San Fabian

Porphyry copper (Cu-Au) deposit in Nueva Vizcaya, Philippines

Names and other identifiers

Tract name Cordon Alkalic Complex (142pCu7302)
Site status deposit

Geographic location

Country Philippines
State or province Nueva Vizcaya
Geographic location 120.916029611, 16.33472129
Geologic map unit 120.916029611, 16.33472129
Nearby data

Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age (Ma) 20.6Ma
Age determination method unknown
Age range 20.6 Ma
Age reference Singer and others (2008)
Minerals bornite, calcite, chalcopyrite, chlorite, chrysocolla, cuprite, copper, epidote, hematite, kaolinite, limonite, magnetite, malachite/azurite, montmorillonite/smectite, pyrite, sericite
Associated rocks monzonite porphyry, andesite porphyry, andesite, basalt, dacite, dacite porphyry, diorite porphyry, limestone, sandstone, syenite porphyry
Tectonic setting island arc
Stratigraphic age Miocene

Commodity and development information

Development status Prospect
Major commodities Cu, Au
Tonnage (Mt) 314Mt
Cu grade (%) 0.27%
Au grade (g/t) 0.21g/t
Contained copper 850,000t
Gold-Moly ratio -9999

Reference information

Comments Exploration 1966–1980. Exposed.
Study area name East and Southeast Asia
References MMAJ–JICA (1977); Sillitoe and Gappe (1984); Singer and others (2008)
Site reference Hammarstrom and others (2014)
MMAJ-JICA, 1977, Report on geological survey of northeastern Luzon, Phase III: Metal Mining Agency of Japan (MMAJ) and Japan International Cooperation Agency (JICA), Tokyo, 280 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