Mocoa

Porphyry copper (Cu-Mo) deposit in Putumayo, Colombia

Names and other identifiers

GMRAP ID 223
Tract name Colombia-Ecuador-Peru Jurassic San Carlos (005pCu1003)
Site status deposit

Geographic location

Country Colombia
State or province Putumayo
Geographic location -76.666666667, 1.241666667
Geologic map unit -76.666666667, 1.241666667
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age (Ma) 166Ma
Age determination method K-Ar
Age range 166 ±4 Ma
Age reference Sillitoe and others (1982)
Minerals actinolite, anhydrite/gypsum, barite, biotite, bornite, calcite, chalcocite, chalcopyrite, chlorite, epidote, hematite, jarosite, limonite, magnetite, molybdenite, prehnite, pyrite, sericite, sphalerite, tetrahedrite/tennantite, zeolite
Associated rocks breccia, dacite porphyry, skarn ,adamellite, amphibolite, gneiss, granodiorite,andesite, dacite, limestone, mudstone, siltstone, tuff
Tectonic setting continental margin
Stratigraphic age Middle Jurassic

Commodity and development information

Development status Occurrence
Major commodities Cu, Mo
Tonnage (Mt) 283Mt
Cu grade (%) 0.37%
Mo grade (%) 0.061%
Contained copper 1,000,000t
Gold-Moly ratio -9999

Reference information

Study area name Andes
References Lobo-Guerrero (2003); Long (1995); Sillitoe (1988); Sillitoe and others (1982); Sillitoe and others (1984); Singer and others (2008)
Site reference Cunningham and others (2008)
Lobo-Guerrero, A.S., 2003, Gold and copper dissemination in the igneous-volcanic Saldaña Formation of Natagaima, Colombia, and extension of the mineral province in the Andean Cordillera, in Eliopoulos, D.G., and others, eds., Mineral exploration andsustainable development: Rotterdam, Millpress, v. 1, p. 319–322.
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.
Sillitoe, R.H., 1988, Epochs of intrusion-related copper mineralization in the Andes: Journal of South American Earth Sciences, v. 1, no. 1, p. 89–108. (Also available at http://dx.doi.org/10.1016/0895-9811(88)90018-1.)Sillitoe, R.H., Jaramillo, Luis, Damon, P.E., Shafiquillah, Muhammed, and Escobar, Ricardo, 1982, Setting, characteristics, and age of the Andean porphyry copper belt in Colombia: Economic Geology, v. 77, p. 1837–1850. (Also available at http://dx.doi.org/10.2113/gsecongeo.77.8.1837.)Sillitoe, R.H., Jaramillo, Luis, and Castro, Hector, 1984, Geologic exploration of a molybdenum-rich porphyry copper deposit at Mocoa, Colombia: Economic Geology, v. 79, p. 106–123. (Also available at http://dx.doi.org/10.2113/gsecongeo.79.1.106.)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/.