 | | Report (issue) | | SURVEY NAMIBIA 1990 Open File Report MRS 12 2 Abstract Niobium-tantalum mineralisation in Namibia occurs...by-products of Tin-mining operations in central Namibia (Uis, Nainais, De Rust). Prominent niobium-tantalum...pegmatites occur in the Tantalite Valley in southern Namibia and have been mined for a long time on a small...2.2.3.7 Pistelwitz pegmatites 2.2.4 Sandamap - Erongo pegmatite belt 2.2.4.1 Gossow pegmatites 2.2.4...4.5 Davib pegmatites 2.2 4.6 Davib West pegmatites 2.2.4.7 Pietershill pegmatites 2.2.4.8 Davib South |  | | Journal (article/letter/editorial) | | location of Karibib in Namibia; prepared by William Besse. Figure 2. The Rubicon pegmatite mine, the largest...largest source of lithium in Namibia (see fig. 5 for location). This is a lithium-cesium-tantalum (LCT)...primarily for lithium, extracted from petalite, amblygonite, pollucite, and lepidolite, and was also exploited...Cairncross photo (September 2014). Karibibite Karibib District, Namibia 174 ROCKS & MINERALS Figure 3. Karibibite...Karibibite on quartz from the Oumlil mine, Bou Azzer district in Morocco; field of view is 2.5 mm. Stephan |  | Keller, Paul, Roda Robles, Encarnación, Pesquera Pérez, Alfonso, Fontan, François (1999) Chemistry, paragenesis and significance of tourmaline in pegmatites of the Southern Tin Belt, central Namibia. Chemical Geology, 158 (3) 203-225 doi:10.1016/s0009-2541(99)00045-5 | Journal (article/letter/editorial) | | in pegmatites of the Southern Tin Belt, central Namibia Paul Keller a , Encarnacion ´ Roda Robles b,) ...distinct belts within the Damara orogen of central Namibia. Many of the pegmatites have been mined extensively...Granitic pegmatites; Mineral chemistry; Central Namibia 1. Introduction The importance of tourmaline for...pegmatites from the Southern Tin belt of central Namibia, examining the petrographic characteristics and...Geology of the pegmatites The geology of central Namibia is dominated by metasedimentary and igneous rocks |  | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA I 1990 Open File Report MRS 05 2 Abstract A...wide variety of semi-precious stones occur in Namibia, namely amazonite, the beryl varieties, chrysocolla...the most important semi-precious stones found in Namibia. The major deposits of these semi-precious stones...Introduction Since the German colonial period Namibia has been well known for the occurrence of semiprecious...throughout Namibia. 1. AMAZONITE The most important occurrences of amazonite in Namibia are those in |  | | 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...important assignment at the Shinkolobwe uranium mine. His supervisor was Johannes Vaes (1902–1978). Gilbert...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals |  | | 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...s Onganja Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Journal (article/letter/editorial) | | 358.18(4) Å3, P21/a, and Z = 4, from the Sauberg mine, Morgenröther Zug, Ehrenfriedersdorf, Germany, have...Myanmar; Yichung, China; Brazil; and probably Erongo, Namibia. The pegmatites at Ehrenfriedersdorf, Germany...00/DOI: 10.2138/am.2008.2943 minerals found in the region of the Mogok Stone Tract has led to further visits...beryl, topaz, scheelite, cassiterite, danburite, amblygonite, and fluorite) and marble-hosted spinels that...herderite specimen from the type locality in an Sn mine associated with greisen and late Variscan granites |  | | 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 |  | | Journal (article/letter/editorial) | | (in %): 1960 output Nb 98.5 Ta N Placers 1.2 61 Pegmatites 0.1 39 Granites 0.2 N Carbonatites...Intermediate (Sui-chung), Soniana, Sangua Sandemap, Davib, Tabba-tabba Devil's Hole, Bigger R., Meyer's...Kabba Erongo, Sandemap, Davib S., Omaruru Antsakoa, Inner Yellowknife-Beaulieu Gossow's Davib Intermediate...Andriamena (red biotite). Zinnwaldite occursin the Erongo Schluchtand at Morefield,lepidoliteat Friihbus...Phosphates Zircon Rutile Garnet Sulfides Amblygonite Spodumene Thorium Minerals Siderite Garnet |  | | Journal (issue) | | 1942, 49, 25-29. Effect of Storage on Yields of Farm Seed Treated for Disease Control. By ]?. Koehler...1 2-216. Control of Insects Attacking Grain in Farm Storage. By R. T. Cotton. Frms'. Bull. No: 1 8 1...Printing Office, 1 942.) Wheat Storage in Experimental Farm-Type Bins. By C. F. Kelly, B. M. Stahl, S. C. Salmon... E. H. O'Brien. Emp. f. Exp. • Agric., 1942, 10, 61-76. . . Increasing the Crops from Ceylon Rubber Estates...determination of utilisable gas produced from fibrous farm wastes. Livestock and Animal Products . Proceeding� |  | | Book | | Company Mine Hyde Park, Lamoille Co. , Vermont Copper Mine Locality Milton, Vermont Parrot Jasper Mine Reading...Reading, Windsor Co., Vermont Reading Talc Mine Saxtons River, Vermont Davis Soapstone Quarry South Newfane...Hampshire Parker Mt. Mine Conway, New Hampshire Hurricane Mt. Grafton, New Hampshire Ruggles Mine Newport, New...Mills Mine North Conway, New Hampshire Lovejoy Gravel Pit North Groton, New Hampshire Fletcher Mine Palermo...Palermo Mine Rice Mine Valencia Mine South Acworth, New Hampshire Beryl Mt. Mine Wakefield, New Hampshire |  | | Report (issue) | | Yellow: Heliodor and Golden Beryl Michael Wise Page 61 The Mysterious Golden Water of Tajikistan Dmitriy...crystal weighed 455 kilograms. 2m: The Queen Anne mine in Zimbabwe has produced crystals up to 2 meters...systems, such as the complex type (lepidolite, amblygonite, elbaite and danburite subtypes) beryl can be...surprise. In 1997, Gary and Mary Freeman began to mine the Orchard pit, a then insignificant pegmatite...nothing more of interest seemed to come out of the region until November 2002, when people from around Mandrosonoro |  | | Journal (issue) | | Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection; Jordan Root photo...row, from left: Euclase, 2.3 cm, from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department...Budd photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection;...Fluorite on quartz, 13 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. The...Spodumene (variety kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler |  | | Report (issue) | | elbaite crystals with lepidolite from the Golconda Mine in Minas Gerais, Brazil by Eberhard Equit, 1993...circa 1910 view of the old mine portal on the north side of the Himalaya Mine in San Diego County, CA....suspicion is, at present, unfounded. The Bower Powers Farm in Pierrepont, New York has been the source of fine...the Sludyanka complex in the southern Lake Baikal region of Russia. Six New Species Today, this team has...An 11 cm tall elbaite group from the Pederneira Mine in Minas Gerais, Brazil. The bottom of the group |  | | Book | | was a site on what was known in 1887 as the Yale Farm, about two miles northeast of the town of Litchfield...localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the |  | | Book | | K(U02)As04*3H20, Tet. Vitreous yellow. Fuemrole mine, Temple Mt., Emery Co., Utah, USA. H= 2-3, Djjj=...D(.= 1.15, IXA 03. Srebrodol’skh, 1975. Am. Min. 61 (1976), 338 (Abst.). Achavalite, FeSe, @ Hex. Metallic...Friedel, 1866. Acta Cryst. B34 (1978), 715. Am. Min. 61 (1976), 979. See also Eveite, Olivenite, Paradamite...grey, bluish-grey, yellow, light green. Langban mine, Filipstad (near), Varmland, Sweden. H= 5, Djjj=3...5As30ig, E Rhom. Translucent blue-green. Terres mine, St. Ausdell, Cornwall, England and/or Johanngeorgenstadt |  | | Book | | 1000° Mots inc. Native Gold on Quartz, Paymaster mine, South Porcupine, Ontario / Photo by Brian Boyle...Marquis imprimeur inc. Barite on Quartz, Rock Candy mine, Grand Forks, British Columbia / Photo by Ken Mayer...Mayer Publisher Pyromorphite, Society Girl mine, Moyie, British Columbia / Photo by Ken Mayer Mineralogical... Ontario Canada Diopside on Grossular, Jeffrey mine, Asbestos, Quebec / Photo by Jeffrey A. Scovil...gon-ya, to give birth, beget Gk. gonios, angle, amblygonite, orthogonal ghlo-ro, to shine, yellow Gk. chloros |  | | Journal (issue) | | 167 RESEARCH ON GEM FELDSPAR FROM THE SHIGATSE REGION OF TIBET RESEARCH TRACK POSTER SESSION 1 Ahmadjan...SUMMER 2011 87 PHOTOMONTAGE Right: Pala Chief mine owner Bob Dawson (blue shirt) shows the former location...courtesy of Gene Meieran. FIELD TRIPS Above: Stewart mine owner Blue Sheppard ( far left) takes guests underground;...Mark Mauthner explains the geology of the Oceanview mine. Far left: John Chapman ponders a photo of a crystal...left: Rob Ayotte studies a sample from the Stewart mine; Abhay Mehta admires the Balboa Park Carousel egg |  | | Journal (volume) | | of Szeged On the cover: Map of the Carpathian region with type localities of new mineral species, rocks............................319 EM61 Mineralogy of mine wastes and contaminated soil......................History of mineralogy: The role of the Carpathian region in the 18th century..............................early tephra with SiO2 concentrations of 49-51%, 60-61% and 6970% that illustrates a mechanical magma mingling...investigation of redox processes. For Fe, the pre-edge region provides an almost direct way of quantifying the |
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