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    The world-class Wallaby gold deposit, Laverton, Western Australia: An orogenic-style overprint on a magmatic-hydrothermal magnetite-calcite alteration pipe?

    Access Status
    Fulltext not available
    Authors
    Salier, B.
    Groves, D.
    McNaughton, Neal
    Fletcher, Ian
    Date
    2004
    Type
    Journal Article
    
    Metadata
    Show full item record
    Citation
    Salier, Brock and Groves, David and McNaughton, Neal and Fletcher, Ian. 2004. The world-class Wallaby gold deposit, Laverton, Western Australia: An orogenic-style overprint on a magmatic-hydrothermal magnetite-calcite alteration pipe? Mineralium Deposita. 39: pp. 473-494.
    Source Title
    Mineralium Deposita
    DOI
    10.1007/s00126-004-0425-0
    ISSN
    00264598
    School
    John de Laeter Centre for Mass Spectrometry (COE)
    Remarks

    The original publication is available at : www.springerlink.com

    URI
    http://hdl.handle.net/20.500.11937/48187
    Collection
    • Curtin Research Publications
    Abstract

    Gold mineralisation at the Wallaby gold deposit is hosted by a 1,200 m thick mafic conglomerate. The conglomerate is intruded by an apparently comagmatic alkaline dyke suite displaying increasing fractionation through mafic-monzonite, monzonite, syenite, syenite porphyry to late-stage carbonatite. In the mine area, a pipe-shaped zone of actinolite-magnetite-epidote-calcite (AMEC) alteration overprints the conglomerate. Gold mineralisation, associated with dolomite-albite-quartz-pyrite alteration, is hosted in a series of sub-horizontal, structurally controlled zones that are largely confined within the magnetite-rich pipe. The deposit has a current ore reserve of 2.0 Moz Au, and a total resource of 7.1 Moz Au.

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