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Pashpap

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Porphyry copper (Cu-Mo) deposit in Ancash, Peru

Names and other identifiers

GMRAP ID 251
Tract name Peru-Ecuador middle–late Miocene La Granja (005pCu1006)
Site status deposit

Geographic location

Country Peru
State or province Ancash
Geographic location -77.995833333, -8.788611111
Geologic map unit -77.995833333, -8.788611111
Nearby data
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Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age (Ma) 14.7Ma
Age determination method unknown
Age range 14.7 Ma
Age reference Singer and others (2008)
Minerals anhydrite, biotite, bornite, chalcocite, chalcopyrite, chlorite, covellite, digenite, epidote, galena, kaolinite, magnetite, molybdenite, pyrite, pyrrhotite, sericite, sphalerite, tourmaline
Associated rocks andesite, aplite, breccia, dacite porphyry, diorite, granite porphyry, granodiorite, hornfels, lamprophyre, monzonite, quartz monzonite porphyry, skarn, tonalite, conglomerate, granodiorite, limestone, marble, quartzite, sandstone, siltstone
Tectonic setting continental margin
Stratigraphic age Miocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo
Tonnage (Mt) 142Mt
Cu grade (%) 0.45%
Mo grade (%) 0.04%
Contained copper 640,000t
Gold-Moly ratio -9999

Reference information

Comments Resource above at 0.09% Cu cutoff grade. Resource at 0.4% Cu cutoff grade: 101.4 Mt grading 0.64% Cu and 0.049 Mo. 30% of the deposit area covered by alluvium and talus.
Study area name Andes
References Cinits (2003); Escarrachi (1985); Noble and McKee (1999); Petersen and Vidal (1996); Torres and Enriquez (1997); Singer and others (2008)
Site reference Cunningham and others (2008)
Cinits, R., 2003, Technical report on Pashpap property: Lumina Copper Corporation, Project no. 141356, 142 p., accessed 2008, at http://www.luminacopper.com/s/PashpapProperty.asp. [Web page no longer available.]
Escarrachi, R.A., 1985, Alteration hydrothermal y mineralization del yacimiento porfidico de cobre y molibdeno de Pashpap, departamento de Ancash, Peru: Transactions of the Latin American Geological Conference, 4th, Port-of-Spain, Trinidad and Tobago, July 7–15, 1979, v.1, p. 474–495.
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.
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/.
Torres, A., and Enriquez, J.A., 1997, Geologia del porfido de Cu-Mo de Pashpap: Congreso Peruano de Geología, 9th, Resúmenos Extendidos, Sociedad Geológica del Perú, v. 1, p. 195–198.