GMRAP ID | 1 |
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Alternate names | Victor, Eva |
Tract name | Brooks Range (003pCu5008) |
Site status | prospect |
Country | United States |
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State or province | Alaska |
Geographic location | -149.333333333, 67.633333333 |
Geologic map unit | -149.333333333, 67.633333333 |
Nearby data |
Deposit type | Porphyry copper |
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Age (Ma) | 390Ma |
Age determination method | unknown |
Age range | 390 Ma |
Age reference | Singer and others (2008) |
Minerals | bornite, chalcopyrite, pyrite, magnetite |
Associated rocks | granodiorite porphyry, granite, granodiorite, marble, schist |
Tectonic setting | mixed |
Stratigraphic age | Devonian |
Development status | Prospect |
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Major commodities | Cu |
Gold-Moly ratio | -9999 |
Comments | Incomplete drilling has 20 Mt at 0.15% Cu. |
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Study area name | United States |
References | DeYoung (1978); Nokleberg and others (1987); Singer and others (2008); Singer and others (2005) |
Site reference | U.S. Geological Survey National Mineral Resource Assessment Team (2002) |