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

Names and other identifiers

Alternate names Lornex Mine
Tract name Intermontane Island-Arc (003pCu2001x)
Group name Highland Valley Group
Included sites Group includes Ann, Bethlehem, Getty South, Highland Valley Copper, Highmont, IDE-AM, JA, Krain,and Lornex deposits and BX, Getty West, Highmont West, Jericho, MER, Rateria, Victor, Wiz, and Yubet prospects.
Site status deposit

Geographic location

Country Canada
State or province British Columbia
Geographic location -121.043115429, 50.450305906
Geologic map unit -121.043115429, 50.450305906
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age (Ma) 208Ma
Age determination method Inferred from U-Pb zircon age for Highland Valley Copper
Age range 208 Ma
Age reference unknown
Minerals azurite, bornite, chalcocite, chalcopyrite, covellite, cuprite, malachite, molybdenite, native copper, pyrite, pyrolusite
Associated rocks quartz diorite, granodiorite, quartz porphyry dike
Tectonic setting island arc
Stratigraphic age Late Triassic

Commodity and development information

Development status Past Producer
Major commodities Cu, Mo, Ag
Minor commodities Au
Tonnage (Mt) 514Mt
Cu grade (%) 0.427%
Mo grade (%) 0.015%
Au grade (g/t) 0.006g/t
Ag grade (g/t) 1.2g/t
Contained copper 2,190,000t
Gold-Moly ratio 0.4

Reference information

Comments 1972–1993, production, open at depth.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Sutherland Brown (1976); Singer and others (2008)
Site reference Mihalasky and others (2011, revised 2013)