Eaglehead

Porphyry copper deposit in British Columbia, Canada

Names and other identifiers

GMRAP ID 9697
Alternate names Eagle, Joy
Tract name Intermontane Island-Arc (003pCu2001x)
Included sites Bornite, Camp, East, Pass zones
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -129.107219935, 58.483905009
Geologic map unit -129.107219935, 58.483905009
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 190Ma
Age determination method K-Ar
Age range 190 Ma
Age reference unknown
Minerals bornite, chalcocite, chalcopyrite, chrysocolla, cuprite, malachite, molybdenite, native copper, pyrite, tetrahedrite
Associated rocks granodiorite, quartz diorite
Tectonic setting island arc
Stratigraphic age Early Jurassic

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Mo
Minor commodities Ag
Tonnage (Mt) 80Mt
Cu grade (%) 0.404%
Mo grade (%) 0.005%
Au grade (g/t) 0.044g/t
Ag grade (g/t) 0.542g/t
Contained copper 321,000t
Gold-Moly ratio 9

Reference information

Comments 1982, resource estimated (not including peripheral Cu veins).
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Pilcher and McDougall (1976); Schroeter (1995); Schroeter and others (2007); Sinclair (2007); Singer and others (2008); Carmax Explorations Inc. (2009)
Site reference Mihalasky and others (2011, revised 2013)
Carmax Explorations Ltd., 2009: Carmax Explorations Ltd. Web page accessed 2009, at http://www.carmaxex.com [Web page no longer exists as of August, 2011.]
MINFILE BC, 2009, MINFILE Mineral inventory: British Columbia Ministry of Energy, Mines and Petroleum Resources, MINFILE database, total records 12,523, accessed December 2009, at http://minfile.gov.bc.ca/.
Pilcher, S.H., and McDougal, J.J., 1976, Characteristics of some Canadian Cordilleran porphyry prospects: in Sutherland Brown, A., ed., Porphyry deposits of the Canadian Cordillera: The Canadian Institute of Mining and Metallurgy, Special Volume 15, the Charles S. Ney Volume, p. 79–82.
Schroeter, T.G., ed., 1995, Porphyry deposits of the northwestern Cordillera of North America: Canadian Institute of Mining, Metallurgy and Petroleum Special Volume 46, 888 p.
Schroeter, Tom; Grieve, David; Lane, Robert; Madu, Bruce; Northcote, Bruce; and Wojdak, Paul, 2007, British Columbia mining and mineral exploration overview 2006: British Columbia Ministry of Energy, Mines and Petroleum Resources Information Circular 2007-1, 28 p.
Sinclair, W.D., 2007, Porphyry Deposits, in Goodfellow, W.D., ed., Mineral deposits of Canada—A synthesis of major deposit-types, district metallogeny, the evolution of geological provinces, and exploration methods: Geological Association of Canada, Mineral Deposits Division, Special Publication no. 5, p. 223–243.
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.