKHERJEE, Indrani3 and MCGOLDRICK, Peter3, (1)School of Earth & Environmental Sciences, University of St Andrews, St Andrews, KY16 9AL, United Kingdom, (2)Department of Earth Sciences, University of Toronto, 22 Russell Street, Earth Science Centre, Toronto, ON M5S 3B1, Canada, (3)Centre for Ore Deposit and Earth Sciences, University of Tasmania, Hobart, TAS 7001, Australia
1-2
1:45 PM
AUTOMATED ORE BODY MODELING USING MACHINE LEARNING-BASED IMPUTATION AND ALPHA-SHAPE CONSTRUCTION
LU, Lyujian1, MONECKE, Thomas2, LI, Yaoguo3, WANG, Hua1, SEO, Hoon1 and DILWORTH, Kathi4, (1)Computer Science, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401; Center for Advanced Subsurface Earth Resource Models, 1500 Illinois St, Golden, CO 80401, (2)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401; Center for Advanced Subsurface Earth Resource Models, Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois St, Golden, CO 80401, (3)Geophysics, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401; Center for Advanced Subsurface Earth Resource Models, 1500 Illinois St, Golden, CO 80401, (4)Skeena Resources Ltd., 1021 W Hastings St #650, Vancouver, BC V6E 0C3, Canada
1-3
2:00 PM
THE LITHOGEOCHEMICAL SIGNATURES OF HYDROTHERMAL ALTERATION FRAMING PALEOPROTEROZOIC AURIFEROUS QUARTZ VEINS, FISHER PROPERTY, SEABEE GOLD OPERATION, SASKATCHEWAN, CANADA
ONSTAD, Courtney Carol1, ANSDELL, Kevin M.1, PARTIN, Camille A.1 and CARLSON, Anders2, (1)Geological Sciences, University of Saskatchewan, 114 Science Place, University of Saskatchewan, Saskatoon, SK S7H1N8, Canada, (2)SSR Mining Inc., Suite 800 - 1055 Dunsmuir St., Vancouver, BC V7X1G4, Canada
1-4
2:15 PM
CRITICAL ELEMENT ASSOCIATIONS WITH RARE EARTHS AND ASH YIELDS IN FORT UNION GROUP LIGNITES, WILLISTON BASIN, NORTH DAKOTA
MOXNESS, Levi D., North Dakota Geological Survey, 600 East Boulevard, Dept. 405, Bismarck, ND 58505-0840
1-5
2:30 PM
ORE-HOSTING KAMOA-KAKULA DIAMICTITE MATRIX (DEMOCRATIC REPUBLIC OF CONGO) EXHIBITS TWO-STAGE CU MINERALISATION
TURNER, Elizabeth C.1, DABROS, Quinn1 and BROUGHTON, David W.2, (1)Harquail School of Earth Sciences, Laurentian University, Sudbury, ON P3E 2C6, Canada, (2)Ivanhoe Mines Ltd, 654-999 Canada Place, Vancouver, BC V6C3E1
1-6
2:45 PM
REDUCING LABORATORY COSTS BY ESTIMATING TOTAL RARE EARTH CONCENTRATIONS FROM SEVEN OR FEWER ANALYZED ELEMENTS IN WESTERN NORTH DAKOTA COALS
KRUGER, Ned W., North Dakota Geological Survey, 600 East Boulevard Avenue, Bismarck, ND 58505-0840
1-7
3:00 PM
ISOTOPIC INVESTIGATIONS OF THE NI-SULFIDE NOVA-BOLLINGER DEPOSIT, WESTERN AUSTRALIA: S, SR AND SM-ND SYSTEMS
TARANOVIC, Valentina1, BARNES, Stephen2, FIORENTINI, Marco L.3 and BATHGATE, Kathleen3, (1)Kragujevac, 34000, Serbia, (2)CSIRO Exploration and Mining, Australian Resources Research Centre, PO Box 1130, Bentley, Perth, WA 6102, Australia, (3)Centre for Exploration Targeting, University of Western Australia, 35 Stirling Highway, Perth, WA 6009, Australia
 
3:15 PM
Break
1-8
3:30 PM
PRELIMINARY SCANNING ELECTRON MICROSCOPY INVESTIGATION OF TALC ORE FROM WILLOW CREEK MINE, MONTANA IDENTIFIES THE OCCURRENCE OF MERCURY SELENIDE (TIEMANNITE) INCLUSIONS IN GRAPHITE AND OTHER PARTICLES OF CONCERN
KLEIN, Ethan, Geology & Environmental Earth Science, Miami University, 250 S. Patterson Avenue, Oxford, OH 45011 and KREKELER, Mark P.S., Department of Geology and Environmental Earth Science, Miami University, Oxford, OH 45056
1-9
3:40 PM
A STRATIGRAPHIC AND GEOCHEMICAL ANALYSIS OF NORTH MISSISSIPPI BAUXITES
CLARK, Timothy B. and PLATT, Brian F., Department of Geology and Geological Engineering, University of Mississippi, 120A Carrier Hall, University, MS 38677
1-10
3:50 PM
EXAMINING THE RELATIONSHIP BETWEEN SEDIMENTARY-HOSTED AU DEPOSITS AND MAGMATISM IN THE BATTLE MOUNTAIN MINING DISTRICT USING GEOCHEMISTRY, GEOCHRONOLOGY, AND THERMOCHRONOLOGY
HUFF, Dante E., Department of Geology and Geological Engineering, Colorado School of Mines, Berthoud Hall, 1516 Illinois St, Golden, CO 80401, HOLLEY, Elizabeth, Mining Engineering Department, Colorado School of Mines, 1500 Illinois St., Golden, CO 80401 and GUENTHNER, William R., Department of Geology, University of Illinois at Urbana-Champaign, 3081 Natural History Building, 1301 W. Green St., Urbana, IL 61801
1-11
4:00 PM
MICROTEXTURAL CHARACTERISTICS OF BLADED CALCITE AND QUARTZ PSEUDOMORPHS IN EPITHERMAL VEINS: IMPLICATIONS TO THE PROCESSES OF ORE MINERAL FORMATION IN SHALLOW HYDROTHERMAL SYSTEMS
TAKSAVASU, Tadsuda, Geology and Geological Engineering, Colorado School of Mines, Center for Mineral Resources Science, 1516 Illinois Street, Golden, CO 80401 and MONECKE, Thomas, Department of Geology and Geological Engineering, Colorado School of Mines, Center for Advanced Subsurface Earth Resource Models (CASERM), 1516 Illinous Street, Golden, CO 80401
1-12
4:10 PM
PREHISTORIC TIN MINING AT MT. CER: DETERMINING THE DURATION OF TIN PRODUCTION VIA ANALYSIS OF METALLURGICAL CRUCIBLE FRAGMENTS FROM WEST SERBIA
PACIFICO, Lina and POWELL, Wayne, Department of Earth and Environmental Sciences, Brooklyn College, 2900 Bedford Avenue, Brooklyn, NY 11210
1-13
4:20 PM
NEW U-PB ZIRCON SHRIMP GEOCHRONOLOGY OF VOLCANIC ROCKS OF THE THOMAS RANGE AND THE WORLD CLASS BE-U-F DEPOSIT AT SPOR MOUNTAIN, UTAH: A RECORD OF REGIONAL MAGMATISM FROM 37 TO 5 MA
FOLEY, Nora K.1, AYUSO, Robert A.1, VAZQUEZ, Jorge A.2 and LINDSEY, David A.3, (1)U.S. Geological Survey, 954 National Center, Reston, VA 20192, (2)U.S. Geological Survey, 345 Middlefield Rd, Menlo Park, CA 94025, (3)U.S. Geological Survey, Box 25046, Denver Federal Center, MS 973, Denver, CO 80225-0046
1-14
4:30 PM
MINERAL CHEMISTRY OF THE BI-AG-PB-FE-CU-SB-ZN SULFOSALTS FROM VETIFORM STRUCTURE MINERALIZATION, IBAGUE, COLOMBIA: A POSSIBLE MID-TEMPERATURE LOW TO INTERMEDIATE SULFIDATION SYSTEM
BOCANEGRA OLIVERA, Valentina1, RUIZ-URUEÑA, Jorge Enrique1, MOLANO MENDOZA, Juan Carlos1 and PEÑA SOLANO, Luis Giovanny2, (1)Geociencias, Universidad Nacional de Colombia, Cra. 45 # 26-85, Bogota, 111321, Colombia, (2)Departamento de Recursos Minerales, Servicio Geológico Colombiano, Diag. 53 # 34-53, Bogota, 111321, Colombia
1-15
4:40 PM
METALLOGENESIS OF THE EOCENE-OLIGOCENE SANTA MARIA AND ANTARES ZN-SKARN DEPOSITS, VELARDEÑA MINING DISTRICT, DURANGO, MEXICO
CANO, Néstor Alfredo1, CAMPRUBÍ, Antoni1, GONZÁLEZ-AMBROCIO, Ana Karen1, ALFONSO, Pura2, MIGGINS, D.P.3, GONZÁLEZ-PARTIDA, Eduardo4 and COLÁS, Vanessa1, (1)Instituto de Geología, Universidad Nacional Autónoma de México, Ciudad Universitaria, Ciudad de México, DF 04510, Mexico, (2)Departament d'Enginyeria Minera i Recursos Naturals, Universitat Politècnica de Catalunya, AV. BASES DE MANRESA, 61-73, Barcelona, 08240, Spain, (3)College of Earth, Ocean, and Atmospheric Sciences, Oregon State University, Corvallis, OR 97331, (4)Centro de Geociencias, Universidad Nacional Autónoma de México, Boulevard Juriquilla 3001, Juriquilla, 76230, Mexico
1-16
4:50 PM
PREDICTING 3D GEOSPATIAL DATA USING MACHINE LEARNING-BASED IMPUTATION METHODS
LU, Lyujian1, WANG, Hua1, LI, Yaoguo2, MONECKE, Thomas3 and SEO, Hoon1, (1)Computer Science, Colorado School of Mines, 1500 Illinois St, Golden, CO 80401; Center for Advanced Subsurface Earth Resource Models, 1500 Illinois St, Golden, CO 80401, (2)Geophysics, Colorado School of Mines, 1500 Illinois Street, Golden, CO 80401; Center for Advanced Subsurface Earth Resource Models, 1500 Illinois St, Golden, CO 80401, (3)Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois Street, Golden, CO 80401; Center for Advanced Subsurface Earth Resource Models, Department of Geology and Geological Engineering, Colorado School of Mines, 1516 Illinois St, Golden, CO 80401
1-17
5:00 PM
LOWER JURASSIC VOLCANIC AND SEDIMENTARY ROCKS DEPOSITIONALLY OVERLIE UPPER TRIASSIC HOST ROCKS AT THE PALMER VMS PROPERTY IN THE ALEXANDER TRIASSIC METALLOGENIC BELT, SOUTHEAST ALASKA
KARL, Susan M.1, STEEVES, Nathan2, QUINN, Kei3, PROFFETT, John M.4, O'SULLIVAN, Paul B.5, MCMILLAN, Jim5 and JONES III, James V.1, (1)U.S. Geological Survey, Alaska Science Center, 4210 University Drive, Anchorage, AK 99508, (2)HighGold Mining, 800 West Pender St, Suite 320, Vancouver, BC V6C2V6, Canada, (3)Constantine North, Inc., 124 3rd Ave., Haines, AK 99827, (4)P.O. Box 772066, Eagle River, AK 99577, (5)GeoSep Services, 1521 Pine Cone Rd, Moscow, ID 83843
1-18
5:10 PM
PRELIMINARY DATA SHOWING GEOCHEMICAL CHARACTERISTICS AND RELATIONSHIPS AMONG AURIFEROUS PYRITE FROM VARYING ORE UNITS AT ROUND MOUNTAIN GOLD MINE
RULEY, Alex1, SHAULIS, Barry2, MCLEOD, Claire L.1 and KREKELER, Mark P.S.3, (1)Geology and Environmental Earth Science, Miami University, 118 Shideler hall, 250 S. Patterson Ave, Oxford, OH 45056, (2)University of Arkansas Stable Isotope Laboratory, University of Arkansas, Fayetteville, AR 72701, (3)Department of Geology & Environmental Earth Sciences, Miami University - Hamilton, 1601 University Blvd., Hamilton, OH 45011
1-19
5:20 PM
GEOLOGICAL, GEOCHEMICAL AND MINERALOGICAL INVESTIGATION OF JANJA INTRUSION RELATED AND SKARN (AU-AG-CU-PB-ZN) DEPOSIT (SOUTHEAST OF NEHBANDAN, IRAN)
SOLEYMANI, Majid1, NIROOMAND, Shojaeddin1, RAJABI, Abdorrahman1 and LENTZ, David R.2, (1)School of Geology, College of Science, University of Tehran,, Tehran, 1417414418, Iran (Islamic Republic of), (2)Department of Earth Sciences, University of New Brunswick, 2 Bailey Drive, Fredericton, NB E3B 5A3, Canada
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