Porphyry copper prospect in Cuzco, Peru

Names and other identifiers

Tract name Peru Eocene–Oligocene Antapaccay (005pCu1009)
Site status prospect

Geographic location

Country Peru
State or province Cuzco
Geographic location -71.313333333, -14.908333333
Geologic map unit -71.313333333, -14.908333333
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 33Ma
Age determination method K-Ar
Age range 34.7 ±1.0 to 32.5 ±1.0 Ma
Age reference Noble and others (1984)
Minerals albite, azurite/malachite, biotite, bornite, brochantite, carbonate, chalcanthite, chalcocite, chalcopyrite, chrysocolla, chlorite, cuprite, digenite, electrum, epidote, garnet, halloysite, illite/smectite, magnetite, molybdenite, sericite, tenorite, tremolite
Associated rocks andesite porphyry, breccia, dacite porphyry, quartz monzonite porphyry, latite porphyry, mafic dike, skarn, diorite, granodiorite, limestone, quartzite, shale
Tectonic setting continental margin
Stratigraphic age Eocene–Oligocene

Commodity and development information

Development status Producer
Major commodities Cu, Au, Ag
Gold-Moly ratio -9999

Reference information

Comments +200 Mt resources at 1.5% Cu, 0.23 g/t Au, 6.8 g/t Ag relate to mineralized skarn probably accompanied by porphyry mineralization. Andahuaylas-Yauri belt. 70% of the deposit covered by alluvium.
Study area name Andes
References Anonymous (1984); Anonymous (1993c); Cardozo (2004); Fierro and others (1997); Noble and others (1984); Perelló, Carlotto and others (2003); Petersen and Vidal (1996); Zappettini and others (2001); Zweng and others (1997); Singer and others (2008)
Site reference Cunningham and others (2008)
Anonymous, 1984, Tintaya, Peru's newest copper mine slated for 1985 start-up: Engineering and Mining, November, p. 90–92.
Anonymous, 1993c, Peru: Advertisement supplement to Mining Journal, January 22, v. 320, no. 8208, p. 1–12.
Cardozo, M., 2004, Peruvian Andes—Geology and mineral potential: Peru Ministry of Energy and Mines presentation, 29 p., accessed 2008, at http://www.minem.gob.pe/archivos/dgm/inversiones/exposici. [Web page no longer available.]
Fierro, J.R., Zweng, P.L., Gamarra, H.R., and Garate, G.L., 1997, Chabuca Este Cu-(Au,Ag) skarn depositat Tintaya, Peru: IX Congreso Peruano de Geología. Resúmenos Extendidos, Sociedad Geológica del Perú, v. 1, p. 37–39.
Noble, D.C., McKee, E.H., Eyzaguirre, V.P., and Marocco, René, 1984, Age and regional tectonic and metallogenetic implications of igneous activity and mineralization in the Andahuaylas-Yauri belt of southern Peru: Economic Geology, v. 79, p. 172–176. (Also available at http://dx.doi.org/10.2113/gsecongeo.79.1.17.)Perelló, José; Carlotto, Victor; Zárate, Alberto; Ramos, Pedro; Rosso, Héctor; Neyra, Carlos; Caballero, Alberto; Fuster, Nicolás; and Muhr, Ricardo, 2003, Porphyry-style alteration and mineralization of the middle Eocene to early Oligocene Andahuaylas-Yauri belt, Cuzco region, Peru: Economic Geology, v. 98, p. 1575–1605. (Also available at http://dx.doi.org/10.2113/gsecongeo.98.8.1575.)
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.
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.
Zweng, P.L., Yagua, J.P., Fierro, J.R., Gamarra, H.R., Jordan, L.G, Brooks, J., Yurko, E., and Mulhollen, R., 1997, The Cu-(Au,Ag) skarn deposits at Tintaya, Peru: Congreso Peruano de Geología, 9th, Resúmenos Extendidos, Sociedad Geológica del Perú,v. 1, p. 237–242.