Agata Group

Porphyry copper prospect in Agusan del Norte, Philippines

Names and other identifiers

GMRAP ID 7000
Alternate names Agata Extension Copper/Gold Project
Tract name Philippine Arc (142pCu7309)
Included sites Agata North, Agata South American Tunnels porphyry areas
Site status prospect

Geographic location

Country Philippines
State or province Agusan del Norte
Geographic location 125.568, 9.172
Geologic map unit 125.568, 9.172
Nearby data

Geologic information

Deposit type Porphyry copper
Age determination method Geologic inference
Age range Neogene
Age reference geologic inference
Minerals bornite, chalcopyrite, covellite
Associated rocks syenite, quartz monzonite, monzodiorite, diorite, ultramafic rocks
Tectonic setting island arc
Stratigraphic age Neogene

Commodity and development information

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

Reference information

Comments Cluster of porphyry copper-gold prospects. Artisinal mining of high-grade copper ore from six shafts and tunnels. Multiphase syenite, quartz monzonite. Monzodiorite, diorite intrusions as dikes, sills, and small stocks intruding ultramafic rocks. Potassic, phyllic alteration. Intersections of Philippine Fault splays and cross-cutting faults. Epithermal gold mined at American Tunnels; younger epithermal gold cuts older porphyry-related alteration. Late phyllic and skarn overprint early potassic alteration. Note that there is an Agata nickel laterite deposit nearby.
Study area name East and Southeast Asia
References Mindoro Resources Ltd. (2010c); Rohrlach (2005)
Site reference Hammarstrom and others (2014)