San Xavier North

Porphyry copper deposit in Arizona, United States

Names and other identifiers

GMRAP ID 84
Tract name Western Sierra Madre Occidental and Laramide Central (003pCu3007x)
Site status deposit

Geographic location

Country United States
State or province Arizona
Geographic location -111.080365201, 32.027730394
Geologic map unit -111.080365201, 32.027730394
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 56Ma
Age determination method unknown
Age range 56 Ma
Age reference Singer and others (2008)
Minerals altaite, alunite, azurite/malachite, bornite, chalcocite, chalcopyrite, chlorite, chrysocolla, epidote, galena, goethite/limonite, hematite/specularite, kaolinite, molybdenite, neotocite, pyrite, sericite, sphalerite, tenorite
Associated rocks quartz monzonite porphyry, dolomite, granite, granodiorite, limestone, quartzite, rhyodacite tuff, andesite, conglomerate, fanglomerate, mudstone, sandstone, siltstone
Tectonic setting continental margin
Stratigraphic age Paleocene

Commodity and development information

Development status Occurrence
Major commodities Cu
Tonnage (Mt) 208Mt
Cu grade (%) 0.54%
Contained copper 1,100,000t
Gold-Moly ratio -9999

Reference information

Comments 100% covered.
Study area name United States
References King (1982); King (1978); Titley (1982); Singer and others (2008)
Site reference U.S. Geological Survey National Mineral Resource Assessment Team (2002)
King, J.R., 1978, The geology of the San Xavier North porphyry copper deposit, Pima mining district, Arizona, in Jenney, J.P and Hauck, H.R., eds., Porphyry Copper Symposium, Tucson, Ariz., March 18–20, 1976, Proceedings: Arizona Geological Society Digest 11, p. 101–102. (Also available at http://www.arizonageologicalsoc.org/Default.aspx?pageId=1665440 and at http://archives.arizonageologicalsoc.org/digests/AGS_DIG11_S.PDF.)
King, J.R., 1982, Geology of the San Xavier North porphyry copper deposit, Pima mining district, Pima County, Arizona, in Titley, S.R., ed., Advances in geology of the porphyry copper deposits, southwestern North America: Tucson, University of Arizona Press, p. 475–485.
Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the world—Database 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/.
Titley, S.R., 1982, Some features of tectonic history and ore genesis in the Pima mining district, in Titley, S.R., ed., Advances in geology of the porphyry copper deposits, southwestern North America: Tucson, University of Arizona Press, p. 387–406.