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Activity

2024

• MINERAL DEPOSITS OF THE 1.1 GA MIDCONTINENT RIFT SYSTEM
  T126 Ore Genesis in Extensional Tectonic Environments
  Monday, 23 September 2024

  1:30 PM - 5:30 PM

  207C

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2023

• A NEW COMPILATION OF PAST, CURRENT, AND POSSIBLY FUTURE CRITICAL MINERAL DEPOSITS ACROSS THE UNITED STATES; A COMPANION TO EARTH MRI FOCUS AREAS
  T142 Linking Critical Minerals and the Geologic Framework of North America I: The USGS Earth Mapping Resources Initiative (Earth MRI) and Related Activities
  Tuesday, 17 October 2023

  8:00 AM - 12:00 PM

  324
• CRITICAL MINERAL POTENTIAL OF THE NORTH-CENTRAL UNITED STATES
  14 Critical Minerals in North-Central United States: Exploration, Mining, and Processing
  Thursday, 4 May 2023

  1:30 PM - 5:30 PM

  EC 414
• CRITICAL MINERAL POTENTIAL OF THE EASTERN UNITED STATES
  23 Conventional and Unconventional Critical Mineral Resources in the Eastern United States
  Saturday, 18 March 2023

  8:00 AM - 12:00 PM

  Lake Audubon

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2022

• CRITICAL MINERALS IN THE UNITED STATES - EARTH MAPPING RESOURCES INITIATIVE (EARTH MRI) STATUS REPORT
  T4 Critical Minerals and Framework Geology: The USGS Earth Mapping Resources Initiative (Earth MRI) and Related Activities I
  Sunday, 9 October 2022

  8:00 AM - 12:00 PM

  601

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2018

• INTEGRATED GEOPHYSICAL MODELING PROVIDES INSIGHTS INTO THE THREE-DIMENSIONAL GEOMETRY OF THE MIDCONTINENT RIFT IN WESTERN LAKE SUPERIOR
  T119 Evolution of the Midcontinent Rift: A Window into Proterozoic Environments, a Repository of Minerals, and a Lesson in Rifting (Posters)
  Monday, 5 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• SEISMIC STRATIGRAPHY OF THE 1.1 GA MIDCONTINENT RIFT BENEATH WESTERN LAKE SUPERIOR PART II: EVOLUTION OF RIFT-FILL THROUGH TIME
  T119 Evolution of the Midcontinent Rift: A Window into Proterozoic Environments, a Repository of Minerals, and a Lesson in Rifting (Posters)
  Monday, 5 November 2018

  9:00 AM - 6:30 PM

  Halls J-K
• DIVERSE FEEDER SOURCES FOR THE PORTAGE LAKE VOLCANICS, MIDCONTINENT RIFT SYSTEM
  T16 Evolution of the Midcontinent Rift: A Window into Proterozoic Environments, a Repository of Minerals, and a Lesson in Rifting I
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 242
• MINERAL DEPOSITS OF THE MIDCONTINENT RIFT SYSTEM - A NEW TIME/SPACE CLASSIFICATION
  T68 Evolution of the Midcontinent Rift: A Window into Proterozoic Environments, a Repository of Minerals, and a Lesson in Rifting II
  Sunday, 4 November 2018

  1:30 PM - 5:30 PM

  Room 242
• REVERSE FAULT OR COMPLEX FEEDER ZONE?: EVALUATING GEOPHYSICAL OBSERVATIONS OF THE 1.1 GA MIDCONTINENT RIFT FROM ISLE ROYALE TO SUPERIOR SHOAL AND BROADER GEOLOGIC IMPLICATIONS FOR NORTHERN LAKE SUPERIOR
  T16 Evolution of the Midcontinent Rift: A Window into Proterozoic Environments, a Repository of Minerals, and a Lesson in Rifting I
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 242
• SEISMIC STRATIGRAPHY OF THE 1.1 GA MIDCONTINENT RIFT BENEATH WESTERN LAKE SUPERIOR PART I: SUBSIDENCE AS A MAJOR DRIVER ON BASIN DEVELOPMENT
  T16 Evolution of the Midcontinent Rift: A Window into Proterozoic Environments, a Repository of Minerals, and a Lesson in Rifting I
  Sunday, 4 November 2018

  8:00 AM - 12:00 PM

  Room 242

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2016

• REWORKED AND K-METASOMATIZED EJECTA FROM THE SUDBURY IMPACT OCCURS IN MULTIPLE BEDS IN THE GOGEBIC IRON RANGE, WISCONSIN, USA
  T290 Impact Cratering on Earth and throughout the Solar System
  Wednesday, 28 September 2016

  8:00 AM - 12:00 PM

  Room 201
• METALLOGENY OF THE 1.1 GA MIDCONTINENT RIFT
  T37 Precambrian Evolution and Mineral Resources of the Midcontinent Rift Region II: In Honor of William J. Hinze
  Sunday, 25 September 2016

  1:30 PM - 5:30 PM

  Room 407
• ALMOST AN OCEAN–THE EVOLUTION OF THE 1.1 GA MIDCONTINENT RIFT
  T7 Precambrian Evolution and Mineral Resources of the Midcontinent Rift Region I: In Honor of William J. Hinze
  Sunday, 25 September 2016

  8:00 AM - 12:00 PM

  Room 407

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2015

• PRE-MINING OXYGEN, HYDROGEN, AND SULFUR ISOTOPE CHARACTERISTICS OF SURFACE WATERS DRAINING THE MINERALIZED BASAL ZONE OF THE DULUTH COMPLEX, NORTHERN MINNESOTA
  T153 Sources, Transport, Fate, and Toxicology of Trace Elements and Organics in the Environment
  Monday, 2 November 2015

  1:30 PM - 5:30 PM

  Room 322/323

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2014

• A U.S. NATIONAL PERSPECTIVE ON THE LEAD CONTENT OF SOILS
  T190 Trace Elements and Organics in Environmental and Urban Geochemistry II
  Tuesday, 21 October 2014

  8:00 AM - 12:00 PM

  204
• DISTRIBUTION OF PB, CD, CR, CU, ZN, NI, AND BA IN SOILS OF THE CONTERMINOUS UNITED STATES
  T133 Trace Elements and Organics in Environmental and Urban Geochemistry(Posters)
  Monday, 20 October 2014

  9:00 AM - 6:30 PM

  Exhibition Hall C

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2013

• NEW SOIL GEOCHEMISTRY AND MINERALOGY FOR THE CONTERMINOUS UNITED STATES
  T391 Geochemical Mapping at Regional to Continental Scales
  Wednesday, 30 October 2013

  1:00 PM - 5:00 PM

  Room 601
• MAPPING THE DISTRIBUTION OF ARSENIC IN SOILS OF THE CONTERMINOUS UNITED STATES
  T391 Geochemical Mapping at Regional to Continental Scales
  Wednesday, 30 October 2013

  1:00 PM - 5:00 PM

  Room 601
• A DYNAMIC DATABASE FOR GEOCHEMICAL AND MINERALOGICAL DATA FOR SOILS OF THE CONTERMINOUS UNITED STATES COLLECTED FOR THE USGS GEOCHEMICAL LANDSCAPES PROJECT
  T391 Geochemical Mapping at Regional to Continental Scales
  Wednesday, 30 October 2013

  1:00 PM - 5:00 PM

  Room 601

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2012

• SOIL GEOCHEMISTRY AND MINERALOGY FOR THE CONTERMINOUS UNITED STATES – THE USGS GEOCHEMICAL LANDSCAPES SOIL SURVEY
  T162 Sources, Transport, Fate, and Toxicology of Trace Elements and Organics in the Environment (Posters)
  Tuesday, 6 November 2012

  9:00 AM - 6:00 PM

  Hall B
• USING QUANTITATIVE MINERALOGY TO ENHANCE INTERPRETATIONS OF NATIONAL-SCALE PATTERNS OF TRACE ELEMENT DISTRIBUTIONS IN SOIL—RESULTS FROM THE USGS SOIL GEOCHEMICAL AND MINERALOGIC SURVEY OF THE CONTERMINOUS UNITED STATES
  T162 Sources, Transport, Fate, and Toxicology of Trace Elements and Organics in the Environment (Posters)
  Tuesday, 6 November 2012

  9:00 AM - 6:00 PM

  Hall B

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2011

• SPECIATION AND MINERALOGY OF ARSENIC IN GLACIAL SEDIMENTS AND THEIR EFFECT ON ARSENIC CONCENTRATIONS IN GROUNDWATER, MINNESOTA, USA
  T283 Advances in Characterizing Sources and Release of Naturally Occurring Trace Elements to Aquatic Systems and Groundwater
  Wednesday, 12 October 2011

  1:30 PM - 5:30 PM

  Room M100FG
• THE 1.1 GA MIDCONTINENT RIFT IN THE LAKE SUPERIOR REGION
  T87 Geology and Mineral Deposits of the Midcontinent Rift I
  Monday, 10 October 2011

  8:00 AM - 12:00 PM

  Room 101H-J
• DISTRIBUTION OF TRACE AND POTENTIALLY TOXIC ELEMENTS IN SOILS AT THE NATIONAL SCALE – THE USGS GEOCHEMICAL LANDSCAPES PROJECT
  T40 Sources, Transport, and Fate of Trace and Toxic Elements in the Environment (Posters)
  Sunday, 9 October 2011

  9:00 AM - 6:00 PM

  Hall C

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2008

• Continental-Scale Patterns in Soil Geochemistry and Mineralogy: Results from Two Transects across the United States and Canada
  T325 Soil Geochemistry: Databases and Applications at Regional to Continental Scales
  Wednesday, 8 October 2008

  1:30 PM - 5:30 PM
• Geochemical transect of Alaska--the chemical weathering of soil as it relates to climate and biota
  T325 Soil Geochemistry: Databases and Applications at Regional to Continental Scales
  Wednesday, 8 October 2008

  1:30 PM - 5:30 PM
• Importance of Consistent Protocols for National and International Projects
  T325 Soil Geochemistry: Databases and Applications at Regional to Continental Scales
  Wednesday, 8 October 2008

  1:30 PM - 5:30 PM

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2005

• CHEMICAL VARIATION IN A- AND C-HORIZON SOIL ALONG TWO NORTH AMERICAN CONTINENTAL TRANSECTS
  156 Environmental Geoscience (Posters)
  Tuesday, 18 October 2005

  8:00 AM - 12:00 PM
• GEOLOGY OF THE MIDCONTINENT RIFT IN WESTERN LAKE SUPERIOR
  28 The Midcontinent Rift in the Lake Superior Region: A Modern Integration of a Century of Studies
  Friday, 20 May 2005

  8:00 AM - 12:00 PM
• A GEOGRAPHIC INFORMATION SYSTEM ON THE GEOLOGY AND MINERAL RESOURCES OF THE MIDCONTINENT RIFT SYSTEM
  22 Evolution of Crustal Melts & Mineral Deposits (Posters)
  Thursday, 19 May 2005

  1:20 PM - 5:20 PM

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2003

• P-T EVOLUTION OF THE YAMBE PERIDOTITE, NORTHERN NEW CALEDONIA: HIGH-P ULTRAMYLONITE DEVELOPMENT DURING THE EMPLACEMENT OF 'PROGRADE SUBDUCTION ZONE' PERIDOTITE
  T219 Phase Relations, High P-T Terrains, P-T-ometry and Plate Pushing IV: A Tribute to W.G. Ernst
  Wednesday, 5 November 2003

  8:00 AM - 12:00 PM
• DESCRIBING THE GEOCHEMICAL LANDSCAPE OF NORTHWESTERN WISCONSIN, USA
  T18 Comprehensive Landscape Analysis—A Predictive Tool for Mapping Surficial Deposits and Their Environmental Attributes
  Sunday, 2 November 2003

  8:00 AM - 12:00 PM

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2002

• PROLONGED INFLUENCE OF WILDFIRES ON THE GEOCHEMISTRY OF FOREST SOILS, ISLE ROYALE NATIONAL PARK, MICHIGAN AND VOYAGEURS NATIONAL PARK, MINNESOTA
  T143 Geomorphic Impacts of Wildfire I
  Tuesday, 29 October 2002

  8:00 AM - 12:00 PM

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2001

• THE EFFECT OF FIRE ON MERCURY AND CARBON IN FOREST SOILS: RESULTS FROM NORTHERN MICHIGAN AND MINNESOTA
  77 Environmental Geoscience II
  Tuesday, 6 November 2001

  1:30 PM - 5:30 PM
• TRANSITIONAL EPITHERMAL-TO-TYPICAL VOLCANOGENIC MASSIVE SULFIDE DEPOSITS IN THE EARLY PROTEROZOIC PENOKEAN OROGEN, NORTHERN WISCONSIN
  76 Economic Geology II: Reserve/Resource Classification; MVT, VMS, SEDEX, and Layered Intrusions
  Tuesday, 6 November 2001

  2:00 PM - 5:30 PM