Geology: Evidence of life in Earth's oldest rocks

  title={Geology: Evidence of life in Earth's oldest rocks},
  author={A. Allwood},
  • A. Allwood
  • Published 2016
  • Geology, Medicine
  • Nature
  • When did life first arise on Earth? Analysis of ancient rocks in Greenland that contain structures interpreted as bacterial in origin suggest that Earth might have been an abode for life much earlier than previously thought. See Letter p.535 Stromatolites are sedimentary formations created by the layered growth of microorganisms in shallow marine settings. Fossil stromatolites constitute some of the earliest evidence for life on Earth. Allen Nutman et al. describe metamorphosed stromatolites… CONTINUE READING
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