Cerro Corona

Porphyry copper (Cu-Au) deposit in Cajamarca, Peru

Names and other identifiers

Tract name Peru-Ecuador middle–late Miocene La Granja (005pCu1006)
Site status deposit

Geographic location

Country Peru
State or province Cajamarca
Geographic location -78.605833333, -6.761666667
Geologic map unit -78.605833333, -6.761666667
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 10Ma
Age determination method unknown
Age range 13–8 Ma
Age reference Singer and others (2008)
Minerals andalusite, biotite, bornite, chalcocite, chalcopyrite, chlorite, clay minerals, covellite, diaspore, enargite, magnetite, molybdenite, pyrite, pyrophyllite, pyrrhotite, sericite, tennantite
Associated rocks andesite porphyry, quartz porphyry, skarn, granodiorite porphyry, limestone, siltstone, rhyodacite
Tectonic setting continental margin
Stratigraphic age Miocene

Commodity and development information

Development status Occurrence
Major commodities Cu, Au
Tonnage (Mt) 300Mt
Cu grade (%) 0.3%
Au grade (g/t) 0.5g/t
Contained copper 900,000t
Gold-Moly ratio -9999

Reference information

Comments Exposed.
Study area name Andes
References Cabello (2002); Gold Fields Ltd. (2003); Gustafson and others (2004); Little (1995a); Macfarlane and others (1994); Noble and McKee (1999); Northern Peru Copper Corp. (2007a); Petersen and Vidal (1996); Singer and others (2008)
Site reference Cunningham and others (2008)
Cabello, J., 2002, Copper exploration in the central Andes—A review: Chile, BHP Billiton, 7 p., accessed 2008, at http://www.metabulletin.com/speakerpaper/copper/presentations/bhpbilliton.pdf. [Web page no longer available.]
Gold Fields Ltd., 2003, Cerro Corona, Peru, Exploration, South America: Gold Fields Ltd. Web page, 2 p., accessed 2008, at http://www.goldfields.co.za/content/operations/pdf/samerica_corona.pdf. [Web page no longer available. See http://www.goldfields.co.za/ops_int_cerro.php.]
Gustafson, L.B., Vidal, C.E., Pinto R., and Noble, D.C., 2004, Porphyry-epithermal transition, Cajamarca region, northern Peru, in Sillitoe, R.H., Perelló, J., Vidal, C., eds., Andean metallogeny—New discoveries, concepts and updates: Society of Economic Geologists Special Publication 11, p. 279–299.
Little, M.L., 1995a, Exploration review—South America—Peru: Society of Economic Geologists SEG Newsletter, no. 22, p. 34–35. (Also available at http://www.segweb.org/pdf/publications/newsletters/1995/SEG-Newsletter-22-1995-July.pdf.)Macfarlane, A.W., Prol-Ledesma, Rosa-Maria, and Conrad, M.E., 1994, Isotope and fluid inclusion studies of geological and hydrothermal processes, northern Peru: International Geology Review, v. 36, p. 645–677. (Also available at http://dx.doi.org/10.1080/00206819409465480.)
Noble, D.C., and McKee, E.H., 1999, The Miocene metallogenic belt of central and northern Peru, in Skinner, B.J., ed., Geology and ore deposits of the central Andes: Society of Economic Geologists Special Publication 7, p. 155–193.
Northern Peru Copper Corp., 2007a: Northern Peru Copper Corp. press release, January 4, 2007, 2 p., accessed 2008, at http://www.northernperu.com/s/NewsReleases.asp?ReportID=164907. [Web page no longer available.]
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/.