Mount Washington Copper

Porphyry copper prospect in British Columbia, Canada

Names and other identifiers

Alternate names NWC 232
Tract name Cordilleran Continental Arc (003pCu2004x)
Site status prospect

Geographic location

Country Canada
State or province British Columbia
Geographic location -125.302215914, 49.763305372
Geologic map unit -125.302215914, 49.763305372
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 35Ma
Age determination method K-Ar biotite
Age range 35 ±6 Ma
Age reference unknown
Minerals arsenopyrite, bornite, chalcocite, chalcopyrite, covellite, cuprite, djurleite, galena, molybdenite, native copper, orpiment, pyrite, pyrrhotite, realgar, sphalerite, tenorite
Associated rocks diorite, quartz diorite, dacite porphyry
Tectonic setting continental margin
Stratigraphic age Eocene–Oligocene

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Ag
Minor commodities As, Mo, Zn
Trace commodities Pb
Gold-Moly ratio -9999

Reference information

Comments Resource (not thoroughly characterized): 0.306 Mt at 1.07% Cu.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Pilcher and McDougall (1976)
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.