Angelina, Porphyry copper prospect

Angelina

Porphyry copper prospect in Antofagasta, Chile

Names and other identifiers

GMRAP ID	298
Tract name	Chile Cretaceous Antucoya (005pCu1017)
Included sites	Rio Blanco
Site status	prospect

Geographic location

Country	Chile
State or province	Antofagasta
Geographic location	-69.6075, -24.398333333 (click for info)
Geologic map unit	-69.6075, -24.398333333
Nearby data	List Map

Geologic information

Deposit type	Porphyry copper
Age determination method	Geologic inference
Age range	Cretaceous or younger
Age reference	geologic inference
Minerals	alunite, hematite
Associated rocks	sericitic porphyry
Tectonic setting	continental margin
Stratigraphic age	Cretaceous or younger

Commodity and development information

Development status	Past Producer
Gold-Moly ratio	-9999

Reference information

Comments	Hematitic leached capping. 31 Ma of supergene alunite.
Study area name	Andes
References	Sillitoe and McKee (1996); Singer and others (2008); Singer and others (2005)
Site reference	Cunningham and others (2008)

Sillitoe, R.H., and McKee, E.H., 1996, Age of supergene oxidation and enrichment in the Chilean porphyry copper province: Economic Geology, v. 91, p. 164179. (Also available at http://dx.doi.org/10.2113/gsecongeo.91.1.164.)Singer, D.A., Berger, V.I., and Moring, B.C., 2005, Porphyry copper deposits of the worldDatabase, map, and grade and tonnage models: U.S. Geological Survey Open-file Report 2005-1060, [9] p. and digital data, accessed December 31, 2013, at http://pubs.usgs.gov/of/2005/1060/.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/.