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Kingking

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Porphyry copper (Cu-Au) deposit in Compostela Valley, Philippines

Names and other identifiers

GMRAP ID 520
Alternate names King-king
Tract name Philippine Arc (142pCu7309)
Site status deposit

Geographic location

Country Philippines
State or province Compostela Valley
Geographic location 125.974999999, 7.191667002
Geologic map unit 125.974999999, 7.191667002
Nearby data
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Geologic information

Deposit type Porphyry copper
Deposit subtype Cu-Au
Age determination method Geologic inference
Age range mid-Miocene–late Miocene
Age reference Singer and others (2008)
Minerals anhydrite/gypsum, biotite, bornite, chalcocite, chalcopyrite, chlorite, digenite, epidote, goethite, gold, hematite, kaolinite, magnetite, molybdenite, pyrite, sericite
Associated rocks breccia, dacite porphyry, diorite porphyry, andesite, andesite pyroclastics, mudstone, sandstone, siltstone, tuff
Tectonic setting island arc
Stratigraphic age mid-Miocene–late Miocene

Commodity and development information

Development status Prospect
Major commodities Cu, Au, Ag
Tonnage (Mt) 1,151Mt
Cu grade (%) 0.25%
Au grade (g/t) 0.32g/t
Ag grade (g/t) 5g/t
Contained copper 2,900,000t
Gold-Moly ratio -9999

Reference information

Comments Measured indicated and inferred resources as of January 21, 2011. Feasibility study to be completed in 2012.
Study area name East and Southeast Asia
References Almogela (1974); Fernandez (1986); Fortuna (1998); Philippines Mines and Geosciences Bureau (2007); Mitchell and Leach (1991); Philippine Society of Mining Engineers (2007); Sillitoe (1989b); Sillitoe and Gappe (1984); Singer and others (2008); Suerte and others (2007); St. Augustine Gold and Copper Ltd. (2011); Philippines Mines and Geosciences Bureau (2005)
Site reference Hammarstrom and others (2014)
Almogela, D.H., 1974, Geologic environment and economic possibilities of porphyry copper deposits in the Philippines: Geological Society of the Philippines Journal, v. 28, no. 3, p. 1–16.
Fernandez, J.C., 1986, Geology and mineral resources of the Philippines, Volume 2, Mineral Resources: Manila, [Philippines] Mines and Geosciences Bureau, 446 p.
Fortuna, J., 1998, Late porphyry-related gold mineralization at the Kingking porphyry Cu-Au deposit, Mindanao, Philippines, in Research results from student research grant recipients: Society of Economic Geologists SEG Newsletter, no. 35, p. 5. (Also available at http://www.segweb.org/pdf/publications/newsletters/1998/SEG-Newsletter-35-1998-October.pdf.)
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.
[Philippines] Mines and Geosciences Bureau, 2005, Copper: [Philippines] Mines and Geosciences Bureau Mineral Resource Information Series No. 5, 23 p.
[Philippines] Mines and Geosciences Bureau, 2007, Priority mineral development projects of the Philippines, 27 p.: [Philippines] Mines and Geosciences Bureau report, available at http://www.mgb.gov.ph/revitalization_files/revitalization_23projectsprofile.pdf.Philippine Society of Mining Engineers, 2007, Copper: Philippine Society of Mining Engineers Web page accessed April 15, 2013, at http://www.psem.ph/articles.php?article_id=29.
Sillitoe, R.H., 1989b, Gold deposits in western Pacific island arcs—The magmatic connection, in Keays, R.R., Ramsay, W.R.H., and Groves, D.I., eds., The geology of gold deposits—The perspective in 1988: Economic Geology Monograph 6, p. 274–291.
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/.St. Augustine Gold and Copper Ltd., 2011, St. Augustine Gold and Copper Limited announces 21.6% increase in King-king project total resource containing 5.4 billion lbs copper and 10.3 million oz gold: St. Augustine Gold and Copper Ltd. press release,August 15, 2011, accessed October 15, 2011, at http://sagcmining.com/en/news/news_2011/news20110815.pdf.Suerte, L.O.; Nishihara, Sho; Imai, Akira; Watanabe, Koichiro; Yumul, G. P., Jr., and Maglambayan, V. B., 2007, Occurrences of ore minerals and fluid inclusion study on the Kingking porphyry copper-gold deposit, eastern Mindanao, Philippines: Resource Geology, v. 57, p. 219–229. (Also available at http://dx.doi.org/10.1111/j.1751-3928.2007.00018.x.)