| GMRAP ID | 9959 |
|---|---|
| Alternate names | Boy, Carmacks |
| Tract name | Intermontane Island-Arc Cu-Au (003pCu2002x) |
| Included sites | zone 1, zone 4, zone 12, zone 13 |
| Site status | deposit |
| Country | Canada |
|---|---|
| State or province | Yukon Territory |
| Geographic location | -136.693623336, 62.348903757 |
| Geologic map unit | -136.693623336, 62.348903757 |
| Nearby data |
| Deposit type | Porphyry copper |
|---|---|
| Deposit subtype | Cu-Au |
| Age determination method | Geologic inference |
| Age range | Late Triassic–Early Jurassic |
| Age reference | geologic inference |
| Minerals | azurite, bornite, chalcopyrite, covellite, cuprite, digenite, djurlite, malachite, molybdenite, tenorite |
| Associated rocks | silica undersaturated mafic metavolcanic gneiss pendants or ""rafts"" in granodiorite batholith |
| Tectonic setting | island arc |
| Stratigraphic age | Late Triassic–Early Jurassic |
| Development status | Prospect |
|---|---|
| Major commodities | Cu, Au, Ag |
| Minor commodities | Mo |
| Tonnage (Mt) | 19Mt |
| Cu grade (%) | 0.95% |
| Au grade (g/t) | 0.376g/t |
| Ag grade (g/t) | 3.592g/t |
| Contained copper | 183,000t |
| Gold-Moly ratio | -9999 |
| Comments | Alkaline porphyry Cu-Au in and around mafic metavolcanic pendants in foliated batholith. |
|---|---|
| Study area name | British Columbia and Yukon Territory |
| References | MINFILE YT (2009); Singer and others (2008); Western Copper Corp. (2009) |
| Site reference | Mihalasky and others (2011, revised 2013) |