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Activity

2007

• INCREASED CARBON ISOTOPIC FRACTIONATION DURING THE LATE CAMBRIAN SPICE EVENT AND A PULSE OF ATMOSPHERIC OXYGEN
  5 Oxygen, Evolution, and Extinction
  Sunday, 28 October 2007

  8:00 AM - 12:00 PM

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2006

• OXYGEN ISOTOPE COMPOSITION OF CARBONATE-ASSOCIATED SULFATE AND THE SOURCES AND CYCLING OF SULFATE IN THE EARLY OCEAN
  T46 Changes in Ocean and Atmospheric Redox State and the Evolution of Life II
  Sunday, 22 October 2006

  1:30 PM - 5:30 PM