Activity

2004

• PALEOPROTEROZOIC EARTH: THE RISE OF ATMOSPHERIC O2 AND THE DECLINE OF CH4
  105 Early Paleoproterozoic (2.5–2.0 Ga) Events and Rates: Bridging Field Studies and Models
  Monday, 8 November 2004

  1:30 PM - 5:30 PM

2002

• SULFUR CYCLING, S ISOTOPE FRACTIONATION, AND THE RISE OF ATMOSPHERIC O2
  T226 Evolution of the Early Atmosphere, Hydrosphere, and Biosphere II: Constraints from Ore Deposits
  Wednesday, 30 October 2002

  1:30 PM - 5:30 PM

2001

• THE ARCHEAN ATMOSPHERE PRIOR TO THE RISE OF OXYGEN
  23 Archean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute)
  Tuesday, 26 June 2001

  10:00 AM - 4:30 PM
• THE ROLE OF FERREDOXINS IN THE RISE OF OXYGEN
  23 Archean Earth and Contemporary Life: The Transition from an Anaerobic to an Aerobic Marine Ecosystem (Sponsored by NASA Astrobiology Institute)
  Tuesday, 26 June 2001

  10:00 AM - 4:30 PM