 | | Book | | Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree ...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Book | | triangular agate, polygonal umgrentzte Achate (Ger.), pegmatite agates, quasicrystals, angle-plated quartz, Zwickelfülling...seen in aragonite (light and dark orange). (A þ D) Region A exhibiting polycrystalline calcite within the...calcite overgrowth crystal in the inset. (B þ E) Region B with a crack running through the crystal with...observed in the outer parts of the fracture. (C þ F) Region C shows calcite crystals (light blue color) extending...orientation of the reaction front in that particular region. The crystallographic directionality of the apatite |  | | Book | | VULCANICITY AND CONTINENTAL EVOLUTION IN THE BARBERTON REGION, TRANSVAAL 27 M. J. Viljoen and R. P. Viljoen... particularly the Ivory Coast, the Upper Volta region, Mali, Senegal, Mauritania and, perhaps, southern...ages of 1850-2050 m.y. have been obtained for pegmatite minerals (Cahen, 1961, p. 546; Cahen and Snelling...Orogenic Episode is older than 1900+ 100 my. The region of the largely metasedimentary Buganda-Toro sequence...Kasai region, a belt of folding affects the Lukoshi Formation (Fig. 2); muscovite from a pegmatite cutting |  | | Journal (volume) | | Mn-rich naujakasite, manganonaujakasite, in a pegmatite from the Lovozero complex of the Kola Peninsula...surprise that rinkite-looking crystals in a naujaite pegmatite were found to be hiortdahlite (the paper by E...zone Aegirine lujavrite Kakortokite and marginal pegmatite Naujaite Sodalite foyaite Naajakasik Søndre Siorarsuit...rated from the augite syenite rim by a marginal pegmatite zone (cf. Bohse et al. 1971; Bohse & Andersen...Contact-metasomatised volcanic rocks Contact pegmatite Hydrothermal veins 11 Fig. 5. The lowermost |  | | Book (chapter) | | triangular agate, polygonal umgrentzte Achate (Ger.), pegmatite agates, quasicrystals, angle-plated quartz, Zwickelfülling...seen in aragonite (light and dark orange). (A þ D) Region A exhibiting polycrystalline calcite within the...calcite overgrowth crystal in the inset. (B þ E) Region B with a crack running through the crystal with...observed in the outer parts of the fracture. (C þ F) Region C shows calcite crystals (light blue color) extending...orientation of the reaction front in that particular region. The crystallographic directionality of the apatite |
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