GMRAP ID | 67 |
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Alternate names | Sacaton East |
Tract name | Western Sierra Madre Occidental and Laramide Central (003pCu3007x) |
Site status | deposit |
Country | United States |
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State or province | Arizona |
Geographic location | -111.816111111, 32.954722222 |
Geologic map unit | -111.816111111, 32.954722222 |
Nearby data |
Deposit type | Porphyry copper |
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Age (Ma) | 63Ma |
Age determination method | unknown |
Age range | 65–61 Ma |
Age reference | Singer and others (2008) |
Minerals | alunite, anhydrite/gypsum, azurite/malachite, biotite, bornite, brochantite, chalcocite, chalcopyrite, chlorite, chrysocolla, copper, covellite, cuprite, goethite/limonite, hematite/specularite, jarosite, kaolinite, magnetite, molybdenite, pyrite, sericite, sphalerite |
Associated rocks | breccia, dacite porphyry, monzonite porphyry, quartz monzonite porphyry, limestone, quartzite, schist, conglomerate, diabase dike, diorite, granite |
Tectonic setting | continental margin |
Stratigraphic age | Paleocene |
Development status | Occurrence |
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Major commodities | Cu |
Tonnage (Mt) | 49Mt |
Cu grade (%) | 0.72% |
Mo grade (%) | 0.014% |
Ag grade (g/t) | 2g/t |
Contained copper | 350,000t |
Gold-Moly ratio | -9999 |
Comments | 100% covered. |
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Study area name | United States |
References | Cummings (1982); Singer and others (2008) |
Site reference | U.S. Geological Survey National Mineral Resource Assessment Team (2002) |