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Activity

2020

• EARTH'S EARLIEST ICE AGES: NEW ZIRCON GEOCHRONOLOGY OF ARCHEAN GLACIAL DIAMICTITES FROM MONTANA
  T202 An Interdisciplinary View of Paleozoic Glaciations and Icehouse Climates: Sedimentology, Paleoclimate, Paleontology, Geochemistry, Geochronology, and Modeling
  Thursday, 29 October 2020

  1:30 PM - 5:30 PM

  Meeting Rooms
• EARTH'S EARLIEST ICE AGES: NEW ZIRCON GEOCHRONOLOGY OF ARCHEAN GLACIAL DIAMICTITES FROM MONTANA
  Session 2: Novel and Classical Approaches to Deciphering Records of Precambrian Earth
  Tuesday, 19 May 2020

  8:00 AM - 11:15 AM

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2017

• COMBINED ZIRCON MINERAL CHEMISTRY AND U-PB GEOCHRONOLOGY OF ARCHEAN GRANITOID GNEISSES AND SUPRACRUSTAL ENCLAVES OF THE SOUTHERN INUKJUAK DOMAIN, QUEBEC (CANADA)
  T48 Teasing New Information out of (Old) Zircon: In Honor of Dustin Trail, 2017 MSA Recipient
  Sunday, 22 October 2017

  1:30 PM - 5:30 PM

  Skagit 3
• NEW INFORMATION FROM OLD LUNAR ZIRCON – INTEGRATING U-PB AND (U-TH)/HE CHRONOMETRY
  T48 Teasing New Information out of (Old) Zircon: In Honor of Dustin Trail, 2017 MSA Recipient
  Sunday, 22 October 2017

  1:30 PM - 5:30 PM

  Skagit 3

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2010

• ZIRCON/WHOLE-ROCK TRACE ELEMENT PARTITIONING MODELS FOR POLY-METAMORPHIC GNEISSES PROVIDE BROAD CONSTRAINTS ON PETROGENESIS (AT BEST)
  T135 Frontiers in Experimental Petrology: In Honor of Robert C. Newton
  Monday, 1 November 2010

  1:30 PM - 5:30 PM

  Room 203

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2009

• GEOLOGY OF 3830 MA FERRUGINOUS QUARTZ-PYROXENE (SUPRACRUSTAL) ROCKS FROM THE AKILIA ASSOCIATION, SOUTHERN WEST GREENLAND
  148 Earth et al.—Our Planets from the Hadean to Today
  Tuesday, 20 October 2009

  8:15 AM - 12:00 PM

  Portland Ballroom 254
• SULFUR, TRACE METALS, MICROBIAL COMMUNITY STRUCTURE, AND THE EVOLUTION OF ATMOSPHERIC OXYGEN
  25 Advances in Geobiology and Geomicrobiology: Biological, Chemical and Physical Interactions (Posters)
  Sunday, 18 October 2009

  9:00 AM - 6:00 PM

  Hall A

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2008

• Sulfur and the Late Heavy Bombardment
  T187 Planetary Pummeling: Cataclysmic Bombardment of the Solar System as Catastrophe, Catalyst, Cauldron, and Crucible
  Monday, 6 October 2008

  8:00 AM - 12:00 PM

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2007

• LIFE ON EARTH BEFORE 3.83 BILLION YEARS AGO? THE AKILIA "CONTROVERSY" 10 YEARS ON
  T166 Emerging New Methods in Early Earth Studies: Unraveling the Co-Evolution of Earth and Life
  Tuesday, 30 October 2007

  1:30 PM - 5:30 PM

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2005

• BIOGEOCHEMICAL INVESTIGATIONS OF ~3.8 GA SUPRACRUSTAL ROCKS FROM SOUTHERN WEST GREENLAND
  11 Oxygen and Evolution on Early Earth I
  Tuesday, 9 August 2005

  9:00 AM - 12:00 PM

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2004

• SURFACE OXIDATION STATES AND THE ARCHEAN/PROTEROZOIC TRANSITION
  T82 1500 to 2500 Ma: A Period of Changing Mantle Regimes in Earth History?
  Monday, 8 November 2004

  8:00 AM - 12:00 PM

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2002

• CONFIRMATION OF MASS-INDEPENDENT ISOTOPE EFFECTS IN ARCHEAN (2.5–3.8 GA) SEDIMENTARY SULFIDES AS DETERMINED BY ION MICROPROBE ANALYSIS
  T226 Evolution of the Early Atmosphere, Hydrosphere, and Biosphere II: Constraints from Ore Deposits
  Wednesday, 30 October 2002

  1:30 PM - 5:30 PM

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2001

• SULFUR ISOTOPE EVIDENCE FOR ATMOSPHERIC BUT NOT BACTERIAL PROCESSES IN FORMATION OF EARLY ARCHEAN SEDIMENTARY SULFIDES AND SULFATES
  T37 Sulfur Cycling in Precambrian to Recent Ocean-Atmosphere Systems: A Session Honoring the Career of William T. Holser
  Monday, 5 November 2001

  1:30 PM - 5:30 PM

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Date Unknown

• Plate Boundary Processes on the Eoarchean Earth
  T200 Whole Earth Systems Science: New Perspectives on the “Rock Cycle” from the Deep Earth to the Atmosphere to Life (Posters)
• SULFUR ON THE EARLY EARTH
  T147 Emerging New Methods in Early Earth Studies: Unraveling the Co-Evolution of Earth and Life (Posters)
• THE CASE FOR SCIENTIFIC DRILLING OF PRECAMBRIAN SEDIMENTARY SEQUENCES: A MISSION TO EARLY EARTH
  59 Precambrian (Posters)