Evidence for life on Earth before 3,800 million years ago

@article{Mojzsis1996EvidenceFL,
  title={Evidence for life on Earth before 3,800 million years ago},
  author={S. Mojzsis and G. Arrhenius and K. McKeegan and T. Harrison and A. P. Nutman and C. Friend},
  journal={Nature},
  year={1996},
  volume={384},
  pages={55-59}
}
  • S. Mojzsis, G. Arrhenius, +3 authors C. Friend
  • Published 1996
  • Geology
  • Nature
  • IT is unknown when life first appeared on Earth. The earliest known microfossils (˜3,500 Myr before present) are structurally complex, and if it is assumed that the associated organisms required a long time to develop this degree of complexity, then the existence of life much earlier than this can be argued1,2. But the known examples of crustal rocks older than ˜3,500 Myr have experienced intense metamorphism, which would have obliterated any fragile microfossils contained therein. It is… CONTINUE READING

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