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Sierra Leone | |
| Cabri, L. J., Oberthür, T., & Keays, R. R. (2022). Origin and depositional history of platinum-group minerals in placers–A critical review of facts and fiction. Ore Geology Reviews, 144, 104733. John F.W. Bowles, Hazel M. Prichard and Peter C.Fisher (2002) Platinum-group minerals (PGM) in the Freetown Complex, Sierra Leone. 9th Platinum symposium Applied Earth Science, Volume 110, Number 1, 2001 , pp. 45-58(14) |
| Bowles, J. F., Suárez, S., Prichard, H. M., & Fisher, P. C. (2018). The mineralogy, geochemistry and genesis of the alluvial platinum-group minerals of the Freetown Layered Complex, Sierra Leone. Mineralogical Magazine, 1-30. |