Poison Mountain

Porphyry copper deposit in British Columbia, Canada

Names and other identifiers

GMRAP ID 9874
Alternate names Rex
Tract name Cordilleran Continental Arc (003pCu2004x)
Included sites Copper Creek, Fenton Creek, Rex
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -122.614215899, 51.133305748
Geologic map unit -122.614215899, 51.133305748
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 58Ma
Age determination method K-Ar (mean)
Age range 59 Ma; 56 Ma
Age reference unknown
Minerals bornite, chalcocite, chalcopyrite, covellite, hematite, molybdenite, magnetite, pyrite
Associated rocks diorite-granodiorite porphyry
Tectonic setting continental margin
Stratigraphic age Paleocene

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Mo
Minor commodities Ag
Tonnage (Mt) 808Mt
Cu grade (%) 0.24%
Mo grade (%) 0.0075%
Au grade (g/t) 0.12g/t
Ag grade (g/t) 3g/t
Contained copper 1,900,000t
Gold-Moly ratio 16

Reference information

Comments 1993, resource estimated.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Sutherland Brown (1976); Schroeter (1995); Sinclair (2007); Singer and others (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/.
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.
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/.
Sutherland Brown, A., 1976, ed., Porphyry deposits of the Canadian Cordillera: The Canadian Institute of Mining and Metallurgy, Special Volume 15, the Charles S. Ney Volume, 510 p., 2 pl., scale 1:250,000,000.