27 Oxygen and Evolution on Early Earth (Posters)

Presentations

• 4:30 PM
  TESTING THE OXYGEN PARADOX WITH ANTIOXIDANT-DEFICIENT CYANOBACTERIA
  David J. Thomas, Lyon College, Batesville, AR and Christy L. Schuchardt, Lyon College, Batesville, AR and CaSandra J. Spurlock, Lyon College, Batesville, AR
  84871 (THEME SESSIONS)
• 4:30 PM
  OXYGENATION OF THE EARLY ATMOSPHERE: WHY THE DELAY?
  George H. Shaw, Union College, Schenectady, NY
  87762 (THEME SESSIONS)
• 4:30 PM
  IS IRON AN ENERGY SOURCE FOR EARLY LIFE ON ANOXIC EARTH?
  D. Ann Brown, A & A Research, Heathfield, N/A
  88538 (THEME SESSIONS)