Beginning of persistent oxygenation of water masses throughout the oceans
| Range | 580 - 550 Mya |
|---|---|
| Organism | Biosphere |
| Reference | Johnston DT, Wolfe-Simon F, Pearson A, Knoll AH. Anoxygenic photosynthesis modulated Proterozoic oxygen and sustained Earth's middle age. Proc Natl Acad Sci U S A. 2009 Oct 6 106(40):16925-9. doi: 10.1073/pnas.0909248106 abstractPubMed ID19805080 |
| Comments | "Molecular oxygen (O(2)) began to accumulate in the atmosphere and surface ocean ca. 2,400 million years ago (Ma), but the persistent oxygenation of water masses throughout the oceans developed much later, perhaps beginning as recently as 580-550 Ma." |
| Entered by | Uri M |
| ID | 110481 |