Bajo de Agua Tapado

Porphyry copper prospect in Catamarca, Argentina

Names and other identifiers

GMRAP ID 320
Tract name Argentina Miocene–Pliocene Bajo de la Alumbrera (005pCu1014c)
Site status prospect

Geographic location

Country Argentina
State or province Catamarca
Geographic location -66.65, -27.266666667
Geologic map unit -66.65, -27.266666667
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 8Ma
Age determination method unknown
Age range 11–6 Ma
Age reference Singer and others (2008)
Minerals barite, biotite, calcite, chalcopyrite, chlorite, epidote, galena, magnetite, pyrite, sericite, sphalerite
Associated rocks breccia, dacite porphyry,conglomerate (block and ash flow deposit),andesite, andesite agglomerate, basalt, monzonite
Tectonic setting continental margin
Stratigraphic age Miocene

Commodity and development information

Development status Occurrence
Major commodities Au, Ag
Gold-Moly ratio -9999

Reference information

Comments Thin veins ?2.2 g/t Au, 174 g/t Ag. Exposed. Farallon Negro volcanic region.
Study area name Andes
References Alderete (1999a); Clark and Arancibia (1996); Harris and others (2006); Koukharsky and Mirré (1976); Sasso and Clark (1998); Singer and others (2008); Singer and others (2008)
Site reference Cunningham and others (2008)
Alderete, M.C., 1999a, Bajo de Agua Tapada, Catamarca, in Zappettini, E.O., ed., Recursos minerales de la República Argentina: Buenos Aires, Instituto de Geología y Recursos Minerales (SEGEMAR), Anales 35, p. 1475–1478.
Clark, A.H., and Arancibia, O.N., 1996, The occurrence, paragenesis and implications of magnetite-rich alteration-mineralization in calc-alkaline porphyry copper deposits, in Clark, A.H., ed., Giant ore deposits—II: Proceedings of the Second Giant Ore Deposits Workshop, Kingston, Ontario, Canada, p. 583–640.
Harris, A.C., Bryan, S.E., and Holcombe, R.J., 2006, Volcanic setting of the Bajo de la Alumbrera porphyry Cu-Au deposit, Farallón Negro volcanics, northwest Argentina: Economic Geology, v. 101, p. 71–94. (Also available at http://dx.doi.org/10.2113/gsecongeo.101.1.71.)Koukharsky, Magdalena, and Mirré, J.C., 1976, Mi Vida prospect—A porphyry copper-type deposit in northwestern Argentina: Economic Geology, v. 71, p. 849–863. (Also available at http://dx.doi.org/10.2113/gsecongeo.71.5.849.)Sasso, A.M., and Clark, A.H., 1998, The Farallón Negro Group, northwest Argentina—Magmatic, hydrothermal and tectonic evolution and implications for Cu-Au metallogeny in the Andean back-arc: Society of Economic Geologists SEG Newsletter, no. 34, p. 1, 8–18. (Also available at http://www.segweb.org/pdf/publications/newsletters/1998/SEG-Newsletter-34-1998-July.pdf.)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/.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/.