Giant Copper Group

Porphyry copper Group in British Columbia, Canada

Names and other identifiers

GMRAP ID 5012
Tract name Late Continental Arc (003pCu2005)
Group name Giant Copper Group
Included sites Giant Copper AM Breccia and Invermay deposits and Giant Copper No. 1 prospect
Site status Group

Geographic location

Country Canada
State or province British Columbia
Geographic location -121.028, 49.171
Geologic map unit -121.028, 49.171
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 22
Age determination method K-Ar
Age range 22 Ma
Age reference unknown
Minerals arsenopyrite, chalcopyrite, galena, magnetite, molybdenite, monazite, pyrite, pyrrhotite, scheelite, sphalerite, uraninite
Associated rocks diorite, quartz diorite, granodiorite
Tectonic setting continental margin
Stratigraphic age Miocene

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Ag, Pb, Zn
Minor commodities Mo
Trace commodities W, U
Tonnage (Mt) 45Mt
Cu grade (%) 0.5%
Mo grade (%) 0.005%
Au grade (g/t) 0.14g/t
Ag grade (g/t) 2.95g/t
Contained copper 220,000t
Gold-Moly ratio 30

Reference information

Comments This group record includes data for the Giant Copper AM Breccia and Invermay deposits and Giant Copper No. 1 prospect; as such, the location information has been generalized, and the total weighted average resource data represent the two deposits in the group.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Pilcher and McDougall (1976); Schroeter and others (2007); Sinclair (2007); Singer and others (2008); Imperial Metals Corp. (2009a)
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 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, 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/.
Imperial Metals Corp., 2009a: Imperial Metals Corp. Web page accessed 2009, at http://www.imperialmetals.com/. [Web page for Giant Copper AM Breccia no longer exists.]