Early Earth: Oxygen for heavy-metal fans
Abstract
Chromium isotopes provide an eyebrow-raising history of oxygenation of Earth's atmosphere. Not least, it seems that oxygen might have all but disappeared half a billion years after its initial rise.
- Publication:
-
Nature
- Pub Date:
- September 2009
- DOI:
- Bibcode:
- 2009Natur.461..179L