The geochronology and radiogenic isotope systematics of the Olympic Dam copper-uranium-gold-silver deposit, South Australia

James Patrick Johnson
The Olympic Dam Cu-U-Au-Ag deposit is a syngenetic orebody hosted by the Olympic Dam Breccia Complex, a high level, hematite-rich hydrothermal breccia system. The breccia complex occurs entirely within, and clearly post-dates, the Roxby Downs Granite. _Cu-Fe sulphide distribution within the deposit is zoned from pyrite-rich assemblages at depth, upwards to chalcopyrite-rich ores, ultimately to bornite-chalcocite ores. Mlnor proportions of paragenetically early magnetite are widely distributed. Felsic and mafic/ultramafic dykes are broadly coeval with ore...
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