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Activity

2008

• Geochemical Evidence for Widespread Reducing Ocean during the Middle to Late Cambrian
  T230 Paleozoic Oceanographic and Climatic Changes: Evidence from Seawater Geochemistry and Sedimentology Records I
  Tuesday, 7 October 2008

  8:00 AM - 12:00 PM

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2007

• A LATE CAMBRIAN OCEAN ANOXIC EVENT
  111 Paleoclimatology/Paleoceanography (Posters)
  Monday, 29 October 2007

  1:30 PM - 5:30 PM
• 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

• CARBON ISOTOPIC EVIDENCE FOR CHEMOCLINE UPWARD EXCURSIONS DURING THE END-PERMIAN EVENT
  T224 Late Permian–Early Triassic Earth
  Wednesday, 25 October 2006

  1:30 PM - 5:30 PM

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2005

• GENE EXPRESSION AS A PROXY FOR SUBSURFACE MICROBIAL RESPIRATION RATES: DENITRIFICATION AND THE NIRS GENE
  T244 Quantifying Controls on Microbial Reaction Rates in Subsurface Environments II
  Wednesday, 19 October 2005

  1:30 PM - 5:30 PM

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2002

• CARBON ISOTOPE EXCURSIONS: FLUXES, FEEDBACKS AND FALLACIES
  T105 Feedback in Earth Systems: Determining System Response to Perturbation Through Observations and Modeling
  Monday, 28 October 2002

  1:30 PM - 5:30 PM

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2001

• THE SULFUR ISOTOPIC EVOLUTION OF NEOPROTEROZOIC SEAWATER SULFATE
  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

• CHANGES TO THE CARBON AND SULFUR CYCLES DURING THE END-PERMIAN MASS EXTINCTION
  24 Marine Anoxia over Geologic Time—Where, When, Why, and Cause and Effect Relationships to the Evolving Biosphere (Posters)