Gambier Island

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

Names and other identifiers

GMRAP ID 9723
Alternate names Gambier Island Copper
Tract name Cordilleran Continental Arc (003pCu2004x)
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -123.36921555, 49.51450559
Geologic map unit -123.36921555, 49.51450559
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age determination method Geologic inference
Age range Jurassic–Early Cretaceous
Age reference geologic inference
Minerals bornite, chalcopyrite, galena, molybdenite, pyrite, sphalerite
Associated rocks quartz porphyry (ore-related), diorite to granite (pre-ore), dacite dikes (post-ore)
Tectonic setting continental margin
Stratigraphic age Jurassic–Early Cretaceous

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Zn
Minor commodities Pb
Tonnage (Mt) 114Mt
Cu grade (%) 0.29%
Mo grade (%) 0.018%
Au grade (g/t) 0.03g/t
Ag grade (g/t) 1.3g/t
Contained copper 330,000t
Gold-Moly ratio 2

Reference information

Comments 1980, resource estimated.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Schroeter (1995); Singer and others (2008)
Site reference Mihalasky and others (2011, revised 2013)