1 D1. Economic Geology

Monday, 26 October 2020
1:30 PM - 5:30 PM
Meeting Rooms

Presentations

• 1:30 PM
  EVIDENCE OF HYDROTHERMAL AMMONIUM VENTING INTO THE MID-PROTEROZOIC MCARTHUR BASIN
  Eva Stueeken, University of St Andrews, St Andrews and Daniel Gregory, University of Toronto, Toronto, ON and Indrani Mukherjee, University of Tasmania, Hobart, TAS and Peter McGoldrick, University of Tasmania, Hobart, TAS
  349686 (Technical Sessions)
• 1:45 PM
  AUTOMATED ORE BODY MODELING USING MACHINE LEARNING-BASED IMPUTATION AND ALPHA-SHAPE CONSTRUCTION
  Lyujian Lu, Colorado School of Mines, Golden, CO and Lyujian Lu, Golden, CO and Thomas Monecke, Colorado School of Mines, Golden, CO and Thomas Monecke, Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO and Yaoguo Li, Colorado School of Mines, Golden, CO and Yaoguo Li, Center for Advanced Subsurface Earth Resource Models, Golden, CO and Hua Wang, Colorado School of Mines, Golden, CO and Hua Wang, Center for Advanced Subsurface Earth Resource Models, Golden, CO and Hoon Seo, Colorado School of Mines, Golden, CO and Hoon Seo, Aurora, CO and Kathi Dilworth, Skeena Resources Ltd., Vancouver, BC
  357016 (Technical Sessions)
• 2:00 PM
  THE LITHOGEOCHEMICAL SIGNATURES OF HYDROTHERMAL ALTERATION FRAMING PALEOPROTEROZOIC AURIFEROUS QUARTZ VEINS, FISHER PROPERTY, SEABEE GOLD OPERATION, SASKATCHEWAN, CANADA
  Courtney Onstad, Saskatoon, SK and Kevin Ansdell, University of Saskatchewan, Saskatoon, SK and Camille Partin, University of Saskatchewan Geological Sciences, Saskatoon, SK and Anders Carlson, Vancouver, BC
  357598 (Technical Sessions)
• 2:15 PM
  CRITICAL ELEMENT ASSOCIATIONS WITH RARE EARTHS AND ASH YIELDS IN FORT UNION GROUP LIGNITES, WILLISTON BASIN, NORTH DAKOTA
  Levi Moxness, Bismarck, ND
  358754 (Technical Sessions)
• 2:30 PM
  ORE-HOSTING KAMOA-KAKULA DIAMICTITE MATRIX (DEMOCRATIC REPUBLIC OF CONGO) EXHIBITS TWO-STAGE CU MINERALISATION
  Elizabeth C. Turner, Laurentian University, Sudbury, ON and Quinn Dabros, Laurentian University, Sudbury, ON and David W. Broughton, Ivanhoe Mines Ltd, Vancouver, BC
  359100 (Technical Sessions)
• 2:45 PM
  REDUCING LABORATORY COSTS BY ESTIMATING TOTAL RARE EARTH CONCENTRATIONS FROM SEVEN OR FEWER ANALYZED ELEMENTS IN WESTERN NORTH DAKOTA COALS
  Ned Kruger, North Dakota Geological Survey, Bismarck, ND
  359407 (Technical Sessions)
• 3:15 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
  Ethan Klein, Stevenson Ranch, CA and Mark Krekeler, Miami University - Hamilton, Hamilton, OH
  356726 (Technical Sessions)
• 3:25 PM
  A STRATIGRAPHIC AND GEOCHEMICAL ANALYSIS OF NORTH MISSISSIPPI BAUXITES
  Timothy B. Clark, University of Mississippi, University, MS and Brian Platt, University of Mississippi, University, MS
  358924 (Technical Sessions)
• 3:35 PM
  MICROTEXTURAL CHARACTERISTICS OF BLADED CALCITE AND QUARTZ PSEUDOMORPHS IN EPITHERMAL VEINS: IMPLICATIONS TO THE PROCESSES OF ORE MINERAL FORMATION IN SHALLOW HYDROTHERMAL SYSTEMS
  Tadsuda Taksavasu, Center for Mineral Resources Science, Golden, CO and Thomas Monecke, Center for Advanced Subsurface Earth Resource Models (CASERM), Golden, CO
  358803 (Technical Sessions)
• 3:45 PM
  PREHISTORIC TIN MINING AT MT. CER: DETERMINING THE DURATION OF TIN PRODUCTION VIA ANALYSIS OF METALLURGICAL CRUCIBLE FRAGMENTS FROM WEST SERBIA
  Lina Pacifico, Brooklyn, NY and Wayne Powell, Brooklyn College, Brooklyn, NY
  348997 (Technical Sessions)
• 3:55 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
  Nora K. Foley, U.S. Geological Survey, Reston, VA and Robert A. Ayuso, U.S. Geological Survey, Reston, VA and Jorge A. Vazquez, Menlo Park, CA and David A. Lindsey, Denver, CO
  354638 (Technical Sessions)
• 4:05 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
  Valentina Bocanegra, Bogotá D.C.Cundinamarca and Jorge Enrique Ruiz-Urueña, Universidad Nacional de Colombia, Bogota and Juan Carlos Molano Mendoza, Universidad Nacional de Colombia, Bogota and Luis Giovanny Peña Solano, Servicio Geológico Colombiano, Bogota
  356442 (Technical Sessions)
• 4:15 PM
  METALLOGENESIS OF THE EOCENE-OLIGOCENE SANTA MARIA AND ANTARES ZN-SKARN DEPOSITS, VELARDEÑA MINING DISTRICT, DURANGO, MEXICO
  Nestor Cano, Universidad Nacional Autónoma de México, Mexico City, DF and Antoni Camprubí, Universidad Nacional Autónoma de México, Ciudad de México, DF and Ana Karen González-Ambrocio, Universidad Nacional Autónoma de México, Ciudad de México, DF and Pura Alfonso, Universitat Politècnica de Catalunya, Barcelona and D.P. Miggins, Oregon State University, Corvallis, OR and Eduardo González-Partida, Universidad Nacional Autónoma de México, Juriquilla and Vanessa Colás, Instituto de Geología UNAM, Coyoacán, DF
  356471 (Technical Sessions)
• 4:25 PM
  PREDICTING 3D GEOSPATIAL DATA USING MACHINE LEARNING-BASED IMPUTATION METHODS
  Lyujian Lu, Colorado School of Mines, Golden, CO and Lyujian Lu, Golden, CO and Hua Wang, Colorado School of Mines, Golden, CO and Hua Wang, Center for Advanced Subsurface Earth Resource Models, Golden, CO and Yaoguo Li, Colorado School of Mines, Golden, CO and Yaoguo Li, Center for Advanced Subsurface Earth Resource Models, Golden, CO and Thomas Monecke, Colorado School of Mines, Golden, CO and Thomas Monecke, Department of Geology and Geological Engineering, Colorado School of Mines, Golden, CO and Hoon Seo, Colorado School of Mines, Golden, CO and Hoon Seo, Aurora, CO
  356905 (Technical Sessions)
• 4:35 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
  Susan Karl, US Geological SurveyAlaska Science Center, Anchorage, AK and Nathan Steeves, HighGold Mining, Vancouver, BC and Kei Quinn, Constantine North, Inc., Haines, AK and John Proffett, Eagle River, AK and Paul O'Sullivan, Moscow, ID and Jim McMillan, Moscow, ID and James Jones, Alaska Science Center, Anchorage, AK
  357716 (Technical Sessions)
• 4:45 PM
  GEOLOGICAL, GEOCHEMICAL AND MINERALOGICAL INVESTIGATION OF JANJA INTRUSION RELATED AND SKARN (AU-AG-CU-PB-ZN) DEPOSIT (SOUTHEAST OF NEHBANDAN, IRAN)
  Majid Soleymani, University of Tehran, Tehran and Shojaeddin Niroomand, University of Tehran,, Tehran and Abdorrahman Rajabi, University of Tehran,, Tehran and David R. Lentz, University of New Brunswick, Fredericton, NB
  355237 (Technical Sessions)