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    Lunar zirconology

    Access Status
    Fulltext not available
    Authors
    Nemchin, Alexander
    Grange, Marion
    Pidgeon, Robert
    Meyer, C
    Date
    2012
    Type
    Journal Article
    
    Metadata
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    Citation
    Nemchin, Alexander and Grange, Marion and Pidgeon, Robert and Meyer, C. 2012. Lunar zirconology. Australian Journal of Earth Sciences 59 (2): pp. 277-290.
    Source Title
    Australian Journal of Earth Sciences
    DOI
    10.1080/08120099.2011.613484
    ISSN
    0812-0099
    URI
    http://hdl.handle.net/20.500.11937/46949
    Collection
    • Curtin Research Publications
    Abstract

    Compared with zircons found in a variety of rocks on Earth, lunar zircons have received relatively little attention over the last four decades since samples were delivered by the Apollo missions. Nevertheless, the comparatively small number of studies carried out following these missions and in particular made over the last five years has demonstrated enormous potential of zircon research for understanding of lunar magmatism, impact history and provenance of lunar breccias. These studies have identified zircon age patterns that shed new light on the history of the Moon and raise new questions related to our understanding of lunar evolution. In particular, (i) the youngest limit for Lunar Magma Ocean (LMO) crystallisation was determined as 4417 ± 6 Ma; (ii) several periods of intensified magmatic activity at about 4.34, 4.20 and 4.00 Ga were identified in the post-LMO history of the Moon; and (iii) several pre-3.9 Ga impacts have been identified on the Moon. Here we discuss some of these results, questions and new directions, and propose an approach for further lunar zircon research.

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