GMRAP ID | 5005 |
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Tract name | Macquarie (009pCu8002) |
Group name | Cadia Group |
Included sites | Big Cadia, Cadia East open pit, Cadia East underground, Cadia Far East, Cadia Hill open pit, Cadia Quarry, and Ridgeway deposits and Little Cadia prospect |
Site status | Group |
Country | Australia |
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State or province | New South Wales |
Geographic location | 148.999, -33.451 |
Geologic map unit | 148.999, -33.451 |
Nearby data |
Deposit type | Porphyry copper |
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Deposit subtype | Cu-Au |
Age (Ma) | 456 |
Age determination method | U-Pb zircon |
Age range | 466–438 Ma |
Age reference | Wilson, Cooke, Stein, and others (2007, p. 8, 14) |
Minerals | actinolite, calcite, chalcopyrite, chorite, epidote, hematite, magnetite, sericite |
Associated rocks | limestone in shoshonitic volcaniclastic and sedimentary rocks, shoshonitic monzonite, clinopyroxene-hornblende quartz monzodiorite, and quartz monzonite porphyries |
Tectonic setting | island arc |
Stratigraphic age | Early Silurian |
Development status | Producer |
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Major commodities | Cu, Au |
Minor commodities | Ag |
Tonnage (Mt) | 3,448Mt |
Cu grade (%) | 0.28% |
Au grade (g/t) | 0.44g/t |
Ag grade (g/t) | 0.36g/t |
Contained copper | 9,700,000t |
Gold-Moly ratio | -9999 |
Comments | This group record includes data for the Big Cadia, Cadia East open pit, Cadia East underground, Cadia Far East, Cadia Hill open pit, Cadia Quarry, and Ridgeway deposits and Little Cadia prospect; as such, the location information has been generalized, and the total weighted average resource data represent the seven deposits in the group. |
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Study area name | Australia |
References | Forster and others (2004); Holliday and others (2002); Cooke and others (2007); Wilson, Cooke, Harper and Deyell (2007); Wilson, Cooke, Stein, and others (2007); Geoscience Australia (2010), Wilson and others (2003); Collett (2007) |
Site reference | Bookstrom and others (2014) |