Star Mount Futik

Porphyry copper deposit in Western, Papua New Guinea

Names and other identifiers

GMRAP ID 541
Alternate names Futik, Star Mountains Futik, Mt. Olgal
Tract name Eastern Medial New Guinea Magmatic Belt, sub-tract a (009pCu7203a)
Group name Star Mount Futik
Included sites Mt. Olgal
Site status deposit

Geographic location

Country Papua New Guinea
State or province Western
Geographic location 141.333333, -5.066667
Geologic map unit 141.333333, -5.066667
Nearby data

Geologic information

Deposit type Porphyry copper
Age (Ma) 3.6Ma
Age determination method unknown
Age range 3.9–3.4 Ma
Age reference Singer and others (2008)
Minerals anhydrite/gypsum, biotite, bornite, chalcocite, chalcopyrite, chlorite, clay minerals, covellite, cuprite, epidote, garnet, hematite/specularite, magnetite, malachite, neotocite, pyrite, sericite, sulfur
Associated rocks andesite dike, breccia, diorite porphyry, quartz diorite porphyry, skarn, arkose, conglomerate, limestone, mudstone, quartzite, sandstone, siltstone
Tectonic setting postconvergence
Stratigraphic age Pliocene

Commodity and development information

Development status Prospect
Major commodities Cu
Tonnage (Mt) 65Mt
Cu grade (%) 0.54%
Au grade (g/t) 0.1g/t
Contained copper 350,000t
Gold-Moly ratio -9999

Reference information

Comments Small porphyry copper deposit about 25 km to the north of Ok Tedi along a NE-trending structural corridor. Past exploration.
Study area name Southeast Asia and Melanesia
References Arnold and Griffin (1978); Page (1975); Singer and others (2008)
Site reference Hammarstrom and others (2013)