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Origin of life from apatite dating?

Author

Listed:
  • S. J. Mojzsis

    (University of California at Los Angeles
    Institute for Pure and Applied Physical Sciences, University of California at San Diego)

  • T. M. Harrison

    (University of California at Los Angeles)

  • G. Arrhenius

    (Scripps Institution of Oceanography, University of California at San Diego)

  • K. D. McKeegan

    (University of California at Los Angeles)

  • M. Grove

    (University of California at Los Angeles)

Abstract

Mojzsis et al. reply — Sano et al. report a 207Pb/206Pb date of 1,459±160 Myr for apatite grains 25 μm in diameter, containing inclusions of isotopically light carbon, from a granulite grade BIF (typically 70% quartz, 10% magnetite, 20% mafic phases and sulphides) from Akilia island, Greenland, that was lithified before 3,850 Myr (12). To Sano et al., this suggests either that the apatites “grew about 1,500 Myr ago, or that they grew earlier than that but were subsequently affected by recrystallization, and/or diffusive exchange”.

Suggested Citation

  • S. J. Mojzsis & T. M. Harrison & G. Arrhenius & K. D. McKeegan & M. Grove, 1999. "Origin of life from apatite dating?," Nature, Nature, vol. 400(6740), pages 127-128, July.
    • Handle: RePEc:nat:nature:v:400:y:1999:i:6740:d:10.1038_22035
    DOI: 10.1038/22035
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