Taysan

Porphyry copper deposit in Batangas, Philippines

Names and other identifiers

GMRAP ID 502
Tract name Luzon Arc (western segment) (142pCu7301c)
Site status deposit

Geographic location

Country Philippines
State or province Batangas
Geographic location 121.210823, 13.764387
Geologic map unit 121.210823, 13.764387
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 7.32Ma
Age determination method K-Ar whole rock
Age range 7.32 ±0.21 Ma
Age reference Imai (2001)
Minerals anhydrite/gypsum, azurite/malachite, Bi-sulphosalt, biotite, bornite, chalcocite, chalcopyrite, chlorite, chrysocolla, copper, cuprite, epidote, galena, goethite/limonite, gold, hematite, idaite, illite, kaolinite, magnetite, molybdenite, montmorillonite, pyrite, sericite, silver, sphalerite
Associated rocks andesite porphyry, breccia, dacite porphyry, limestone, quartz diorite, trondhjemite, andesite, conglomerate, gabbro, graywacke, metavolcanic rocks, pillow basalt, quartz diorite porphyry, sandstone, tuff
Tectonic setting island arc
Stratigraphic age Miocene

Commodity and development information

Development status Prospect
Major commodities Cu, Mo, Au, Ag
Tonnage (Mt) 968Mt
Cu grade (%) 0.22%
Mo grade (%) 0.003%
Au grade (g/t) 0.09g/t
Ag grade (g/t) 0.68g/t
Contained copper 2,100,000t
Gold-Moly ratio 30

Reference information

Comments 70% of the deposit area covered.
Study area name East and Southeast Asia
References Anonymous (2006a); Crazy Horse Resources Inc. (2012); Delos Santos and Kajiwara (1995); Imai (2002); Leach (1999); McPHAR Geoservices (2006); Sillitoe and Gappe (1984); Singer and others (2008); Wolfe and others (1978); Imai (2001)
Site reference Hammarstrom and others (2014)
Anonymous, 2006a, Mindoro stays the course in the Philippines: The Northern Miner, August 18–24, 2006, p. B7–B8.
Crazy Horse Resources, Inc., 2012, Taysan copper-gold project: Crazy Horse Resources, Inc. Web page accessed March 15, 2012, at http://crazyhorseresources.com/s/TaysonProject.asp.
Delos Santos, M.S., Jr., and Kajiwara, Y., 1995, The geology, mineralization and hydrothermal alteration of the Taysan porphyry copper deposit, Batangas, Philippines [abs.]: Resource Geology, v. 45, no. 4, p. 279.
Imai, Akira, 2001, Generation and evolution of ore fluids for porphyry Cu-Au mineralization of the Santo Tomas II (Philex) deposit, Philippines: Resource Geology, v. 51, no. 2, p. 71–96. (Also available at http://dx.doi.org/10.1111/j.1751-3928.2001.tb00083.x.)Imai, Akira, 2002, Metallogenesis of porphyry Cu deposits of the Western Luzon arc, Philippines—K-Ar ages, SO3 contents of microphenocrystic apatite and significance of intrusive rocks: Resource Geology, v. 52, no. 2, p. 147–161. (Also available at 10.1111/j.1751-3928.2002.tb00127.x.)
Leach, T.M., 1999, Evolution of selected porphyry copper-gold systems in the northwest Pacific region and its relevance to exploration, in Weber, Graeme, ed., PACRIM ‘99 Congress—International Congress on Earth Science, Exploration and Mining around the Pacific Rim, Bali, Indonesia, October 10–13, 1999, Proceedings: Carlton, Australia, Australasian Institute of Mining and Metallurgy Publication Series no. 4/99, p. 211–225.
McPHAR Geoservices Phils., Inc., 2006, Tayson project: McPHAR Geoservices Phils., Inc. Web page, accessed August 29, 2013, at http://www.mcphar.com.ph/case_history.asp?case=taysan.
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/.Wolfe, J.A., Manuzon, M.S., and Divis, A.F., 1978, The Taysan porphyry copper deposit, southern Luzon Island, Philippines: Economic Geology, v. 73, p. 608–617. (Also available at http://dx.doi.org/10.2113/gsecongeo.73.5.608.)