- Cordillera Administrative Region
| Econ Geol (1996) 91:243-272 Afifi, Abdulkader M., Kelly, William C., Essene, Eric J. (1988) Phase relations among tellurides, sulfides, and oxides; Pt. II, Applications to telluride-bearing ore deposits. Economic Geology, 83 (2) 395-404 doi:10.2113/gsecongeo.83.2.395 South-East Asian Oil, Gas, Coal, and Mineral Deposits, C. Hutchison,1996 |