Porphyry copper prospect in Maluku Utara, Indonesia

Names and other identifiers

Alternate names Ngoali, Bora Group
Tract name Halmahera Arc, North Molucca Islands (142pCu7202)
Site status prospect

Geographic location

Country Indonesia
State or province Maluku Utara
Geographic location 127.69, 1.188
Geologic map unit 127.69, 1.188
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Pliocene
Age reference Gemmell (2007)
Associated rocks volcanic rocks
Tectonic setting island arc
Stratigraphic age Pliocene

Commodity and development information

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

Reference information

Comments Gosowong area. Porphyry stock within argillically-altered Miocene volcanics about 2 km due north of the Gosowong vein (reportedly subeconomic). Matat porphyry is located about 6 km NE of the Bora-Tobobo area; Ngoali is about 3 km NW of Matat.
Study area name Southeast Asia and Melanesia
References Gemmell (2007)
Site reference Hammarstrom and others (2013)