The extinct radionuclide timescale of the early solar system

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    The tendency of iodine to be mobilized during secondary processing is reflected both in the presence of 129Xe(XS) in secondary minerals and in the bulk 129Xe(XS)/I ratios in meteorites. Comparison of absolute ages derived through calibration of chronometers based on 129Xe, 53Mn and 26Al against the Pb-Pb system yields a plausible timescale for the early solar system. In this system, the earliest chondrule ages are most readily interpreted as representing formation after the beginning of parent body processing.
    Original languageEnglish
    Pages (from-to)123-132
    Number of pages9
    JournalSpace Science Reviews
    Issue number1-2
    Publication statusPublished - 2000


    • Extinct Radionuclides
    • Isotope Geochemistry
    • Meteorites
    • Solar System Chronology


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