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Location: 22 SW from Orange, New South Wales, Australia
1460 Cadia Rd, CadiaOrangeNew South Wales, Australia2800
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The Cadia East deposit is considered to be examples of alkalic porphyry gold copper-style mineralization. The Cadia East deposit occupies a mineralized zone 2.5 km in strike length. 600 m in width and over 1,900 m in vertical extent, It is located below and to the east of the Cadia Hill deposit.Mineralization at Cadia East is divided into two broad overlapping zones; an upper, copper-rich disseminated zone and a deeper gold-rich zone associated with sheeted veins. The upper zone forms a relatively small cap to the overall mineralized envelope and has a core of disseminated chalcopyrite (and rare bornite), capped by chalcopyrite-pyrite mineralization (Fox et al., 2009).The deeper zone is localized around a core of steeply-dipping, sheeted, quartz-calcite-bornite chalcopyrite-molybdenite veins, with the highest gold grades associated with the bornite-bearing veins. Copper and molybdenite form a mineralized blanket above and to the east of the higher grade gold envelope.Au:Cu values are vertically zoned. The upper, disseminated zone of volcanic-hosted mineralization typically has low Au:Cu values (<1), whereas the envelopes of sheeted quartz calcite-sulfide veins have higher Au:Cu values (typically >2).
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