Abstract
Most geologists agree that Earth's atmosphere was oxygen-free until 2.4 billion years ago. But the latest sulphur-isotope measurements from sedimentary rocks suggest otherwise.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 873-874 |
| Number of pages | 2 |
| Journal | Nature |
| Volume | 442 |
| Issue number | 7105 |
| DOIs | |
| State | Published - Aug 24 2006 |
ASJC Scopus subject areas
- General