Amphibole Supergroup from selected localities.
Namibia | |
| Blaß, G., Kolitsch, U., Tremmel, G., Esche, J. (2016): Neue Mineralienfunde aus den Phonolithbrüchen von Aris in Namibia. Mineralien-Welt 27 (4), 48-60 (in German); Kolitsch, U., Blaß, G., Jahn, S., Cámara, F., von Bezing, L., Wartha, R. R., Tremmel, G., Sturla, M., Cerea, P., Skebo, M. and Ciriotti, M. E. (2016): Aris - mineralogy of the famous alkaline phonolite. AMI - Associazione Micromineralogica Italiana, Cremona, Italy, 95 pp.; Koller F, Skoda R, Palfi A, Popp F, Jost B (2014) Paleogene phonolites of the Aris, Staalhart and Klinghardt groups, central and south Namibia, Africa. 21 st meeting of the International Mineralogical Association. p 194 |
Ferreira, C. A. M., Jacob, R. E., & Marsh, J. S. (1979). Base metal mineralization in alkaline pyroclastics—the Regenstein vent, South West Africa. Transactions of the Geological Society of South Africa, 82, 243-249. https://core.ac.uk/download/pdf/289223733.pdf Fitch, F. J., & Miller, J. A. (1984). Dating Karoo igneous rocks by the conventional K-Ar and 40Ar/39Ar age spectrum methods. In:Erlank, A.J. (ed.) Petrogenesis of the volcanic rocks of the Karoo Province. Geological Society of South Africa, Special Publication, 13, 247-266. Gevers, T. W. (1933). Alkali-rocks in the Auas Mountains, south of Windhoek, SWA. South African Journal of Geology, 36(1), 77-88. https://journals.co.za/doi/pdf/10.10520/AJA10120750_1737 Von Knorring, O., & Franke, W. (1987). A preliminary note on the mineralogy and geochemistry of the Aris phonolite, SWA/Namibia. Communications of the Geological Survey of SW Africa/Namibia, 3, 61. |
Aris Quarries, Aris, Windhoek Rural, Khomas Region, Namibia