Rusaw Creek

Occurrence, Inactive

Commodities and mineralogy

Main commodities Cu
Ore minerals chalcopyrite; magnetite

Geographic location

Quadrangle map, 1:250,000-scale AN
Quadrangle map, 1:63,360-scale C-2
Latitude 61.74
Longitude -147.44
Nearby scientific data Find additional scientific data near this location
Location and accuracy In mountains west of the South Fork of the Matanuska River, sec. 15, T. 19 N., R. 11 E., of the Seward Meridian. Accurate within 1 mile. Locality 49 from Cobb (1972) and locality 38 of MacKevett and Holloway (1977).

Geologic setting

Geologic description

Disseminated chalcopyrite and magnetite in a small, mafic segregation in a Jurassic age quartz diorite (Jasper, 1965). Copper deposits probably similar to those reported on Sheep Mountain - ARDF number AN080 (Berg and Cobb, 1967).
Geologic map unit (-147.44219280121, 61.7394885505459)
Mineral deposit model Porphyry Cu? (Cox and Singer, 1986; model 17?).
Mineral deposit model number 17?
Age of mineralization Jurassic or younger; mineralization hosted by mafic segregations in a Jurassic quartz diorite.

Production and reserves

Indication of production None

Additional comments

Reported to be similar to deposits at Sheep Mountain - ARDF number AN080.