Hidden Valley

Porphyry copper prospect in Guadalcanal, Solomon Islands

Names and other identifiers

GMRAP ID 555
Tract name Outer Melanesian Arc II - Melanesia Area (009pCu7210)
Site status prospect

Geographic location

Country Solomon Islands
State or province Guadalcanal
Geographic location 159.733333, -9.366667
Geologic map unit 159.733333, -9.366667
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Pliocene–Pleistocene; Miocene–Pliocene
Age reference Singer and others (2008)
Minerals barite, biotite, chalcocite, chalcopyrite, covellite, epidote, hematite, limonite, magnetite, psilomelane, pyrite, sphalerite
Associated rocks diorite porphyry, andesite
Tectonic setting island arc
Stratigraphic age Pliocene–Pleistocene; Miocene–Pliocene

Commodity and development information

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

Reference information

Comments Veins, shears, disseminations.
Study area name Southeast Asia and Melanesia
References United Nations (1985); Singer and others (2008)
Site reference Hammarstrom and others (2013)
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.