A drill core sample from the Barberton greenstone belt used in the study. The dark layers contain particles of carbonaceous matter, the altered remains from Palaeoarchaean microorganisms. (IMAGE)

University of Göttingen

A drill core sample from the Barberton greenstone belt used in the study. The dark layers contain particles of carbonaceous matter, the altered remains from Palaeoarchaean microorganisms.

Caption

A drill core sample from the Barberton greenstone belt used in the study. The dark layers contain particles of carbonaceous matter, the altered remains from Palaeoarchaean microorganisms.

Credit

Manuel Reinhardt

Usage Restrictions

None

License

Original content

Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.