Centinela

Porphyry copper prospect in Antofagasta, Chile

Names and other identifiers

GMRAP ID 292
Tract name Chile Eocene–Oligocene Chuquicamata (005pCu1010)
Site status prospect

Geographic location

Country Chile
State or province Antofagasta
Geographic location -69.168333333, -23.163333333
Geologic map unit -69.168333333, -23.163333333
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 44.3Ma
Age determination method unknown
Age range 44.3 ±1.5 Ma
Age reference Singer and others (2008)
Minerals atacamite, chalcocite, chalcopyrite, chrysocolla, chlorite, clay minerals, pyrite, sericite, tenorite, tourmaline
Associated rocks dacite porphyry, diorite, tonalite, volcanic rocks
Tectonic setting continental margin
Stratigraphic age Eocene

Commodity and development information

Development status Past Producer
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments Preliminary resources: 4.5 Mt at 0.64% Cu.
Study area name Andes
References Boric and others (1990); Zappettini and others (2001); Singer and others (2008)
Site reference Cunningham and others (2008)
Boric, R.P., Diaz, F.F., and Maksaev, V.J., 1990, Geología y yacimientos metalíferos de la Región de Antofagasta: Santiago, [Chile] Servicio Nacional de Geología y Mineneria, Boletin 40, 246 p., 1 map, scale 1:500,000.
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.