---

Activity

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

---

2003

• DEATH BY HYDROGEN SULFIDE: A KILL MECHANISM FOR THE END-PERMIAN MASS EXTINCTION
  T70 Ocean Chemistry Through the Mesozoic and Cenozoic
  Monday, 3 November 2003

  8:00 AM - 12:00 PM

---

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)