Star Mount Nong River

Porphyry copper deposit in Western, Papua New Guinea

Names and other identifiers

GMRAP ID 540
Alternate names Nong River, Star Mountains Nong River
Tract name Eastern Medial New Guinea Magmatic Belt, sub-tract a (009pCu7203a)
Site status deposit

Geographic location

Country Papua New Guinea
State or province Western
Geographic location 141.216667, -5.016667
Geologic map unit 141.216667, -5.016667
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Pliocene
Age reference Singer and others (2008)
Minerals actinolite, biotite, bornite, calcite, chalcopyrite, chlorite, clay minerals, covellite, epidote, galena, garnet, magnetite, pyrite, pyrrhotite, sericite, zeolite
Associated rocks breccia, diorite, diorite porphyry, monzonite, quartz diorite, quartz diorite porphyry, quartz monzodiorite porphyry, skarn, andesite, andesite porphyry, agglomerate, limestone, quartzite, sandstone, siltstone
Tectonic setting postconvergence
Stratigraphic age Pliocene

Commodity and development information

Development status Prospect
Major commodities Cu
Tonnage (Mt) 60Mt
Cu grade (%) 0.5%
Contained copper 300,000t
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)