Regolith grains returned by the Hayabusa mission to asteroid 25143 Itokawa provide the only samples currently available to study the interaction of chondritic asteroidal material with the space weathering environment. Several studies have documented the surface alterations observed on the regolith grains, but most of these studies involved olivine because of its abundance. Here we focus on the rarer Itokawa plagioclase grains, in order to allow comparisons between Itokawa and lunar soil plagioclase grains for which an extensive data set exists.


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    Titel :

    Plagioclase-Rich Itokawa Grains: Space Weathering, Exposure Ages, and Comparison to Lunar Soil Grains


    Beteiligte:
    Keller, L. P. (Autor:in) / Berge, E. (Autor:in)

    Kongress:

    Lunar and Planetary Science Conference ; 2017 ; The Woodlands, TX, United States


    Erscheinungsdatum :

    2017-03-20


    Medientyp :

    Aufsatz (Konferenz)


    Format :

    Keine Angabe


    Sprache :

    Englisch




    Rates of Space Weathering in Lunar Regolith Grains

    Zhang, S. / Keller, L. P. | NTRS | 2012



    The maturation of lunar dust grains

    Bertaut, J. L. / Bibring, J. P. / Borg, J. et al. | NTRS | 1975



    Plagioclase flotation and lunar crust formation

    Walker, D. / Hays, J. F. | NTRS | 1977