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    Australian impact cratering record: Updates and recent discoveries

    Access Status
    Fulltext not available
    Authors
    Quintero, Raiza R.
    Cavosie, Aaron
    Cox, Morgan A.
    Miljković, Katarina
    Dugdale, Allison
    Date
    2021
    Type
    Book Chapter
    
    Metadata
    Show full item record
    Source Title
    Large Meteorite Impacts and Planetary Evolution VI
    DOI
    10.1130/2021.2550(02)
    ISBN
    9780813795508
    Faculty
    Faculty of Science and Engineering
    School
    School of Earth and Planetary Sciences (EPS)
    URI
    http://hdl.handle.net/20.500.11937/90191
    Collection
    • Curtin Research Publications
    Abstract

    There are currently 31 confirmed structures of impact origin in Australia. More than 49 additional structures have been proposed to have formed due to asteroid impact but await confirmation. Many discoveries have been made in Australia in the time since the last comprehensive review of the Australian impact cratering record was published in a peer-reviewed journal in 2005. These include further expanding the record of confirmed craters, and providing new insights into a variety of impact-related processes, such as shock deformation, phase transitions in accessory minerals, new impact age determinations, studies of oblique impacts, and more. This update is a review that focuses principally on summarizing discoveries made since 2005. Highlights since then include confirmation of five new Australian impact structures, identification of Earth's oldest recognized impact structure, recognition of shock deformation in accessory minerals, discovery of the high-pressure phase reidite in Australia, determination of the links between impact craters and some ore deposits, and publication of the first generation of numerical hydrocode models for some Australian craters.

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