Diffusion kinetics of samarium and neodymium in garnet, and a method for determining cooling rates of rocks

J. Ganguly, M. Tirone, Richard Hervig

    Research output: Contribution to journalArticlepeer-review

    202 Scopus citations

    Abstract

    Experimental determinations of the diffusion coefficients of samarium and neodymium in almandine garnet and theoretical considerations show that one cannot assign a sufficiently restricted range of closure temperature, T(c), to the samarium-neodymium decay system in garnet for the purpose of constraining the cooling rate. However, it is shown that the samarium- neodymium cooling age of garnet can be used to calculate both cooling rate and T(c) if the temperature and age at the peak metamorphic conditions are known.

    Original languageEnglish (US)
    Pages (from-to)805-807
    Number of pages3
    JournalScience
    Volume281
    Issue number5378
    DOIs
    StatePublished - Aug 7 1998

    ASJC Scopus subject areas

    • General

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