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Philippines | |
| Oberthür, T., Melcher, F., & Weiser, T. W. (2017). Detrital Platinum-Group Minerals and Gold In Placers of Southeastern Samar Island, Philippines. The Canadian Mineralogist, 55(1), 45-62. |
| Fujii, N. (2020) Formation of Natural Silicate Hydrates by the Interaction of Alkaline Seepage and Sediments Derived from Serpentinized Ultramafic Rocks at Narra, Palawan, the Philippines. Minerals 10, 719. Shimbashi, M. Yokoyama, S. Watanabe, Y. Sato, T. Otake, T. Kikuchi, R. Yamakawa, M. |