Terrestrial-type xenon in sulfides of the Allende meteorite

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Abstract

Two FeS-rich samples from the Allende (C3V) chondrite were analyzed for Xe and Kr. One sample was irradiated in a neutron flux to generate a tracer isotope of Xe by the <sup>130</sup>Te(n, γ2β<sup>–</sup>)<sup>131</sup>*Xe reaction. The experiment was designed to use this tracer isotope to identify the temperature at which gases were released from within the sulfide. When the sulfide melted at 950°C, the Xe released was terrestrial in isotopic composition, except for enrichments from spallogenic and radiogenic components. It is concluded that terrestrial-type Xe, Xe-T, was a primordial component that was dominant in the inner Fe, S-rich region of the solar nebula.

Journal

  • GEOCHEMICAL JOURNAL

    GEOCHEMICAL JOURNAL 30(1), 17-30, 1996-02-01

    GEOCHEMICAL SOCIETY OF JAPAN

References:  55

Codes

  • NII Article ID (NAID)
    10008800432
  • NII NACSIS-CAT ID (NCID)
    AA00654975
  • Text Lang
    ENG
  • Article Type
    ART
  • ISSN
    00167002
  • Data Source
    CJP  J-STAGE 
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