Porphyry copper deposit in Agusan del Norte, Philippines

Names and other identifiers

Tract name Philippine Arc (142pCu7309)
Site status deposit

Geographic location

Country Philippines
State or province Agusan del Norte
Geographic location 125.523333333, 9.258333334
Geologic map unit 125.523333333, 9.258333334
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Pliocene
Age reference Singer and others (2008)
Minerals biotite, bornite, chalcopyrite, molybdenite, pyrite
Associated rocks quartz diorite, andesite, basalt, diorite
Tectonic setting island arc
Stratigraphic age Pliocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo
Tonnage (Mt) 26Mt
Cu grade (%) 0.36%
Mo grade (%) 0.01%
Contained copper 94,000t
Gold-Moly ratio -9999

Reference information

Comments Exploration 1968-1969, 1972. Exposed.
Study area name East and Southeast Asia
References Mitchell and Leach (1991); Sillitoe and Gappe (1984); Singer and others (2008)
Site reference Hammarstrom and others (2014)
Mitchell, A.H.G, and Leach, T.M., 1991, Epithermal gold in the Philippines—Island arc metallogenesis, geothermal systems and geology: London, Academic Press, 457 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