Kijik River

Porphyry copper prospect in Alaska, United States

Names and other identifiers

GMRAP ID 3
Tract name Western Alaska Range (003pCu5004)
Site status prospect

Geographic location

Country United States
State or province Alaska
Geographic location -154.315, 60.353055556
Geologic map unit -154.315, 60.353055556
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 60Ma
Age determination method unknown
Age range 63–56 Ma
Age reference Singer and others (2008)
Minerals arsenopyrite, chalcopyrite, chlorite, galena, pyrite, pyrrhotite, sericite, tetrahedrite
Associated rocks breccia, dacite porphyry, andesite, basalt, granite porphyry
Tectonic setting continental margin
Stratigraphic age Paleocene

Commodity and development information

Development status Occurrence
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments Undrilled estimate of 91 Mt at 0.25% Cu, 0.17% Mo, 470 g/t Ag.
Study area name United States
References Nelson and others (1983); Nelson and others (1985); Nokleberg and others (1987); Singer and others (2008)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)