Red Dog

Porphyry copper (Cu-Au) deposit in British Columbia, Canada

Names and other identifiers

Tract name Insular Mixed Island- and Continental Arc (003pCu2003)
Group name Hushamu Group
Included sites Northwest Expo; Group includes Hushamu and Red Dog deposits and HEP prospect.
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -127.972216568, 50.710605075
Geologic map unit -127.972216568, 50.710605075
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 172Ma
Age determination method Ar-Ar (mean)
Age range 173 Ma, 170 Ma
Age reference unknown
Minerals bornite, chalcocite, chalcopyrite, magnetite, pyrite
Associated rocks quartz diorite, diorite, quartz-feldspar porphyry
Tectonic setting mixed
Stratigraphic age Middle Jurassic

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Mo
Minor commodities Ag
Tonnage (Mt) 45Mt
Cu grade (%) 0.35%
Mo grade (%) 0.006%
Au grade (g/t) 0.44g/t
Contained copper 158,000t
Gold-Moly ratio 70

Reference information

Comments Transitional to epithermal.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Pilcher and McDougall (1976); Sinclair (2007)
Site reference Mihalasky and others (2011, revised 2013)
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
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.
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.