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

Names and other identifiers

Tract name Intermontane Island-Arc Cu-Au (003pCu2002x)
Group name Polley Group
Included sites Lloyd 2, Lloyd 3, Nordik Southeast, Road; Group includes Lloyd-Nordik and Mount Polley deposits.
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -121.644716197, 52.571405924
Geologic map unit -121.644716197, 52.571405924
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 202Ma
Age determination method Inferred from U-Pb zircon age for Mount Polley
Age range 202 Ma
Age reference unknown
Minerals chalcopyrite, magnetite, pyrite
Associated rocks diorite, plagioclase por, foidal syenite (post-ore)
Tectonic setting island arc
Stratigraphic age Late Triassic

Commodity and development information

Development status Prospect
Major commodities Cu, Au
Tonnage (Mt) 7Mt
Cu grade (%) 0.31%
Au grade (g/t) 0.243g/t
Contained copper 22,000t
Gold-Moly ratio -9999

Reference information

Study area name British Columbia and Yukon Territory
References MINFILE BC (2009)
Site reference Mihalasky and others (2011, revised 2013)