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Namibia | |
| von Bezing, Ludi (2007) Namibia - Minerals and Localities. Bode Verlag GmbH, Haltern. |
| Wall, F., Niku-Paavola, V.N., Storey, C., Müller, A. & Jeffries, T. (2008) Xenotime-(Y) from carbonatite dykes at Lofdal, Namibia: unusually low LREE:HREE ratio in carbonatite, and first dating of xenotime overgrowths in zircon. Canadian Mineralogist, 46, 861-877. Orris, Greta J., Grauch, Richard I. (2002) Rare Earth Element Mines, Deposits, and Occurrences. Open-File Report 2002-189. US Geological Survey doi:10.3133/ofr02189 |
- Mesopotamia copper valley
| Niedermayr, G.(2001): Mesopotamia 504 - die Typlokalität des Namibit. In: S. Jahn, O. Medenbach, G. Niedermayr, G. Schneider: Namibia - Zauberwelt edler Steine und Kristalle (1 Edition, in German), 97-99 |
| Albert, R. (2015) The Petrified Forest of Khorixas (Namibia). Steinkern.de. |
Mesopotamia 504 Farm, Mesopotamia copper valley, Khorixas, Kunene Region, Namibia