Titre du document

The record in the meteorites: 6. On the chronology of the early solar system

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Nom du Corpus

AstroConcepts

Auteur(s)
  • Gordon G. Goles
  • Edward Anders
Résumé

An attempt is made to account for the differences between the isotopic composition of terrestrial and meteoritic xenon reported by Reynolds. The two chief mechanisms proposed (other than the decay of I129 to Xe129) are the production of Xe131–136 by spontaneous fission of extinct nuclides in the earth, and the production of Xe124–128 by nuclear spallation reactions in the early history of the solar nebula. About 9.6 per cent of the Xe136 in the earths's atmosphere appears to have arisen from the spontaneous fission of 76?million?year Pu244, as proposed by Kuroda. The Pu244?Xe136 decay interval of the earth is 290 m.y., and its I129?Xe129 decay interval may be estimated as ?210 m.y. Thus, the earth appears to be 100–200 m.y. younger than the meteorites. Possible errors in these determinations are discussed. A dating method, similar to the Pb207?Pb206 method and based upon the two decay systems I129?Xe129 and Pu244?Xe136, is proposed and the appropriate equations are given. The initial solar?system ratios of I129/I127 and Pu244/U238, which can be determined by this method, would provide a crucial test of models of nucleosynthesis.

Langue(s) du document
Anglais
Année de publication
1961
Revue

Journal of Geophysical Research

Éditeur
Wiley
Type de publication
journal
Type de document
article
Présence de XML structuré
Non
Version de PDF
1.2
Score de qualité du texte
8.861
Nom du concept
  • Nucleosynthesis
Catégories Science-Metrix
  • 1 - natural sciences ; 2 - earth & environmental sciences ; 3 - meteorology & atmospheric sciences
Catégories Scopus
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Palaeontology
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Space and Planetary Science
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Earth and Planetary Sciences (miscellaneous)
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Atmospheric Science
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Earth-Surface Processes
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Geochemistry and Petrology
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Soil Science
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Water Science and Technology
  • 1 - Physical Sciences ; 2 - Environmental Science ; 3 - Ecology
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Aquatic Science
  • 1 - Life Sciences ; 2 - Agricultural and Biological Sciences ; 3 - Forestry
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Oceanography
  • 1 - Physical Sciences ; 2 - Earth and Planetary Sciences ; 3 - Geophysics
Catégories WoS
  • 1 - science ; 2 - geosciences, multidisciplinary
Identifiant ISTEX
5EA4156B7BD0927323A8130AD4B3E5F249BFC756
ark:/67375/WNG-TM16MN47-F
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