Mine detail: La Granja

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Location:	Cajamarca, Peru, South America
Lat / long:	6.35925, 79.11974
dep_id:	10400149
Commodity type:	metallic
Major mineral:	Silver, Molybdenum, Copper
Operation type:	Unknown
Development status:	Producer
ore:	Actinolite, Alunite, Anhydrite, Andalusite, Bornite, Chalcocite, Chalcopyrite, Chlorite, Covellite, Diaspore, Enargite, Epidote, Kaolinite, Limonite, Magnetite, Molybdenite, Pyrite, Pyromorphite, Rutile, Sericite, Tennantite, Tourmaline, Wollastonite
model:	53: Porphyry Cu
Reporter:	Baker, Deborah A. (Berger, Barney R.)
hrock_type:	Volcanic Breccia (Agglomerate),Marble,Quartzite,Skarn (Tactite),Andesite,Diorite,Granodiorite,Limestone
disc_yr:	1969
References:	Reference:: Anonymous, 1995, Reserves triple at cambio* Granja deposit: Northern Miner, v. 81, no. 31, p. 3 Reference:: Anonymous, 2000, Billiton wins La Granja lottery: The Northern Miner, v. 86 no. 41, December 4-10, p. 1 Reference:: Long, 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. 35-68 Reference:: Petersen, 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. 1-18 Reference:: Schwartz, M.O., 1982, The prophyry copper deposits at La Granja, Peru: Economic Geology, v. 77, p. 482-488 Reference:: Schwartz, M.O., 1982, Geochemistry of the porphyry copper deposit at La Granja, Peru: Geologisches Yahrbuch, Reihe D., Heft 57, p. 3-35 Reference:: 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 No. 7, p. 155-193 Reference:: Cooke, 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 12/11/07 Reference:: Singer, 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