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Labangan

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Porphyry copper prospect in Zamboanga del Sur, Philippines

Names and other identifiers

GMRAP ID 515
Tract name Sulu-Zamboanga Arc (142pCu7307)
Site status prospect

Geographic location

Country Philippines
State or province Zamboanga del Sur
Geographic location 123.3, 7.933333333
Geologic map unit 123.3, 7.933333333
Nearby data
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Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range late Miocene–early Pliocene(?)
Age reference Mercado (1975)
Minerals actinolite, alunite, azurite, bornite, chalcocite, chalcopyrite, chlorite, covellite, galena (+gold), hematite, kaolinite/dickite, malachite, molybdenite, pyrite, sericite, silver
Associated rocks quartz diorite, andesite to basalt, dacite, pyroclastics, sandstone, shale
Tectonic setting island arc
Stratigraphic age late Miocene–early Pliocene(?)

Commodity and development information

Development status Prospect
Major commodities Cu
Gold-Moly ratio -9999

Reference information

Comments Porphyry copper-gold prospect associated with diorite porphyry, andesitic to basaltic flows, NW-SE faults. Alteration: silicification.
Study area name East and Southeast Asia
References Jimenez and others (2002); Mercado (1975); Sillitoe and Gappe (1984); Singer and others (2008)
Site reference Hammarstrom and others (2014)
Jimenez, F.A., Jr., Yumul, G.P., Jr., Maglambayan, V.B., and Tamayo, R.A., Jr., 2002, Shallow to near-surface, vein-type epithermal gold mineralization at Lalab in the Sibutad gold deposit, Zamboanga del Norte, Mindanao, Philippines: Journal of AsianEarth Sciences, v. 21, p. 119–133. (Also available at http://dx.doi.org/10.1016/S1367-9120(02)00024-X.)
Mercado, V.O., 1975, Preliminary report on the geology and mineralization of the Labangan copper-gold property, Dipaya, Labangan, Zamboanga del Sur: Victoria Consolidated Resources Corp. unpub. report, 10 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/.