Jean

Porphyry copper deposit in British Columbia, Canada

Names and other identifiers

GMRAP ID 9776
Alternate names JW
Tract name Cordilleran Continental Arc (003pCu2004x)
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -124.9561177, 55.105005568
Geologic map unit -124.9561177, 55.105005568
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 134Ma
Age determination method K-Ar (mean)
Age range 136 Ma (K-Ar biotite); 131 Ma (K-Ar hornblende)
Age reference unknown
Minerals bornite, chalcopyrite, hematite, malachite, molybdenite, pyrite
Associated rocks granodiorite, quartz diorite, quartz monzonite porphyry
Tectonic setting continental margin
Stratigraphic age Early Cretaceous

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Ag
Tonnage (Mt) 27Mt
Cu grade (%) 0.3%
Mo grade (%) 0.015%
Contained copper 81,000t
Gold-Moly ratio -9999

Reference information

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 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.