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This course examines the Great Oxidation Event 2.4–2.1 billion years ago, including its causes, geological and isotopic evidence, effects on the atmosphere and ocean, and influence on biological evolution.
Syllabus
Table of contents
What is the GOE?
When was the GOE?
Why did the GOE happen?
What is our evidence for the GOE?
What the fossils tell us?
Oxidation of continental rocks rusting
What are BIFs? Do BIFs provide evidence for GOE?
C isotope excursions weird C isotope spikes
Major change in S isotope fractionation!
What Mo isotopes tell us?
How did the GOE affect biology/evolution?
The Canfield Ocean! still no O in ocean after GOE?
Have there been other oxidation events?
Why *DIDN'T* animals evolve right after the GOE?
Taught by
GEO GIRL