Cajamarca
Producer

La Granja

Cajamarca, Peru
SilverMolybdenumCopper
⌖ Show on mapUSGS source ↗
Commodities
PrimarySilver, Molybdenum, Copper
Commodity typeM
Deposit
Model53: Porphyry Cu
Materials
Ore mineralsActinolite, Alunite, Anhydrite, Andalusite, Bornite, Chalcocite, Chalcopyrite, Chlorite, Covellite, Diaspore, Enargite, Epidote, Kaolinite, Limonite, Magnetite, Molybdenite, Pyrite, Pyromorphite, Rutile, Sericite, Tennantite, Tourmaline, Wollastonite
Geology
Host rockVolcanic Breccia (Agglomerate),Marble,Quartzite,Skarn (Tactite),Andesite,Diorite,Granodiorite,Limestone
Economic & production
Development statusProducer
Discovery year1969
Identification
Deposit ID10400149
RegionSA
Data scoreB
Coordinates6.35925, 79.11974
References
Anonymous, 1995, Reserves triple at cambior's Granja deposit: Northern Miner, v. 81, no. 31, p. 3Anonymous, 2000, Billiton wins La Granja lottery: The Northern Miner, v. 86 no. 41, December 4-10, p. 1Long, K.R., 1995, production and reserves of Cordilleran (Alaska to Chile) porphyry copper deposits, in Pierce, F.W., and Bolm, J.G., eds., Porphyry copper deposits of the american Cordillera: Tucson, Arizona Geological Society Digest 20, p. 35-68Petersen, U., and Vidal, C.E., 1996, Magmatic and tectonic controls on the nature and distribution of copper 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. 1-18Schwartz, M.O., 1982, The prophyry copper deposits at La Granja, Peru: Economic Geology, v. 77, p. 482-488Schwartz, M.O., 1982, Geochemistry of the porphyry copper deposit at La Granja, Peru: Geologisches Yahrbuch, Reihe D., Heft 57, p. 3-35Noble, 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 No. 7, p. 155-193Cooke, D.R., Hollings, P., Giant porphyry deposits: Characteristics, distribution and tectonic controls, Economic Geology, August 2005, v. 100; no. 5., p. 801-818: doi: 10.2113/100/5/801. Retrieved from the WWW 12/11/07Singer, D.A., Berger, V.I., Moring, B.C., Porphyry copper deposits of the world: Database, maps, and grade and tonnage models, USGS Open-File Report 2005-1060 (2005). http://pubs.usgs.gov/of/2005/1060/of2005-1060.pdf. Retrieved from the WWW on 12/11/07