 | | Journal (article/letter/editorial) | | University] at 22:02 07 January 2015 Goboboseb Mountains Brandberg Region, Namibia BRUCE CAIRNCROSS Department...collected in the past few decades in the Brandberg region, Namibia. Excellent quartz specimens display a...forms that add to the appeal of specimens from the area. The quartz is well known for its luster, clarity...interest in the minerals of Namibia, particularly from Erongo and the Brandberg region. 442 ROCKS & MINERALS...2001). The Brandberg Mountain is no exception. It is an imposing feature in central Namibia where it is |  | Keiding, Jakob K., Frei, Oliver, Renno, Axel D., Veksler, Ilya V., Trumbull, Robert B. (2013) Conditions of magma crystallization in the Henties Bay-Outjo dyke swarm, Namibia: Implications for the feeder system of continental flood basalts. Lithos, 179. 16-27 doi:10.1016/j.lithos.2013.07.018 | Journal (article/letter/editorial) | | crystallization in the Henties Bay-Outjo dyke swarm, Namibia: Implications for the feeder system of continental...Available online 1 August 2013 Keywords: Etendeka Namibia Thermobarometry Magma plumbing Dyke swarm a b...t The Henties Bay-Outjo dyke swarm (HOD) in NW Namibia presents a well-exposed example of the magma feeder...highest temperatures (N1300 °C) are in a specific region of the HOD near the litho-tectonic boundary of...and evolution in the Etendeka CFB Province of Namibia based on mineral– melt equilibrium thermobarometry |  | | Report (issue) | | variety amethyst, 10.5 cm tall Goboboseb Mountains, Erongo Region, Namibia Scott Rudolph collection, Jeff...important amethyst source emerged in the Auvergne region in south-central France, approximately corresponding...Scovil photo Upper right: Amethyst, moonstone and chalcedony circa 1910 British "suffragette" brooch; Tadema...scepters Onyang, South Korea Nekemte, Ethiopia Brandberg, Namibia Cavities in iron-skams up to and exceeding...drinking water reservoirs in the world, covers an area of about 1 million square kilometers. During the |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 . :~~..,-::__ ::...,.;_...Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...The Central Escarpment- The Nauchas-Gamsberg-Hakos Area West and South of Rehoboth The Central and South-CentralDeposits...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275 |  | Trumbull, R. B., Reid, D. L., de Beer, C., van Acken, D., Romer, R. L. (2007) Magmatism and continental breakup at the west margin of southern Africa: A geochemical comparison of dolerite dikes from northwestern Namibia and the Western Cape. South African Journal of Geology, 110 (2) 477-502 doi:10.2113/gssajg.110.2-3.477 | Journal (article/letter/editorial) | | comparison of dolerite dikes from northwestern Namibia and the Western Cape Robert B. Trumbull GeoForschungsZentrum...volcanic margin of southern Africa from northwestern Namibia to the Cape Peninsula. These dikes are under study...(HOD) in the high magma-flux Etendeka Province of Namibia, and the False Bay dike swarm from the low-flux...asthenospheric sources. The dolerites from the HOD swarm in Namibia are mainly low-Ti tholeiites like their counterparts...rise in MgO contents of dikes in northwestern Namibia (maximum 8 weight % MgO for False Bay versus 16 |  | | Journal (issue) | | some localities in the copper, lead, barite mining area in the hills to the south-east of Pontesbury. The...our parking lot just 50 yards from the collecting area - what service! Geologically, this roadstone quarry...from the Copper Valley mine, Mesopotamia 504, Namibia, consisting of small but very aesthetic blue-green...tuperssuatsiaite from the Aris quarry, South Windhoek, Namibia, both showing exquisite tufts of very dark green...given the need to get it back in one piece from Namibia. Nick Hawes Class 3. A display of British minerals |  | | Journal (issue) | | (Continues on page 2) Heulandite, Apophyllite and Chalcedony Pseudoinorphs after Pectolite Bradley D. Plotldn...a basalt. I also saw some amethyst from Brandberg in Namibia -you may think ·'so what, kiddo", but I...amethyst and unusual quartz specimens labeled "Brandberg" have been known at least since 1936 (Schneider...from near Tafelkop in the Goboseb Mountains. Brandberg is a granite intrusion, Goboseb Mountains carry basalt...years "Brandberg" has been code for "Goboseb" but amethyst has really been found in Brandberg; a couple |  | | Journal (issue) | | over rough terrain in three 4 x 4 vehicles in Namibia in July. We slept above the ground on camp beds.................................. LANZAROTE TO NAMIBIA: Olivine to Shattuckite Plus our advert appeared...were organised , one to Lanzarote the other to Namibia in south-west Africa. Lanzarote is well known to...world: Hungary, Romania, France, Russia, India, Namibia, Madagascar and China... not to mention specialists...the Ministry of Mines and Energy in Windhoek, Namibia and apart from studying or working in Cuba, Czechoslavakia |  | | Book | | mineral and lapidary society located in a mineral-poor area. However, this book reflects the very successful...Goanikontes Claim, Araandis, Swakopmund District, Erongo Region, Namibia. Photo: John Hall CALCITE, 15mm crystal...many overseas field trips; to Europe, Siberia, Namibia, the USA & Canada and the Faroe Islands. Practical...olivine, 'leopard ore' (8cm across). Troodos mountains, Cyprus. I must have visited the island about...mine, Northern Macedonia. A site in a sensitive area close to the Kosovo border. I was studying the arsenic |  | | Catalog/List | | on the button marked “Place Absentee Bid.” A new area on the same page will open up for you to enter your...of the world’s wild sheep. Living in the Bamou Mountains of Iran it is lightly hunted. This mount is a...Urial. This cross occurs naturally in the Alborz Mountains of northern Iran and in the Kavir Desert of north-central...Hemitragus jemlahicus Living in the Himalayan Mountains of Nepal, the tahr can demonstrate remarkable...Greater Kudu, this species lives in the Eastern Cape region of South Africa and tends to be brighter in color |  | | Catalog/List | | CATHEDRAL – MATCHED PAIR Rio Grande do Sul, South Region, Brazil This organically shaped Amethyst geode... 38004 AMETHYST & FELDSPAR Brandberg District, Erongo Region, Namibia The size as well as the presence...the ‘True’ Brandberg and as such, is considerably rarer than Amethyst from nearby Tafelkop, commonly referred...referred to as “Brandberg Amethyst’. The colorless Quartz prisms gradually become violet and finally...another tipoff that this piece is not from the Tafelkop. There are occasional green ‘phantom’ inclusions |  | | Journal (article/letter/editorial) | | points within, as it must also be found beyond, the area thus arbitrarily limited, which certainly covers...northern point of Swaziland, through the T~felkop mountains, thence N. through Lydenburg and along the 0righstad...Drakensberg mountains, to near Spitzkop, and thence back to its starting-point on the border-mountains of Swaziland...Journ. Soc. Arts, vol. xxxii. 1884, p. 609.) This area extends over about 1~ degree of latitude (24 ~ 35'...and De Kaap goldfields, between Swaziland, the Tafelkop, and the junction of the Blyde and Orighstad rivers |  | | Catalog/List | | They are the Directors of this new and exciting area, having served as consultants in this arena for...49002 CITRINE GEODE PAIR Rio Grande do Sul, South Region, Brazil Citrine is one of the more desirable forms...CALCITE SPECIMENS Sterling Hill Mine and Franklin area, Sussex Co., New Jersey Willemite and Calcite are...Willemite is an abundant ore mineral in the Franklin area mines, sizable Willemite crystals are extremely...close to the Arctic Circle, but the most productive area has been Greenland. It was first found there in |  | | Book (edition) | | only about distance from a better known town in the area but also about the administrative regional units...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...are as follows: Mt. (mount or mountain), Mts. (mountains), R. (river), Is. (island), Vole. (volcano), Penin...and Transylvania. Some names of towns or even mountains were either changed or written in another manner...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided |  | Gaines, Richard V., Skinner, H. Catherine W., Foord, Eugene E., Mason, Brian, Rosenzweig, Abraham, King, Vandall T. (1997) Dana's New Mineralogy (8th ed.) Wiley-Interscience. p.1872 | Book (edition) | | Huantaya(*), Chanarcillo(*), and Chanca, Chile; Tsumeb, Namibia. BM DI:96, R:313, P&J:71, ABI:475. 1.1.1.3 Copper...Broken Hill mine, Zambia; Onganja mining district, Namibia. Andacolla, near Coquimbo, and Chuquicamata, Chile;...nm); weakly anisotropic. Bolshoi Anyui R.., Kolyma region, Russia, in gold-bearing alluvium. sm MZ 11(4):88(1989)...VHNjo9 = 260. R = 55.3 (540 nm). Magnetic. Kumak region, Southern Ural Mts., Russia, in quartz veins with...VHNjo9 = 900. R = 58.8 (540 nm). Magnetic. Kumak region, Southern Ural Mts., Russia, in quartz veins with |  | | Report (issue) | | lying between the CascadeRange and the Rocky Mountains in southeast Washington, west-central Idaho, and...orgeBasaltin theJohnDay basin.BMU is theBlue Mountains HOOPER border which erupted about 17.0-16.5...Gorge (Figure 3). At the southend of the Pueblo Mountains, south of SteensMountain, the base of the Ste...the developmentand evaluationof models Wallowa Mountains and at Squaw Butte a few kilometers which attempt...Creek Basalt of Lewiston ............. R '' N MOUNTAINS wEISS EN I•'I•'•:S' RIDG EMEMBER BASALT R,T |  | | Book | | cause it has a meaning in more than one subject area, an abbreviated notation of the particular subject...an orthorhombic or triclinic crystal, ablation area The part of a glacier or snowfield in which, over...c below the equilibrium line. Cf: accumulation area. Syn: zone axis. of ablation. a axis [struc petrol]...solution breccia. ablation exceeds accumulation; the region which is the direction of maximum displacement...tion till, either overlying ice in the ablation area, or resting on abapertural Away from the aperture |  | | Book | | ordinary hyphen is not appropriate, eg e variable-area display mode: veranderlikeoppervlakte-afbeeldingsmodus...context indicator, appear in a specific contextual area in the Dictionary. In such cases the same context...regte) abandoned : verlate (bv delta) abandoned area : verlate gebied abandoned channel : verlate kanaal...ablasie (gletserkunde en geomorfologie) ablation area : ablasiegebied (aletserkunde) ablation breccia...accumulation : opgaring (bv van olie) accumulation area ese (gletserkunde) accumulation mountain (mountain |
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