Bajo de la Leona, Porphyry copper prospect

Bajo de la Leona

Porphyry copper prospect in Santa Cruz, Argentina

Names and other identifiers

GMRAP ID	708
Tract name	Argentina, Late Triassic to Middle Jurassic, Bajo de la Leona (005pCu1019)
Site status	prospect

Geographic location

Country	Argentina
State or province	Santa Cruz
Geographic location	-67.308333333, -48.075 (click for info)
Geologic map unit	-67.308333333, -48.075
Nearby data	List Map

Geologic information

Deposit type	Porphyry copper
Age (Ma)	200Ma
Age determination method	unknown
Age range	~200 Ma
Age reference	Márquez and Godeas (1999)
Minerals	azurite/malachite, betekhtinite, bornite, chalcocite, chalcopyrite, covellite, cuprite, delafossite, digenite, electrum, enargite, galena, hematite/specularite, limonite, molybdenite, pyrite, sphalerite, tennantite/tetrahedrite, tenorite
Associated rocks	aplite, granodiorite porphyry, basalt, volcanoclasics, granite, granodiorite
Tectonic setting	continental margin
Stratigraphic age	Late Triassic–Early Jurassic

Commodity and development information

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

Reference information

Comments	Average grades: 1.71% Cu, 26.1 g/t Ag.
Study area name	Andes
References	Cunningham and others (2007); Márquez and Godeas (1999); Singer and others (2008)
Site reference	Cunningham and others (2008)

Cunningham, C.G., Bawiec, W.J., Schulz, K.J., Briskey, J.A., Carlin, Jr., J.F., and Sutphin, D.M., 2007, Minerals, biodiversity, and choices, in Briskey, J.A., and Schulz, K.J., eds., Proceedings for a Workshop on Deposit Modeling, Mineral ResourcesAssessment, and Their Role in Sustainable Development, 31st International Geological Congress, Rio de Janeiro, Brazil, August 1819, 2000: U.S. Geological Survey Circular 1294, p. 3134. (Also available at http://pubs.usgs.gov/circ/2007/1294/.)

Márquez, Marcelo, and Godeas, M.C., 1999, Las mineralizaciones cupro-molibdeníferas del Bajo de la Leona, Santa Cruz, in Zappettini, E.O., ed., Recursos Minerales de la Republica Argentina: Buenos Aires, Argentina, Instituto de Geología y Recursos Minerales (SEGEMAR), Anales 35, p. 845850.

Singer, D.A., Berger, V.I., and Moring, B.C., 2008, Porphyry copper deposits of the worldDatabase 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/.