Bajo de San Lucas

Porphyry copper prospect in Catamarca, Argentina

Names and other identifiers

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

Geographic location

Country Argentina
State or province Catamarca
Geographic location -66.55, -27.4
Geologic map unit -66.55, -27.4
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 7.1Ma
Age determination method K-Ar biotite
Age range 7.1 ±0.1 Ma
Age reference Sillitoe (1977)
Minerals biotite, chalcopyrite, chlorite, delafossite, epidote, gypsum, hematite, magnetite, malachite, molybdenite, pyrite, sericite
Associated rocks dacite porphyry, monzonite porphyry, andesite, granite, diorite porphyry, metasedimentary rocks, phyllite, sandstone, schist
Tectonic setting continental margin
Stratigraphic age Miocene

Commodity and development information

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

Reference information

Comments Reported grades range from 0.05 to 0.26% Cu, ?0.35 g/t Au, 1.65 to 2.5 g/t Ag. Farallon Negro volcanic region.
Study area name Andes
References Alderete (1999b); Koukharsky and Mirré (1976); Sasso and Clark (1998); Sillitoe (1977); Singer and others (2008)
Site reference Cunningham and others (2008)