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    Deformation microstructures in zircon and monazite: implications for shock, tectonic and geochronological studies

    Erickson Timmons 2017.pdf (420.8Mb)
    Access Status
    Open access
    Authors
    Erickson, Timmons Manning
    Date
    2016
    Supervisor
    Prof. Steven Reddy
    Dr Nick Timms
    Dr Aaron Cavosie
    Type
    Thesis
    Award
    MPhil
    
    Metadata
    Show full item record
    Faculty
    Science and Engineering
    School
    Department of Applied Geology
    URI
    http://hdl.handle.net/20.500.11937/51620
    Collection
    • Curtin Theses
    Abstract

    Zircon and monazite have been studied by quantitative microstructural analysis to constrain deformation processes in both tectonic and shock environments. Results provide new constraints on twinning, shock transformation to high pressure polymorphs and the conditions of formation of impact microstructures. Trace element mobility and modification of U – Pb ages, linked to crystal-plastic deformation in these environments, provides new strategies for dating the timing of deformation events by in situ analyses of microstructurally characterized accessory phases.

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