Porphyry copper (Cu-Au) deposit in Yukon Territory, Canada

Names and other identifiers

Alternate names DEF
Tract name Intermontane Island-Arc Cu-Au (003pCu2002x)
Included sites Airstrip SW, Area 2 deposit, Area 118 deposit, Copper Keel South, DEF, Gap, Main deposit, Ridgetop deposit
Site status deposit

Geographic location

Country Canada
State or province Yukon Territory
Geographic location -137.238323587, 62.609203659
Geologic map unit -137.238323587, 62.609203659
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age determination method Geologic inference
Age range Triassic–Jurassic
Age reference geologic inference
Minerals azurite, bornite, chalcopyrite, magnetite, malachite, molybdenite, pyrite
Associated rocks mineralized gnessic pendants or ""rafts"" in weakly foliated granodiorite
Tectonic setting island arc
Stratigraphic age Triassic–Jurassic

Commodity and development information

Development status Producer
Major commodities Cu, Au, Ag
Tonnage (Mt) 34Mt
Cu grade (%) 1.187%
Au grade (g/t) 0.323g/t
Ag grade (g/t) 4.165g/t
Contained copper 407,700t
Gold-Moly ratio -9999

Reference information

Comments ~2007 to present production.
Study area name British Columbia and Yukon Territory
References MINFILE YT (2009); Capstone Mining (2005)
Site reference Mihalasky and others (2011, revised 2013)
Capstone Mining Corp., 2005: Sherwood Copper Corp. Web page accessed August, 2011, at
MINFILE YT, 2009, MINFILE Mineral inventory—Yukon Province: Yukon Geological Survey, MINFILE database, accessed December 2009, at [Web page no longer available. See to download at link for ""Mineral Occurrences in the Yukon"".]