Red Chris

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

Names and other identifiers

GMRAP ID 9894
Alternate names Main
Tract name Intermontane Island-Arc Cu-Au (003pCu2002x)
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -129.805319617, 57.699704907
Geologic map unit -129.805319617, 57.699704907
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 210Ma
Age determination method U-Pb zircon
Age range 210 Ma, 204 Ma
Age reference unknown
Minerals bornite, chalcopyrite, galena, magnetite, molybdenite, pyrite, sphalerite
Associated rocks monzonite, monzodiorite, quartz monzonite, quartz diorite, granodiorite
Tectonic setting island arc
Stratigraphic age Late Triassic

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Ag
Minor commodities Pb, Zn, Mo
Tonnage (Mt) 715Mt
Cu grade (%) 0.356%
Au grade (g/t) 0.281g/t
Ag grade (g/t) 1.5g/t
Contained copper 2,540,000t
Gold-Moly ratio -9999

Reference information

Comments Cu-Au with very low-grade Mo; both alkaline and calc-alkaline rocks in area.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Pilcher and McDougall (1976); Schroeter (1995); Schroeter and others (2006); Schroeter and others (2007); Sinclair (2007); Singer and others (2008); James Logan (written commun., 2008)
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, 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; Cathro, Michael; Grieve, David; Lane, Robert; Pardy, Jamie; and Wojdak, Paul, 2006, British Columbia mining and mineral exploration overview 2005: British Columbia Ministry of Energy, Mines and Petroleum Resources Information Circular 2006-1, 20 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/.