Ann North

Porphyry copper prospect in British Columbia, Canada

Names and other identifiers

Alternate names Ophir, Ann South
Tract name Intermontane Island-Arc Cu-Au (003pCu2002x)
Group name Lac La Heche Group
Included sites Ann South, Harvey, Don, Tennantite; Group includes Ann North, Peach 3, and Peach-Melba prospects.
Site status prospect

Geographic location

Country Canada
State or province British Columbia
Geographic location -121.312815942, 51.974205942
Geologic map unit -121.312815942, 51.974205942
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Late Triassic–Early Jurassic
Age reference geologic inference
Minerals bornite, chalcopyrite, molybdenite, pyrite, pyrrhotite, tetrahedrite
Associated rocks monzonite, diorite, monzodiorite, syenite
Tectonic setting island arc
Stratigraphic age Late Triassic–Early Jurassic

Commodity and development information

Development status Occurrence
Major commodities Cu, Au, Mo
Gold-Moly ratio -9999

Reference information

Comments Grades: 0.29 percent Cu, 0.33 g/t Au.
Study area name British Columbia and Yukon Territory
References MINFILE BC (2009); Schroeter and others (2007); DeGrace and others (2008); GW Resources Inc. (2009)
Site reference Mihalasky and others (2011, revised 2013)