Porphyry copper prospect in British Columbia, Canada

Names and other identifiers

Alternate names Crescent
Tract name Intermontane Island-Arc Cu-Au (003pCu2002x)
Group name Afton-Ajax Group
Included sites Audra, Pothook; Group includes Afton, Ajax JV, Big Onion, DM-Audra-Crescent, Galaxy, Iron Mask, and Rainbow deposits and Ace, Admiral Dewy, Crescent, Fargo, Kimberly, and Python prospects.
Site status prospect

Geographic location

Country Canada
State or province British Columbia
Geographic location -120.468315391, 50.664705984
Geologic map unit -120.468315391, 50.664705984
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 205Ma
Age determination method U-Pb zircon
Age range 205 Ma
Age reference unknown
Minerals bornite, chalcopyrite, magnetite, pyrite
Associated rocks diorite, monzonite, monzodiorite
Tectonic setting island arc
Stratigraphic age Late Triassic

Commodity and development information

Development status Past Producer
Major commodities Cu, Au
Gold-Moly ratio -9999

Reference information

Comments Resource (not thoroughly characterized): 1.448 Mt at 0.44% Cu and 0.18 g/t Au.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Sinclair (2007); Singer and others (2008)
Site reference Mihalasky and others (2011, revised 2013)