Porphyry copper (Cu-Au) deposit in Zambales, Philippines

Names and other identifiers

Tract name Luzon Arc (western segment) (142pCu7301c)
Site status deposit

Geographic location

Country Philippines
State or province Zambales
Geographic location 120.366666667, 15.008333334
Geologic map unit 120.366666667, 15.008333334
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 2.1Ma
Age determination method unknown
Age range 4.1–0.19 Ma
Age reference Singer and others (2008)
Minerals alunite, bornite, chalcopyrite, chlorite, dickite, kaolinite, malachite, diaspore, pyrite, sericite
Associated rocks breccia, diorite porphyry, dacite porphyry, andesite flow, andesite tuff, dacite flow, dacite tuff
Tectonic setting island arc
Stratigraphic age Pliocene–Pleistocene

Commodity and development information

Development status Prospect
Major commodities Cu
Tonnage (Mt) 20Mt
Cu grade (%) 0.41%
Au grade (g/t) 0.6g/t
Ag grade (g/t) 3g/t
Contained copper 82,000t
Gold-Moly ratio -9999

Reference information

Comments Exposed. Several types of mineralization are indicated, including epithermal-style mineralization associated with porphyry intrusion, a porphyry-copper association and epithermal replacement-style mineralization.
Study area name East and Southeast Asia
References Fernandez (1986); Sillitoe and Gappe (1984); Singer and others (2008)
Site reference Hammarstrom and others (2014)
Fernandez, J.C., 1986, Geology and mineral resources of the Philippines, Volume 2, Mineral Resources: Manila, [Philippines] Mines and Geosciences Bureau, 446 p.
Sillitoe, R.H., and Gappe, I.M., Jr., 1984, Philippine porphyry copper deposits—Geologic setting and characteristics: Committee for Co-ordination of Joint Prospecting for Mineral Resources in Asian Offshore Areas (CCOP), CCOP Technical Publication 14, 89 p.
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/.