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Philippines | |
| Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155 |
| Fournelle, J., Carmody, R., & Daag, A. S. (1996). Anhydrite-bearing pumices from the June 15, 1991, eruption of Mount Pinatubo: geochemistry, mineralogy, and petrology. Fire and Mud: Eruptions and Lahars of Mount Pinatubo, Philippines, 845-862. |
| Singer, D.A., Berger, V.I., Moring, B.C. (2008) Porphyry copper deposits of the world: Database and grade and tonnage models, 2008. Open-File Report 2008-1155 |