Terrestrial and Meteorite Carbon Appear to Have the Same Isotopic Composition

  1. W. F. Libby
  1. Department of Chemistry, University of California, Los Angeles 90024
  2. Institute of Geophysics and Planetary Physics, University of California, Los Angeles 90024

Abstract

The carbon-isotope ratio recently obtained for the carbon found in the Murchison meteorite, which has been shown (by the racemic nature of twelve component amino acids) to be free of terrestrial contamination, agrees with that for average terrestrial sediments. This finding indicates that the earth and the stony meteorites contain carbon of the same isotopic composition.

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  1. PNAS 1971-02 vol. 68 no. 2 377-377
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