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Egypt | |
| Sallam, O. R., Alshami, A. S., Azab, M. S., & El Akeed, I. A. (2014) The Occurrence of Silver-Gold Mineralization Associated With Uranium Bearing Minerals and Base Metal Sulphide, El Sheikh Soliman Area, South Sinai, Egypt. Egyptian Journal of Pure and Applied Science 52(1):47-54 |
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Namibia | |
| Mineralogical Society of America - Handbook of Mineralogy |
Tsumeb Mine, Tsumeb, Oshikoto Region, Namibia