 | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | 9 cm high, Tsumeb mine, Tsumeb, Otijikoto region, Namibia; Scott Rudolph specimen. Downloaded by [University...Prehnite and epidote, 7.6 cm wide, Djouga diggings, Bendougou, Arrondissement, Diako, Kayes region, Mali; Demetrius...6.2 cm high, Tsumeb mine, Tsumeb, Otjikoto region, Namibia; Scott Rudolph specimen. Figure 17. Metatorbernite...MINERALS Figure 19. Elbaite, 9.5 cm high, Mutala area, Alto Ligonha district, Zambezia Province, Mozambique;...high, Merelani Hills, Simanjiro district, Manyara region, Tanzania; Wayne Thompson specimen. Figure 21 |  | | Journal (issue) | | way out to the Gobobosebberge (Goboboseb Mountains) south of the Brandberg Mountai n, west of Uis. The Ras...including quartz (amethyst), prehnite, calcite, epidote, elc. Ras Greefs camp is located o n a very barren...10 cm. with 6 cm. Aquamarine Crystal, Erongo Mountains, Namibia. Author's collection. Stan Taylor photo...specimen is 5 cm., Ras Greeff Claim, Goboboseb Mountains, Namibia. Author's collection. Fig. 1: Ras Greeff...Greeff Claim, Goboboseb Mountains, Namibia. Author's photo. Fig. 5: Ras Greeff Claim, crystal cavity |  | | 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...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...the southern Atlantic Ocean opened and the coastal area was strongly uplifted to form the Serra Geral and |  | | Journal (issue) | | located on the slopes of the Lelatema Mountains in the Manyara Region, about 70 km southeast of the town...the Goboboseb Mountains, about 35 miles west of the town of Brandberg, Daures Constituency, Erongo Region...Region, Namibia. The occurrence was discovered in the early 1950s by Gawie Cloete, an assistant government...government livestock inspector. He returned to the area 30 years later, found a crystal-bearing horizon in...cm, from a 2019 find at Pedra Azul in the Medina area, Minas Gerais, Brazil. Will Johnson collection; |  | CURTIS, C. G., TRUMBULL, R. B., DE BEER, C. H., HARRIS, C., REID, D. L., ROMER, R. L. (2011) GEOCHEMISTRY OF THE EARLY CRETACEOUS KOEGEL FONTEIN ANOROGENIC IGNEOUS COMPLEX, SOUTH AFRICA. South African Journal of Geology, 114 (3) 353-378 doi:10.2113/gssajg.114.3-4.353 | Journal (article/letter/editorial) | | intrusive complexes in the Damaraland of northwest Namibia. Like the Damaraland granites, the Koegel Fontein...latter are prominent in the Damaraland of northwest-Namibia and have been extensively studied (e.g., Harris...formed during the early Cretaceous event south of Namibia, although dolerite dykes of that age (Figure 1)...Unlike the contemporary granitic complexes in Namibia, that of Koegel Fontein is only partly un-roofed...granites in the entire western portion of the map area (de Beer et al., 2002). Partly because its true |  | | Journal (issue) | | prospectors into wbat later were named the Weaver Mountains northeast of Yuma. They camped for the night at...crystals and botryoidal malachite in the Big Horn Mountains and azurite from near Tucson in 1855. Other explorers...Establishment in New York. The miner was still living in tbe area 28 years later when Edwin Over paid a visit to the...drusy quartz on chrysocolla from the Globe-Miami area; cuprite from the Southwest rnine; azurite and malachite...l 960s, a small band of young, dedicated Phoenix area mineral collectors from all walks of life came together |  | | Journal (issue) | | money. lnspired by promotional brochures touting "mountains füll of rich gold and silver ores, sulphurets...pounds. Painting Century Plant in the Big Bend area (1939) by Jerry Bywaters. Courtesy Amon Carter Museum...that railroads were being constructed through the area. George F. Kunz described a sky-blue celestine crystal...cutting coarse-grained reddish granites of the hilly region thereabouts, known geologically as the Llano Uplift... Fine topaz crystals continued to come from the area for most of the 20th century, many from fee-collecting |  | | Book | | .,,., ..,,.... w + ..... . ·. .... . - Namibia Zauberwelt edler Steine und Kristalle ooa Dieses...Erdgeschichte 8 Zur Geschichte des Bergbaus in Namibia 17 Der Brandberg und die Mineralfunde in seiner Umgebung...blaue Wunder vom Erongo - Auf Aquamarin-Jagd im Innern Namibias 72 Miarolen im Erongo-Granit- ein Eldorado...110 Auf Turmalinsuche in Namibia Die Demantoide von Tubussis in Zentral-Namibia 112 116 Sodalith von...bei Rössing l 19 Zeolithe vom Grootbergpaß in Namibia Kamphaugit-(Y) von der Rössing-Mine 120 124 126 |  | | Journal (article/letter/editorial) | | evidence for the origin of the Brandberg West area Sn–W vein deposits, NW Namibia Received: 3 June 2005 /...Springer-Verlag 2006 Abstract The Brandberg West region of NW Namibia is dominated by poly-deformed turbidites...hydrothermal quartz vein-hosted Sn–W mineralization at Brandberg West and numerous nearby smaller deposits. Fluid...quartz suggests that the ore-forming fluids at the Brandberg West mine were CO2-bearing aqueous fluids represented...(quartz–cassiterite), and 444–490°C (quartz–hematite). At Brandberg West, the oxygen isotope ratios of quartz veins |  | | Journal (article/letter/editorial) | | Etendeka Volcanism of the Goboboseb Mountains and Messum Igneous Complex, Namibia. Part II: Voluminous Quartz...REVISED TYPESCRIPT ACCEPTED JULY 30, 1997 The Goboboseb–Messum volcanic centre is the source of two voluminous...voluminous silicic eruptive sequences, the Goboboseb quartz latites (Units I–III), and the Springbok quartz...Parana´ suggests eruptive volumes of ~2320 km3 (Goboboseb units) and 6340 km3 (Springbok unit). The latter...the assemblages changing progressively from the Goboboseb unit through to the Springbok unit. Although pyroxene |  | | Journal (issue) | | Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection; Jordan Root photo...cleavelandite, 4.3 cm, from Stak Nala, Haramosh Mountains, Skardu district, Gilgit-Baltistan, Pakistan....(“the MAD Group”), formed in 1979, and the Houston Area Mineralogical Society (“the HAMS Group”), formed...collecting group with the same focus as the Houston area group. The dealer community serving advanced mineral...held by private individuals in any geographical area in the Western Hemisphere and probably the world |  | | Journal (issue) | | stone" (a kind of "picture rock" from the Florence area) and other materials suitable for lapidary work...volcano-sedimentary sequences in the southern Alpine area and Sardinia. (3) volcanic rocks of Perrnian and...and Jurassic ages in the southern Alpine area of the northeast. (4) a great number of metalliferous deposits...collectors climbing rocks exploring for epidote in the famous Val di Viu area, western Alps. Marco Lorenzoni photo...Ca' Bernardi and Perticara mines in the Marches Region, and the sphalerite, chalcopyrite and various rare |  | | Journal (issue) | | Articles Famous mineral localities: The Erongo Mountains, Namibia . . . . . . . . . . . . . . . . . . ....cm, with schorl and feldspar, from the Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross...on the mineralogical treasures of the Erongo Mountains in Namibia. Uli’s financial support made possible...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals...try to bring an example of a wine from their local area as a treat, but quite often the gesture would be |  | | Journal (article/letter/editorial) | | contemporaneous to MA the Damaraland complexes of NW Namibia (e.g. Trumbull et al., 2004; Wigand et al., 2004)...described in PT E proportion of D same age in NW Namibia (Harris, 1995), it is distinct because it contains...the contemporary Parana-Etendeka province of NW Namibia (e.g. O’Connor and Duncan, 1990; O’Connor and le...intrusive complexes in the Damaraland of northwest Namibia. Apart from alkali basalts dykes (Curtis et al...(Fig. 2d). Rare narrow veins (5 mm in width) of epidote and quartz are present. On the basis of geochemical |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...is not common in the metasedimentary rocks of the area which host these species, but "reasonably good"... r ILMENITE QUEBEC Girardville, Lac Saint-Jean area. Just northwest of the town of Girardville, itself...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing...clefts are found fairly commonly throughout this region, such that only a handful of notable finds during |  | | Book | | Republic, 6 cm). Figure 1.2 Halite crystals (Namibia, 5.8 cm). 6 section devoted to the display of...in groups 8–12, show marked deviation. In this region of the Periodic Table, electronegativity increases...bonded substances, the electrons are confined to the region between the nuclei of the bonded atoms and they...Fluorite showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure...(left, 6 cm) and grossular garnet (both from Kayes region, Mali); (C) grossular (Jeffrey mine, Canada, 5 |  | | Book | | REPUBLIC OF NAMIBIA - MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY THE MINERAL RESOURCES OF NAMIBIA FIRST...ENERGY Of the several hundred minerals present in Namibia, around sixty have been exploited. some, such as...base metals and industrial minerals have helped Namibia rank amongst the top five mining countries in Africa...terms of production and reserves. In this context, Namibia is a major producer of copper, lead, zinc, cadmium...unpublished. It is evident that mineral exploration in Namibia, as elsewhere. has changed from serendipitous discoveries | | | Book | | Republic, 6 cm). 6 by Figure 1.2 Halite crystals (Namibia, 5.8 cm). section devoted to the display of such...in groups 8-12, show marked deviation. In this region of the Periodic Table, electronegativity increases...substances, the electrons are confined to the region between the nuclei of the bonded atoms and they...Fluorite showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure...(left, 6 cm) and grossular garnet (both from Kayes region, Mali); (C) grossular (Jeffrey mine, Canada, 5 |  | | Journal (issue) | | 5 cm. Rudnaya mine, Saranovskoye deposit, Perm' region, Urals, Russia. Specimen: Nazarovs. Photo: Michael...Kukisvumchorr Deposit (vol. 7), Kerch (vol. 8), Ilmeny Mountains (vol. 9), Volodarsk—Volynskii (vol. 12), Ural... 1969). The NNE trending pluton of 20 x 7 km in area extending from the Upper Sanarka settlement to the...rocks (Ferschtater er al., 1994). The relief of the region is smooth and weakiy hilly (Figure 1). The pluton...pluton, 1. Typical retief of the Borisovskiy pluton area, Photo: S.. Kolisnechenko, 2012. 14 which was |  | | 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 |  | | Journal (article/letter/editorial) | | high temperature low pressure metamorphism in the region (the Hiltaba event; Betts and Giles, 2006; Betts...ratio (ratio of diameter of circle with equivalent area and mean thickness) is up to ∼1:250 (Table 2). All...fiammebearing, layered Microcrystalline Outcrop area and volume are calculated by interpolation of outcrops... Aspect ratio: diameter of circle of equivalent area/average thickness. Eu- to sub-hedral Sub- to eu-hedral...aggregates, 0.5–1 mm in size, associated with epidote and minor, fluorite, chlorite and titanite (“late” |  | | Catalog/List | | is native to the warm seas of the Indo-Pacific region and known traditionally to the Pacific Islanders...Kop Daglari, Erzurum Province, Eastern Anatolia Region, Turkey It is truly unfortunate that fine Kammererite...online, visit HA.com/6042 49022 AMETHYST Las Vigas Region, Veracruz, Mexico The mountainous interior of the...SMOKY) Goboboseb Mountains, Brandberg area, Brandberg District, Erongo Region, Namibia The Goboboseb locality...WATER BUBBLES Goboboseb Mountains, Brandberg area, Brandberg District, Erongo Region, Namibia The drive to |  | | Journal (issue) | | Moore COVER: FLUORITE, 4.3 cm, from the Valdelmar area of the La Cabaña zone at Berbes. Will Johnson collection...Chris Coy (2023) SPONSORING ORGANIZATIONS Houston Area Mineral Society (HAMS) (2009–2024) Mineralogical...the collectors and dealers in the entire Tri-State area. A typical weekend was spent driving their Mercury...Ruslan Adamovsky, who was living in the Rockaway area of New York. Ruslan was an intriguing character...diverse landscape of flatlands, canyons, and mountains. Within its borders are parts of both the Sierra |
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Tafelkop, Goboboseb Mountains, Brandberg Area, Dâures Constituency, Erongo Region, Namibia