Group of four prospects within 2 km of each other in the Masara District. Location is for Theresa. (1) Theresa: Cu prospect associated with quartz diorite. Chalcopyrite, bornite. (2) Kanarubi Cu prospect. (3) Maco gold mine: exploration project west of Philippine Fault; Miocene diorite and quartz diorite and late Miocene to Pliocene diorite and andesitic plugs and dikes. Quartz sulfide porphyry copper stockworks in mid-Miocene diorite. (4) Panurao: porphyry copper-gold deposit mined in 19621971. Landslide in 1972 led to mine closure. INCO reported mined 200,000 t of ore at 0.8% Cu and 7g/t Au. May be open at depth.
Study area name
East and Southeast Asia
Crew Gold (2010); Philippines Mines and Geosciences Bureau (written commun., 2004); Philippine Mining Development Corp. (2010)
Hammarstrom and others (2014)
Crew Gold, 2010, Maco project: Crew Gold Web page accessed September 15, 2010, at http://www.crewdev.com/ops_maco.php#. [Web page no longer available.]