title: Geology: Evidence of life in Earth's oldest rocks.
authors: Jet Propulsion Laboratory, California Institute of Technology, Pasadena, California 91109, USA.
authors: Abigail C
authors: AC
authors: Allwood
mesh_terms: D018534:Earth, Planet; D055593:Geological Phenomena; D005844:Geology; D006801:Humans; D019369:Life