Pine Flat, Porphyry copper deposit

Pine Flat

Porphyry copper deposit in Arizona, United States

Names and other identifiers

GMRAP ID	57
Tract name	Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Site status	deposit

Geographic location

Country	United States
State or province	Arizona
Geographic location	-112.351944444, 34.368888889 (click for info)
Geologic map unit	-112.351944444, 34.368888889
Nearby data	List Map

Geologic information

Deposit type	Porphyry copper
Minerals	azurite/malachite, barite, biotite, bornite, carbonate, chalcocite/digenite, chalcopyrite, chlorite, cuprite/tenorite, epidote, galena, goethite/limonite, hematite/specularite, kaolinite, magnetite, molybdenite, montmorillonite, pyrite, sericite, sphalerite, zeolite
Associated rocks	alaskite, andesite, aplite, breccia, dacite porphyry, quartz monzonite porphyry, gneiss, schist
Tectonic setting	continental margin

Commodity and development information

Development status	Occurrence
Major commodities	Cu
Tonnage (Mt)	25Mt
Cu grade (%)	0.36%
Mo grade (%)	0.008%
Au grade (g/t)	0.17g/t
Ag grade (g/t)	4g/t
Contained copper	90,000t
Gold-Moly ratio	20

Reference information

Comments	Exposed.
Study area name	United States
References	Spatz (1995); Singer and others (2008)
Site reference	U.S. Geological Survey National Mineral Resource Assessment Team (2002)

Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the worldDatabase and grade and tonnage models, 2008: U.S. Geological Survey Open-File Report 2008-1155, [45] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2008/1155/.

Spatz, D.M., 1995, Geology and zoning relationships at the Pine Flat porphyry copper deposit, Yavapai County, Arizona, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Tucson, Arizona Geological Society Digest 20, p. 347363.