 | | 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 (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 |  | | 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 |  | 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 |  | | 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 |  | | Catalog/List | | first offered for sale. 73007 TOURMALINE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam A classic Vietnamese...online, visit HA.com/6150 73008 ELBAITE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam This unusual...2015 | 12:00 PM CT 15 73009 ELBAITE Minh Tien Mine, Luc Yen, Yenbai Province, Vietnam Clearly defined...coloration, this is a classic Vietnamese Tourmaline. The region of Luc Yen has been yielding Tourmalines since...PYROMORPHITE Daoping Mine, Gongcheng Co., Guilin Prefecture, Guangxi Zhuang Autonomous Region, China Daoping |  | | 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 | | .,,., ..,,.... 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...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...Zeolithe vom Grootbergpaß in Namibia Kamphaugit-(Y) von der Rössing-Mine 120 124 126 136 Das Gahnit-Vorkommen |  | | Journal (article/letter/editorial) | | Types of Deposits: 1. Plutonic a. acid rocks: albite, riebeckite,and potashgranites b. intermediaterocks:...(in %): 1960 output Nb 98.5 Ta N Placers 1.2 61 Pegmatites 0.1 39 Granites 0.2 N Carbonatites...TANTALUM 383 3. fenitized meta-sediments:albitite, albite-garnetschists,sheridaniteschists, with a small...phonolite,ijolite, trachyte, aln6ite, dolerite, albite-calcite pegmatite 10. late silicification,quartz-fluorite...therefore difficult to distinguish between original albite and other albitizedfelspars. Potashgranitesin easternUgandaare |  | | Show/Event (guide) | | Frederick A. Canfield 4 4 Minerals from the Erongo Mountain, Namibia by Georg Gebhard 6 3 We warmly welcome...t i o n s on carrollite from the Kamoya South II mine, Democratic Republic of Congo byR. L. Mown 2:00...kulanite and phosphophyllite from the Palermo #1 mine, North Groton, New Hampshire bill. W Nizamoff R...Carrollite crystals f r o m the Kamoya South I I Mine, Katanga, DRC, have pronounced facial striations...(`1200 specimens). A s part of a new initiative to "mine" this resource for both educational and research |  | Ertl, Andreas, Kolitsch, Uwe, Dyar, M. Darby, Meyer, Hans-Peter, Rossman, George R., Henry, Darrell J., Prem, Markus, Ludwig, Thomas, Nasdala, Lutz, Lengauer, Christian L., Tillmanns, Ekkehart, Niedermayr, Gerhard (2016) Fluor-schorl, a new member of the tourmaline supergroup, and new data on schorl from the cotype localities. European Journal of Mineralogy, 28 (1) 163-177 doi:10.1127/ejm/2015/0027-2501 | Journal (article/letter/editorial) | | Norway, by Shirose & Uehara (2013) from the Kyushu Region, Japan, by Dixon et al. (2014) from British Columbia...(2014) from the miarolitic NYF Erongo Granite in the Erongo Complex of Namibia. In 2011 both the name and...variants of this name). This village had a nearby tin mine where, in addition to cassiterite, a lot of black...Zschorlau), from Ehrenfriedersdorf (SAU2, Sauberg Mine) and from Nejdek (NEUDEK). In addition, we characterize...hydrothermal phase includes zoisite, garnet, prehnite, albite, muscovite, talc, chlorite, chabazite, stilbite |  | | 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� |  | | Journal (article/letter/editorial) | | are a change in the pH of the surrounding fluid from 61 to more neutral and the presence of S in the pre-existing...quartz-hosted fluid inclusions from the Erongo granite, Namibia, showed that this process can be reversed...molybdenite), some SiO2 glass plus buffer minerals (e.g., albite, orthoclase, biotite, muscovite, topaz, bornite...inclusion assemblage in a quartz crystal from the Erongo granite was immersed for 22 days in the reconstructed...nm. Measurements were recorded in the spectral region between 200 and 4500 cm1 with an exposure time |  | | 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 |  | | Journal (issue) | | Rhodonite, 4.7 cm, from the 1700 level, Zinc Corporation mine, Broken Hill, New South Wales, Australia. Collection...collection, John Chapman photo. • 2.5 cm, Top Camp mine, Western Ausytralia. George Stacey collection, Jeff...Scovil photo. Middle row from left: • 2.3 cm, Kintore mine, Coolgardie, Western Australia. Aloe Family collection;...spent the rest of their lives there as miners and mine captains. Cornish tradition favored the collecting...build his mineral collection. His job at the Moonta mine was sampling ore for the company’s assay office |  | | 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...pegmatites, beryl is associated with quartz, microcline, albite, muscovite, biotite, ferrocolumbite, and phosphates...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 (article/letter/editorial) | | subhedral, twinned on some combination of the Cadsbad, albite or pericline laws, and is normally zoned within...in magnetiterich skarns, such as the Lost River Mine, Alaska (Desborough and Sainsbury, 1970) and the...greenish garnet and wollastonite from Arandis, Namibia. Shimazaki (1968) described the occurrence of tin-bearing...between limestone and massive skarn at the Tsumo Mine, Shimane Prefecture, Japan. Titanite commonly occurs...1974; Nekrasov, 1971 ), and the Stiepelmann mine, Namibia (Ramdohr, 1934), and from magnesian skarns as |  | | Journal (issue) | | Thirty-three, Number Four Articles Jeremejevite from Namibia . . . . . . . . . . . . . . . . . . . . . . . ...Johnston & E. R. Swoboda Sulfur from the Perticara mine area, Pesaro-Urbino, Italy . . . . . . . . . . ...Pezzotta Famous mineral localities: The Lord Brassy mine, Tasmania . . . . . . . . . . . . . . . . . . .... John Sinkankas (1915–2002) at the Pala Properties Mine Bash, 1977. Van Pelt photo. NOTICE Died, John Sinkankas...who in minerals: John Sinkankas.” Rocks & Minerals, 61 (1), 28–31; and D. Leicht (1971) “Personality sketch: |  | | Journal (article/letter/editorial) | | and again by Miyazawa (1940, p. 16) from the Iwato mine, Miyazaki Prefecture, Japan. These assemblages Cassiterite...here be postulated:it is presumablyincompatible mine, SouthwestJapan, but I do not know if this with...Brogger, 1890, p. 64 analcite, etc. Stiepelmann mine, Arandis, South West Africa Metasomatic tin deposit...q- calcite. Uchkoshkondeposit, SarydzhazRiver region, E. Kirgizia (Central Asia) USSR Skarn-hydrothermal...Associatedtopaz, tremolite, arsenopyrite. Iwato copper mine, Miyazaki Prefecture, Kyushu, Japan Cassiterite |  | | Journal (article/letter/editorial) | | rifting (KINNAI~Det al. 1985). Further south in Namibia, the Brandberg Complex and associated sheeted vein...Mesozoic ring complexes of Niger, Nigeria and Namibia have transgressed the Creaceous erosion surface...minimum melt compositions on the quartz-orthoclase-albite diagram and in the low temperature trough of the...degrees of partial melting of an I-type source region that had undergone an earlier melting event. For...~ ~o o \" ~ % v \ ~v \ \ t" v \ \F Albite granite Porphyritic "~, v V '~ o.s.s.,. |  | | 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 | | SMLS Chair 2022 Botallackite (Xtals 3mm) Bunmahon Mine, Copper Coast, Eire. Photo:John Hall CONTENTS...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...to descend the hydraulic shaft in the Smallcleugh Mine and we bought an inflatable dinghy so we could land...had found. Photo 3. Chalcanthite (7cm). Nangiles mine, Cornwall. Whilst at school in Cornwall I was fortunate |  | | 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 |  | | Journal (article/letter/editorial) | | deposit in Inner Mongolia, China. In the Huanggang mine, Nos. 1 to 4 Fe ore bodies are arranged along a...early Cretaceous, felsic activity occurred in this region as a part of Yanshanian magmatism, and formed granitic...kilometers northeast of the Sn Ore Body of the Huanggang mine, has also been studied for comparison, and the results...50 km west of Linxi Town (Fig. 1). The Huanggang mine, operated at present by Inner Mongolia Huanggang...II zone and Sn O.B. at Skarn No. III zone in the mine were investigated, along with the Sumugou base-metal |  | Yu, Fan, Shu, Qihai, Niu, Xudong, Xing, Kai, Li, Linlong, Lentz, David R., Zeng, Qingwen, Yang, Wenjie (2020) Composition of Garnet from the Xianghualing Skarn Sn Deposit, South China: Its Petrogenetic Significance and Exploration Potential. Minerals, 10 (5) 456 doi:10.3390/min10050456 | Journal (article/letter/editorial) | | also contains abundant mineral resources [28]. The region is characterized by exposed shallow-marine clastic...form the principal geological framework of the region, among which the Chenzhou-Shaoyang Fault and the...zones from the base to the top: albite-microcline granite zone, albite granite zone, greisen zone, and... 50. 51. 52. 53. 54. 55. 56. 57. 58. 59. 60. 61. 62. 63. 64. 16 of 17 Liu, Y.S.; Hu, Z.C.; Gao...Mclver, J.R.; Mihalik, P. Stannian andradite from “Davib Ost”, South West Africa. Can. Mineral. 1975, 13, 217–221 |
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