Los Chancas

Porphyry copper (Cu-Mo) deposit in Apurímac, Peru

Names and other identifiers

GMRAP ID 615
Tract name Peru Eocene–Oligocene Antapaccay (005pCu1009)
Site status deposit

Geographic location

Country Peru
State or province Apurímac
Geographic location -73.133333333, -14.158055556
Geologic map unit -73.133333333, -14.158055556
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Mo
Age (Ma) 32Ma
Age determination method K-Ar biotite
Age range 32.0 ±0.8 Ma
Age reference Perelló and others (2003)
Minerals antlerite, biotite, bornite, brochantite, chalcocite, chalcopyrite, chlorite, chrysocolla, covellite, cuprite, digenite, epidote, ferrimolybdite, goethite, limonite, malachite, molybdenite, neotocite, pyrite, sericite, tenorite
Associated rocks breccia, quartz monzonite porphyry, granodiorite porphyry, quartzite
Tectonic setting continental margin
Stratigraphic age Oligocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au
Tonnage (Mt) 200Mt
Cu grade (%) 1%
Mo grade (%) 0.08%
Au grade (g/t) 0.12g/t
Contained copper 2,000,000t
Gold-Moly ratio 2

Reference information

Comments Andahuaylas-Yauri belt. Exposed.
Study area name Andes
References Cabello (2002); Coralles (2001); Perelló, Carlotto and others (2003); Singer and others (2008)
Site reference Cunningham and others (2008)