Illite from Caraga Region, Mindanao, Philippines
Philippines | |
| Kolb, J. & Hagemann, St. (2009): Mineralium Deposita 44, 795-815. |
| David Braxton and Ryan Mathur (2011): Exploration Applications of Copper Isotopes in the Supergene Environment: A Case Study of the Bayugo Porphyry Copper-Gold Deposit, Southern Philippines. Economic Geology, 106, 1447-1463. |