 | | 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 | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...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) | | Although the collection focuses primarily on the Tsumeb mine and the Kalahari manganese field, other “classic”...represented, such as Klein Spitzkoppe, Kombat, Tschudi, Erongo, Onganja, Berg Aukas, Rosh Pinah, the Alto Ligonha...wolframite specimens from the Krantzberg mine close to Omaruru in Namibia—that caught his son’s fancy....Beeshoek mine close to Postmasburg in the Northern Cape Province. He also visited Black Rock mine, located...aquamarine on schorl, 2.9 cm, from the Erongo Mountains, Namibia. Figure 3. There are three exceptional |  | | Journal (article/letter/editorial) | | resources of anorogenic alkaline complexes in Namibia: A review F. Pirajno a a Geological Survey of...resources of anorogenic alkaline complexes in Namibia: A review, Australian Journal of Earth Sciences:...resources of anorogenic alkaline complexes in Namibia: A review F. PIRAJNO Downloaded by [Dalhousie...Plain Street, East Perth, WA 6004, Australia. In Namibia there are numerous anorogenic alkaline complexes...carbonatites, mineralization, Namibia. INTRODUCTION In southwestern Africa (Namibia, southern Angola and northwestern |  | | Journal (article/letter/editorial) | | complexes and associated mineralisation in Namibia (Brandberg and Erongo) related to the opening of the South...The silica-oversaturated rock types (generally quartz-bearing) range from monzonite to syenite, alkali-syenite...magmatic systems and carbonatites from Namibia (Brandberg, Erongo), South Africa (Kruidfontein, Goudini)...volcano-plutonic complexes, Brandberg and Erongo, respectively and both in Namibia. The reason is two-fold: one is...been the focus of my study during my work time in Namibia. The distribution and setting of alkaline complexes |  | | Journal (article/letter/editorial) | | der Plas mine. There is more, however, in the form of a chapter on small-scale mining in Erongo at the...10 percent of the photographs used in the first Namibia book are repeated here, so most are new. Many of...map showing its location in Namibia. Furthermore, unlike the first Namibia book that had multiple reference...reference lists after each region, there is one composite reference list at the end of the book making it...265 mineral photos plus 43 historical photos; and Erongo (133 pages), 237 mineral photos, 26 locality photos |  | | Book | | WINDHOEK ----------- MP mineral perspectives NAMIBIA This current report has been prepared by the Bureau...provide the latest available data and information on Namibia. Comments, revisions, and additional information... Thispublication hasbeencataloged asfollows: Namibia (Mineral pcrspecri vcs) Bibliography: p. 47-55...of Docs. no.: I 28.37/2: 1. Mineral indusrrics-Namibia. I. Coakley, George J. iI ! I l I I TN19...••••..••••••.•.••••.••• Rights of landowners and mine owners•••••••••••••••••••••••••••••••••••••• Special |  | | Journal (article/letter/editorial) | | student and had managed to find a summer job in Namibia. The geologist in charge of our camp was an ardent...home to South Africa with a few specimens from Namibia. I couldn’t tell a dioptase from a cerussite at...contributions he had made to the mineralogy of Namibia. When Tsumeb was at its zenith (for some), Sid...visiting mineral dealer and collector had to see in Namibia. From relatively humble beginnings in the hotel...thiosulphate-bearing mineral species from Tsumeb, Namibia. Canadian Mineralogist 37:1269-73. Bruce Cairncross |  | | Journal (article/letter/editorial) | | Russian) were vying for ultimate control of the region. Hurtado’s dogged research and attention to small...C. Leicht Kristalle Laguna Beach, California Namibia Minerals and Localities by Ludi von Bezing, in...perfect introduction line to this book review. Namibia Minerals and Localities is a massive tome, 856...personal collection from the region. He has traveled extensively in Namibia, collecting data on most of...it documents most of the mineral localities in Namibia, including currently operating and defunct mines |  | | 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 |  | | Field Trip Notes | | the Geological Society & Geological Survey of Namibia II I -· --· ...... ----·----, Editor: M. Niall...the Geological Society & Geological Survey of Namibia -- - -- .. --- ----• • ·- •• -1 · ~. ,. :...DAMARA OROGEN G.LC. Schneider Geological Survey or Namibia, P O Box 2168, Windhoek 1.0 Day 1 - Monday, 22...Windhoek - Otjihase Mine 1.2 08:00 - 12:00 Otjihase Mine 1.3 12:00 - 12:30 Otjihase Mine - Windhoek 1.4 12:30-...Overnight: Karibib- Navachab Gold Mine Navachab Gold Mine Navachab Gold Mine - Karibib Lunch in Karibib Karibib |  | | Journal (article/letter/editorial) | | several New Jersey localities, and datolite after quartz is reported from Russia. Pseudomorphs of chalcedony...fissure veins. Associated minerals include calcite, quartz, prehnite, danburite, axinite, garnet, and the...heulandite, pectolite, apophyllite, calcite,, and quartz, and its crystal aggregates often form the matrix...green datolite crystals from the Second Sovietski mine, Dalnegorsk, Primorskiy Kray, Russia. The 18.5 ⫻...datolite characteristic of those found at the Wessel’s mine, Hotazel, Cape Province, South Africa. Rob Lavinsky |  | | 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 |  | | Show/Event (guide) | | Frederick A. Canfield 4 4 Minerals from the Erongo Mountain, Namibia by Georg Gebhard 6 3 We warmly welcome...Kamoya South II mine, Democratic Republic of Congo byR. L. Mown 2:00 U n u s u a l quartz crystals form...kulanite and phosphophyllite from the Palermo #1 mine, North Groton, New Hampshire bill. W Nizamoff R...shown us that filth and detritus in gemstones, quartz, and chalcedony are both scientifically interesting...Carrollite crystals f r o m the Kamoya South I I Mine, Katanga, DRC, have pronounced facial striations |  | | Report (issue) | | category ........ Estimated cumulative and annual mine production of tungsten contained in ore and concentrate—...also recovered from placer deposits. Most current mine production of tungsten is from vein/ stockwork,...accounted for over three-fourths of the world’s mine production of tungsten. China alone produced about...resulted in numerous mine closures (estimated at 85 percent of Western world mine capacity). In some cases...deposits. All are discussed below. Most of the current mine production of tungsten is from vein/stockwork, skarn |  | | Book | | (clockwise from top left): Quartz Citrine crystal; Fluorite; Vanadanite; Quartz crystal (see text for details)...Republic, 6 cm). Figure 1.2 Halite crystals (Namibia, 5.8 cm). 6 section devoted to the display of...(field of view 8 cm). Figure 1.3 An opencast iron ore mine (Postmasburg, South Africa). 7 microscopes, or...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 |  | | Journal (issue) | | ................... 75 by W. E. Wilson COVER: QUARTZ crystal cluster, 8.2 cm, from the Second Sovietskiy...gave us an interesting study on “Unusually shaped quartz aggregates from Timiauz, Russia” (vol. 27, p. 205-206...tours for collectors are permitted by the friendly mine management, and visitors have even been allowed...Essexite-Diabase, Shoukinite)— Paleogenic (8) Felsite, Quartz Porphyry— Paleogenic (9) Datolite Skarn (10) Danburite...Danburite Skarn (11) Garnetiferous Skarn (12) Quartz-Calcite Veins and Lenses (13) Faults Russian expansion |  | | Journal (article/letter/editorial) | | deposits and are invaded by quartz veins and stockworks. Both the quartz veins and carbonate-talc altered...altered ultramafic-mafic rocks and the invasive quartz veins have a common hydrothermal origin associated...Furthermore, the occurrence of Swat emeralds in quartz-tourmaline (±chromian muscovite) veins suggests...for further emerald exploration in the lower Swat region of Pakistan and comparable ultramafic-hosted emerald-producing...the evolution and exploration of emeralds in this region. Variable amounts of tourmaline occur in the carbonate-talc |  | | Journal (article/letter/editorial) | | fractionated granites and dominated by greisen, quartz-vein, skarn, and porphyry types (Černý et al.,...parameters are determined from opaque minerals (e.g. quartz, topaz, and cassiterite). The W-mineralizing fluids...fluids’ oxygen fugacity commonly falls between quartz-fayalite-magnetite and hematite-magnetite buffers... Breiter, K., Ďurišová, J., Dosbaba, M., 2017. Quartz chemistry – a step to understanding magmatic-hydrothermal...coexisting (cogenetic?) wolframite, cassiterite, and quartz from St. Michael's Mount and Cligga Head, Cornwall |  | | Book | | papers and 19 geological maps in Western Australia, Namibia and Greenland. Throughout his career, which has...4.3.9 The Brandberg West Greisen Vein Systems, Namibia . . 4.3.10 The Kalguta Mo-W-Be-Bi Greisen System.... . . . . . . . . . . . . . . 6.5.1 Navachab, Namibia. . . . . . . . . . . . . . . . . . . . . . . ....Cu Deposits of the Matchless Amphibolite Belt, Namibia . . . . . . . . . . . . . . . . . . . . . . . 7...Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (issue) | | Wise & G. R. Rossman Orpiment from the Twin Creeks mine, Humboldt County, N e v a d a ............................. 311 by B. K. Lees The Purple Passion mine, Yavapai County, A rizona.................. 323...cm from the Meea trom tne M e 8a pit, Twin Creeks mine, Humboldt County, Nevada. Mined by Collector's Edge...11 cm across. In 1935 they leased the San Diego mine in the Mesa Grande pegmatite field, in southern...located just around the hill from the famous Himalaya mine, source of gorgeous red elbaite tourmaline crystals |  | | Book | | magmatism of the eastern margin of the Atlantic (Namibia, Angola) or the western African kimberlites do...Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and...African craton (200-180 Ma); Lebombo (195-190 Ma), Namibia (165-120 Ma), Chilwa (139 Ma), Luderitz (130 Ma) |  | | Book | | 447 467 491 Company Index 503 Tables: World Mine Production of Gold, Silver and Base Metals 5A2...Mining OFFICES: 5011 Meadowood Way Paradise Peak Mine Suite 300 (100% FMC Gold) * Sales Reno, Nevada...Elko, Nevada (303) 292-7500 Royal Mountain King Mine (100% FMC Gold) Copperopolis, California Beartrack...because Escondida, the world's third-largest copper mine, high in the mountains of Chile's Atacama desert...underground and opencast mining, oil and gas mining ® mine construction, development, modernization ® complete |  | | Report (issue) | | Division 54 Africa Region 55 Asia Region 57 Caribbean and Latin America Region 59 Pacific Region 63 Photogeology...exploitable coal reserves in the Samarinda/Balikpapan region. Detailed mapping by the Bolivian team, which has...the receipt of the interpretation of the Kalahari region airborne magnetic survey carried out on behalf...examin ation of specimens from the Carrock Fell Mine, Cumbria, to delineate the sequence of minerals...partly a function of the vuggy_ character of tl1e quartz gangue. Deposition of carbonates and Fe-Zn-Pb. |  | Fuhrer, G.J., Cain, D.J., McKenzie, S.W., Rinella, J.F., Crawford, J.K., Skach, K.A., Hornberger, Michelle I., Gannett, M.W. (1996) Surface-water-quality assessment of the Yakima River Basin in Washington; spatial and temporal distribution of trace elements in water, sediment, and aquatic biota, 1987-91. Open-File Report Vol. 1996 (95-440) US Geological Survey doi:10.3133/ofr95440 | Report (issue) | | Washington State Department of Ecology and EPA Region X did not have sedimentquality guidelines. However...Hydropsychidae Hydropsyche spp.]). upstream of a molybdenum mine (table 40, at back of report). Nickel concentrations...the Sacramento River reportedly affected by acid mine wastes. Moore and others (1991) reported a much...(Fontinalis squamosd) in a rural river that received acid-mine drainage contained mercury in concentrations ranging...O'Grady and Abdullah, 1985; Luoma and others, 1990; Krantzberg and Stokes, 1989; Nugegoda and Rainbow, 1989; |
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