Results are reported on Rb-87 and Sr-87 found in fragments from the Luna 20 mission. The results show a low radiogenic character, but clearly demonstrate the presence of high K components. A model for lunar evolution is presented. (Author)


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    Title :

    Ages, RB-87 Sr-87 of Soil and Rock Fragments Brought from the Lunar Mountains by Luna 20


    Contributors:
    J. Birck (author) / C. J. Allegre (author)

    Publication date :

    1973


    Size :

    10 pages


    Type of media :

    Report


    Type of material :

    No indication


    Language :

    English