Mineral Butte

Porphyry copper deposit in Arizona, United States

Names and other identifiers

GMRAP ID 65
Tract name Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Site status deposit

Geographic location

Country United States
State or province Arizona
Geographic location -111.58, 33.11
Geologic map unit -111.58, 33.11
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 70Ma
Age determination method unknown
Age range 70 Ma
Age reference Singer and others (2008)
Minerals chalcopyrite, limonite, pyrite
Associated rocks quartz monzonite, basalt, diabase, granite, schist
Tectonic setting continental margin
Stratigraphic age Late Cretaceous

Commodity and development information

Development status Occurrence
Major commodities Cu
Tonnage (Mt) 13Mt
Cu grade (%) 0.4%
Contained copper 50,000t
Gold-Moly ratio -9999

Reference information

Comments 25% covered.
Study area name United States
References Chaffee (1976); Singer and others (2008)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)