Earth's air pressure 2.7 billion years ago constrained to less than half of modern levels
Abstract
The composition of the Earth's early atmosphere is uncertain. The morphology of vesicles in basalts suggests that the air pressure 2.7 billion years ago was less than half of modern levels.
- Publication:
-
Nature Geoscience
- Pub Date:
- June 2016
- DOI:
- Bibcode:
- 2016NatGe...9..448S