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Porphyry copper prospect in Guadalcanal, Solomon Islands

Names and other identifiers

GMRAP ID 556
Tract name Outer Melanesian Arc II - Melanesia Area (009pCu7210)
Site status prospect

Geographic location

Country Solomon Islands
State or province Guadalcanal
Geographic location 159.833333, -9.433333
Geologic map unit 159.833333, -9.433333
Nearby data
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Geologic information

Deposit type Porphyry copper
Age (Ma) 24.4Ma
Age determination method unknown
Age range 24.4 Ma (diorite-tonalite)
Age reference Singer and others (2008); Chivas and McDougall (1978)
Minerals bornite, chalcopyrite, galena, malachite, magnetite, pyrite, sphalerite
Associated rocks andesite porphyry, andesite, diorite, tonalite
Tectonic setting island arc
Stratigraphic age Oligocene

Commodity and development information

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

Reference information

Comments Diorite-tonalite 24.4 Ma age. Explored by Leigh Resources Corp. 1997: 11 Cu and/or Au prospects identified; heavy vegetation; altered diorite and volcaniclastic rocks; massive magnetite-pyrite-chalcopyrite skarn.
Study area name Southeast Asia and Melanesia
References Chivas and McDougall (1978); Lum and Calicutt (1989); United Nations (1985); Leigh Resources Corp. (1998); Singer and others (2008)
Site reference Hammarstrom and others (2013)
Chivas, A.R., and McDougall, I., 1978, Geochronology of the Koloula porphyry copper prospect, Guadalcanal, Solomon Islands: Economic Geology, v. 73, p. 678–689. (Also available at http://dx.doi.org/10.2113/gsecongeo.73.5.678.)Leigh Resources Corp., 1998, Summary of activities in Solomon Islands, plans for 1998: Leigh Resources Corp. press release, February 2, 1998, 1 p., accessed March 6, 2014, at http://www.siliconinvestor.com/readmsgs.aspx?subjectid=12846&msgnum=35&batchsize=10&batchtype=Previous.
Lum, J.A., and Calicutt, W.W., 1989, Opportunities for U.S. industry in gold developments of Papua New Guinea, the Solomon Islands, Vanuatu and Fiji: Honolulu, Hawaii, U.S. Trade and Development Program, Minerals Policy Program East West Center, 391 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/.
United Nations, 1985, Atlas of mineral resources of the ESCAP region—Solomon Islands: New York, United Nations Economic and Social Commission for Asia and the Pacific (ESCAP), v. 2, 35 p., 2 sheets.