| 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 |
| Country | Philippines |
|---|---|
| State or province | Agusan del Norte |
| Geographic location | 125.568, 9.172 |
| Geologic map unit | 125.568, 9.172 |
| Nearby data |
| 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 |
| Development status | Occurrence |
|---|---|
| Major commodities | Cu, Au |
| Gold-Moly ratio | -9999 |
| 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) |