Silver Creek

Porphyry copper deposit in Wyoming, United States

Names and other identifiers

GMRAP ID 27
Tract name Northern Rocky Mountains (003pCu9004)
Site status deposit

Geographic location

Country United States
State or province Wyoming
Geographic location -109.673429517, 44.026172981
Geologic map unit -109.673429517, 44.026172981
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 40Ma
Age determination method unknown
Age range 40 Ma
Age reference Singer and others (2008)
Minerals biotite, bornite, chalcopyrite, chlorite, epidote, galena, magnetite, malachite, molybdenite, pyrite, sericite, sphalerite
Associated rocks dacite porphyry, rhyodacite porphyry, andesite, trachyandesite, tuff
Tectonic setting continental margin
Stratigraphic age Eocene

Commodity and development information

Development status Occurrence
Major commodities Cu
Tonnage (Mt) 54Mt
Cu grade (%) 0.31%
Contained copper 170,000t
Gold-Moly ratio -9999

Reference information

Study area name United States
References Fisher and others (1977); Hausel (1989); Singer and others (2008)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)