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Activity

2024

• FENITIZATION OF MAFIC WALLROCK ASSOCIATED WITH EMPLACEMENT OF REE-RICH CARBONATITES OF SHEEP CREEK, SOUTHERN RAVALLI COUNTY, MONTANA
  37 D1. Recent Advances in Geoscience and Geoscience Education (Posters)
  Friday, 17 May 2024

  9:00 AM - 1:30 PM

  Grand Ballroom
• GEOCHEMISTRY AND HYPERSPECTRAL MINEROLOGY OF THE BOULDER PORPHYRY CU-MO PROSPECT, SOUTHWESTERN MONTANA
  24 Mineral Deposits of the Western United States: A View from the States and Industry (Posters)
  Thursday, 16 May 2024

  9:00 AM - 5:30 PM

  Grand Ballroom
• TRACE METAL COMPOSITION OF FLUORESCENT SPHALERITE FROM BUTTE, MONTANA
  1 Recent Advances in Mineral Resources Research and Exploration
  Wednesday, 15 May 2024

  8:00 AM - 12:00 PM

  Birch Ballroom
• USING STREAM-SEDIMENT INDICATOR MINERALS TO EXPLORE FOR RARE EARTH ELEMENT DEPOSITS IN THE SHEEP CREEK AREA OF SOUTHWEST MONTANA
  14 Magmatic Rare Earth Element Ore Deposits and Minerals for the Future
  Wednesday, 15 May 2024

  1:30 PM - 5:30 PM

  Birch Ballroom
• THE CRYSTAL MOUNTAIN FLUORITE (SC,Y) DEPOSIT, SAPPHIRE MOUNTAINS, MONTANA: IGNEOUS OR HYDROTHERMAL?
  6 Recent Advances in Mineral Resources Research and Exploration (Posters)
  Wednesday, 15 May 2024

  9:00 AM - 5:30 PM

  Grand Ballroom
• GEOLOGY AND STABLE CARBON ISOTOPES OF THE RUBY GRAPHITE DEPOSIT, BEAVERHEAD COUNTY, MONTANA
  6 Recent Advances in Mineral Resources Research and Exploration (Posters)
  Wednesday, 15 May 2024

  9:00 AM - 5:30 PM

  Grand Ballroom

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2021

• INVESTIGATIONS OF ORE-FORMING CONDITIONS AND FLUID SOURCES AT THE BLACK BUTTE COPPER PROJECT, BELT BASIN, MONTANA
  T184 Metals for the Future: Geology of Critical and Basic Minerals for the Green Economy (Posters)
  Tuesday, 12 October 2021

  2:30 PM - 6:30 PM

  Exhibit Hall A
• THE IMPORTANCE OF THE AQUEOUS FERRIC/FERROUS REDOX BUFFER TO IOCG AND OTHER HEMATITE-RICH HYDROTHERMAL DEPOSITS
  T101 Metals for the Future: Geology of Critical and Basic Minerals for the Green Economy II
  Monday, 11 October 2021

  1:30 PM - 5:30 PM

  Portland Ballroom 257 (Hybrid Room)

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2016

• GEOCHEMICAL INVESTIGATION OF THE HISTORIC HECLA AG-PB MINING DISTRICT, PIONEER MOUNTAINS, MONTANA
  9 Mineral Deposits and Metallogeny of Western North America (Posters)
  Wednesday, 18 May 2016

  8:00 AM - 6:00 PM

  Clearwater Room

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2015

• GEOCHEMICAL ANALYSIS OF ANTHROPOGENIC FERRICRETES AND STREAM GEOCHEMISTRY, JUDITH MOUNTAINS, MT
  296 Recent Advances in Hydrogeology (Posters)
  Wednesday, 4 November 2015

  9:00 AM - 6:30 PM

  Exhibit Hall
• NEW INTERPRETATIONS OF VEIN GENESIS FOR THE EMERY MINING DISTRICT, POWELL COUNTY, MONTANA
  T83 Metals in Ore Fluids: Sources, Concentrations, Modes of Transport, and Precipitation
  Monday, 2 November 2015

  8:00 AM - 12:00 PM

  Room 322/323
• STABLE ISOTOPES OF HYDROTHERMAL CARBONATE MINERALS IN THE BUTTE PORPHYRY-LODE DEPOSITS, MONTANA
  14 Mineralogy, Petrology, and Mining
  Friday, 22 May 2015

  1:00 PM - 4:05 PM

  Wyoming Theater
• FLUID INCLUSION AND PETROGRAPHIC ANALYSIS OF THE EMERY MINING DISTRICT, SOUTHWEST MONTANA
  12 Mineralogy, Petrology, and Mining (Posters)
  Friday, 22 May 2015

  8:00 AM - 6:00 PM

  North/Central Ballroom
• NATURAL ACID ROCK DRAINAGE CHEMISTRY AND FERRICRETE DEPOSITS OF THE JUDITH MOUNTAINS, MONTANA
  11 Economic Geology, Geochemistry, and Energy (Posters)
  Friday, 22 May 2015

  8:00 AM - 6:00 PM

  North/Central Ballroom

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2014

• ORIGIN OF THE BLACK BUTTE STRATIFORM CU-CO-AG MASSIVE SULFIDE DEPOSIT, CENTRAL MONTANA: PRELIMINARY SR ISOTOPE EVIDENCE
  22 Precambrian II: Meso- and Neoproterozoic Evolution of Western Laurentia I: In Honor of Don Winston
  Tuesday, 20 May 2014

  1:00 PM - 5:00 PM

  Gaines Hall 101

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2013

• USING CU ISOTOPES TO STUDY FLUID-ROCK INTERACTION IN THE BUTTE MINING DISTRICT, MONTANA
  T315 Recent Advances and Applications of Isotope Geochemistry and Geochronology to Ore Deposit Studies
  Wednesday, 30 October 2013

  8:00 AM - 12:00 PM

  Room 303
• PARAGENESIS AND FLUID INCLUSION STUDY OF EPITHERMAL AU-AG VEINS AT THE DRUMLUMMON MINE, MONTANA
  223 Economic Geology (Posters)
  Tuesday, 29 October 2013

  9:00 AM - 6:30 PM

  Hall D
• RAPID ANALYSIS OF SECONDARY MANGANESE OXIDES USING PORTABLE XRF: APPLICATIONS TO ENVIRONMENTAL GEOCHEMISTRY AND MINERAL EXPLORATION
  T245 Celebrating the Scientific Contributions of Kirk Nordstrom—Part 1: Acid to Neutral Mine Drainage, Geochemistry of Iron and Sulfur, Sulfate Minerals, Natural Background, and Geochemical Modeling (Posters)
  Tuesday, 29 October 2013

  9:00 AM - 6:30 PM

  Hall D
• GEOCHEMISTRY OF NATURAL ACID ROCK DRAINAGE IN THE JUDITH MOUNTAINS, CENTRAL MONTANA, USA
  T113 Celebrating the Scientific Contributions of Kirk Nordstrom—Part 1: Acid to Neutral Mine Drainage, Geochemistry of Iron and Sulfur, Sulfate Minerals, Natural Background, and Geochemical Modeling
  Monday, 28 October 2013

  8:00 AM - 12:00 PM

  Room 503

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2011

• PARAGENESIS OF COBALT AND NICKEL IN THE PROTEROZOIC SHEEP CREEK MASSIVE SULFIDE DEPOSIT, CENTRAL MONTANA
  168 Economic Geology (Posters)
  Tuesday, 11 October 2011

  9:00 AM - 6:00 PM

  Hall C
• GEOCHEMISTRY OF ARSENIC IN SEDIMENT PORE WATERS OF SHALLOW LAKES TREATING HEAVY METALS NEAR BUTTE, MONTANA
  T84 Recent Advances in Studies of Dissolved Arsenic and Other Metals in Global Hydrologic Systems I
  Monday, 10 October 2011

  8:00 AM - 12:00 PM

  Room M100FG
• GEOCHEMISTRY AND STABLE ISOTOPES OF A EUTROPHIC LAKE IN WESTERN MONTANA, USA
  T63 Processes within Extreme Lake Systems
  Sunday, 9 October 2011

  1:30 PM - 5:30 PM

  Room M100DE

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2010

• INFLUENCE OF COPPER RECOVERY ON THE LIMNOLOGY AND GEOCHEMISTRY OF THE BERKELEY PIT LAKE, BUTTE, MONTANA
  T157 Environmental Geochemistry for Modern Mining
  Tuesday, 2 November 2010

  8:00 AM - 12:00 PM

  Room 601
• USING STABLE ISOTOPES TO TRACE CONTAMINATION OF THE MADISON LIMESTONE AQUIFER FROM ACIDIC COAL MINE DRAINAGE, CENTRAL MONTANA
  T82 Sources of Acid Rock Drainage to Draining Mine Tunnels and in Complex Geologic Systems
  Monday, 1 November 2010

  8:00 AM - 12:00 PM

  Room 402
• SECONDARY ENRICHMENT OF COPPER AT THE MADISON GOLD SKARN DEPOSIT, SILVER STAR DISTRICT, MONTANA
  T39 Vapors, Brines, Sulfides, and Mines: Understanding Metal Mobility in Magma-Hydrothermal Systems and Their Supergene Successors (Posters)
  Sunday, 31 October 2010

  8:00 AM - 6:00 PM

  Hall D

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2009

• ZORTMAN-LANDUSKY: CHALLENGES IN A DECADE OF CLOSURE
  218 Environmental Geoscience: Global Science, Local Focus
  Wednesday, 21 October 2009

  8:00 AM - 12:00 PM

  Portland Ballroom 253
• SEASONAL AND SPATIAL GRADIENTS IN STABLE ISOTOPES OF DISSOLVED OXYGEN AND DISSOLVED INORGANIC CARBON IN A FLOODPLAIN AQUIFER
  T78 Groundwater in Ecosystems: Effects of Physical, Chemical, and Biological Processes and Feedback Mechanisms
  Monday, 19 October 2009

  8:00 AM - 12:00 PM

  D137/138
• DIEL CYCLES IN STABLE-ISOTOPE COMPOSITION OF NITRATE, AMMONIA, DISSOLVED OXYGEN, AND DISSOLVED INORGANIC CARBON IN A HYPEREUTROPHIC STREAM
  T69 Diurnal Biogeochemical Processes in Rivers, Lakes, and Shallow Groundwater
  Sunday, 18 October 2009

  1:30 PM - 5:30 PM

  C124
• DIEL CYCLES OF NUTRIENTS AND TRACE METALS IN A HYPEREUTROPHIC STREAM, SILVER BOW CREEK, MONTANA
  T69 Diurnal Biogeochemical Processes in Rivers, Lakes, and Shallow Groundwater
  Sunday, 18 October 2009

  1:30 PM - 5:30 PM

  C124
• A BIOLOGICAL CAUSE FOR LARGE SUMMER DIEL STREAMFLOW CYCLES, UPPER BIG HOLE RIVER, SOUTHWESTERN MONTANA
  T69 Diurnal Biogeochemical Processes in Rivers, Lakes, and Shallow Groundwater
  Sunday, 18 October 2009

  1:30 PM - 5:30 PM

  C124

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2008

• Preliminary Oxygen Isotope Values for Montana Sapphires
  193 Mineralogy/Crystallography; Petrology, Experimental; Igneous; Metamorphic (Posters)
  Monday, 6 October 2008

  8:00 AM - 6:00 PM

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2007

• ELECTROCHEMICAL DETERMINATIONS OF KEY REDOX SPECIES ASSOCIATED WITH MICROBIAL ACTIVITY
  T126 Perspectives in Redox Geochemistry and Microbial Processes
  Tuesday, 30 October 2007

  8:00 AM - 12:00 PM

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2003

• DIEL FLUCTUATION OF HEAVY METALS AND RARE EARTH ELEMENTS IN A MOUNTAIN STREAM WITH ACIDIC TO NEUTRAL PH
  232 Geochemistry, Aqueous II: Geochemistry of Water, Sediments, and Soils
  Wednesday, 5 November 2003

  1:30 PM - 5:30 PM
• EXPERIMENTAL STUDY OF THE SOLUBILITY OF REE PHOSPHATES IN AQUEOUS CHLORIDE SOLUTIONS FROM 23 TO 150ºC
  199 Environmental Geoscience II
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM
• THE ROLE OF FERRIC IRON IN SUBAQUEOUS OXIDATION OF PYRITE IN THE BERKELEY PIT-LAKE, BUTTE, MONTANA
  T100 Biogeochemical and Physical Processes in Mine Pit Lakes
  Monday, 3 November 2003

  1:30 PM - 5:30 PM