Porphyry copper prospect in Maluku Utara, Indonesia

Names and other identifiers

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

Geographic location

Country Indonesia
State or province Maluku Utara
Geographic location 127.677, 1.137
Geologic map unit 127.677, 1.137
Nearby data

Geologic information

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

Commodity and development information

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

Reference information

Comments Low-grade porphyry Cu-Au center of mineralization associated with porphyritic quartz diorite 2.5 km WNW of the Gosowong epithermal deposit in the Gosowong district (reportedly subeconomic). Bora less than 0.5 km west of Toboba.
Study area name Southeast Asia and Melanesia
References Carlile and others (1998); Gemmell (2007)
Site reference Hammarstrom and others (2013)