Rock records key Earth transition
The rise of oxygen was a key phase in Earth history and visitors to London's Natural History Museum will soon be able to put their hands on its rock record.
The South Kensington institution has acquired a piece of banded iron formation (BIF).
Head of Earth sciences, Prof Richard Herrington, explained the specimen's significance to our science correspondent Jonathan Amos.
01 Jul 2017
- From the section Science & Environment