Ancient rocks show high oxygen levels on Earth two billion years ago
Science Bulletin,
Earth may have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of…
Earth may have been far more oxygen-rich early in its history than previously thought, setting the stage for the evolution of…
This two-billion-year-old shungite records evidence for balmy, oxygen-rich conditions on the early Earth. Credit: K. Paiste.
Research on Russian drill core challenges long-standing models of oxygenation on…