Porphyry copper deposit in Moquegua, Peru

Names and other identifiers

Tract name Chile-Peru Paleocene–Eocene Toquepala (005pCu1008)
Site status deposit

Geographic location

Country Peru
State or province Moquegua
Geographic location -70.615833333, -17.108055556
Geologic map unit -70.615833333, -17.108055556
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 54Ma
Age determination method unknown
Age range 55–53 Ma
Age reference Singer and others (2008)
Minerals brochantite, chalcocite, chalcopyrite, chlorite, chrysocolla, clay minerals, copper, covellite, cubanite, cuprite, enargite, epidote, Fe and Mn oxides, galena, hematite, jarosite, limonite, malachite, molybdenite, pyrite, sericite, sphalerite, turquoise
Associated rocks breccia, monzonite porphyry, andesite, granodiorite porphyry, rhyolite
Tectonic setting continental margin
Stratigraphic age Eocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Ag
Tonnage (Mt) 974Mt
Cu grade (%) 0.65%
Mo grade (%) 0.021%
Ag grade (g/t) 2g/t
Contained copper 6,300,000t
Gold-Moly ratio -9999

Reference information

Comments Tonnage includes 213 Mt of enriched material at 0.94% Cu. 100% of the deposit area is covered.
Study area name Andes
References Anonymous (1993c); Clark (1993); Helberg (2000); Hollister (1978); Long (1995); Petersen and Vidal (1996); Sillitoe (1988); Zappettini and others (2001); Singer and others (2008)
Site reference Cunningham and others (2008)
Anonymous, 1993c, Peru: Advertisement supplement to Mining Journal, January 22, v. 320, no. 8208, p. 1–12.
Clark, A.H., 1993, Are outsize porphyry copper deposits either anatomically or environmentally distinctive?, in Whiting, B.H., Hodgson, C.J., and Mason, R., eds., Giant ore deposits: Society of Economic Geologists Special Publication 2, p. 213–283.
Helberg, J.E.A., 2000, La exploracion geophisica del Yacimiento Quellaveco entre 1972-1979—Primer volumen de monografias de yacimientos minerales Peruanos—Historia, exploration y geología: Lima, Instituto de Ingenieros de Minas del Peru, p. 145–154.
Hollister, V.F., 1978, Geology of the porphyry copper deposits of the western hemisphere: New York, American Institute of Mining and Metallurgical Engineers, 219 p.
Long, K.R., 1995, Production and reserves of Cordilleran (Alaska to Chile) porphyry copper deposits, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the American Cordillera: Tucson, Arizona Geological Society Digest 20, p. 35–68.
Petersen, U., and Vidal, C.E., 1996, Magmatic and tectonic controls on the nature and distribution ofcopper deposits in Peru, in Camus, F., Sillitoe, R.H., and Petersen, R., eds., Andean copper deposits—New discoveries, mineralization, styles and metallogeny: Society of Economic Geologists Special Publication, no. 5, p. 1–18.
Sillitoe, R.H., 1988, Epochs of intrusion-related copper mineralization in the Andes: Journal of South American Earth Sciences, v. 1, no. 1, p. 89–108. (Also available at http://dx.doi.org/10.1016/0895-9811(88)90018-1.)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/.
Zappettini, Eduardo; Miranda-Angles, Vitaliano; Rodriguez S., Carolina; Palacios, Oscar; Cocking,Robert; Godeas, Marta; Uribe-Zeballos, Hernán; Vivallo S., Waldo; Paz, M.M.; Seggiaro, Raúl; Heuschmidt, Bertand; Gardeweg P., Moyra; Boulangger Rondoy, Elmere; Korzeniewski, Lidia I.; Mpodozis M., Constantino; Carpio R., Mario; and Rubiolo, Daniel, 2001, Mapa metalogénico de laregión fronteriza entre Argentina, Bolivia, Chile y Perú (14ºS–28ºS): Santiago, Chile, Servicio Nacional de Geología y Minería, Publicacion Geológica Multinacional No. 2, 222 p., 1 map, scale 1:1,000,000.