 | | 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unpublished.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 | | 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 . :~~.....Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...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) | | closely link geomorphological (land)forms in a region with the climate during a certain period of time...self-explanatory way. Encrustations made up of tenorite and (or) cuprite are called cupriferous oxicrete...and vanadocrete (vanadate). Panczner 1987 Tajo Mine, Hidalgo del Parral, Chihuahua, Mexico Panczner...goethite cuprite goethite goethite cuprite tenorite cuprite azurite malachite azurite malachite...malachite carbonate oxide plus hydrates Se-bearing tenorite Carbocretes Oxicretes chrysocolla hemimorphite |  | | Journal (article/letter/editorial) | | passage from the vadose to the phreatic zone, tenorite was found associated with torbernite (FIG. 2G)...Chalcopyrite (CuFeS2) growing on white fluorite – Erika Mine. (C) Chalcocite (Cu2S) coating chalcopyrite in yellow...– Wölsendorf Mine. (D) Covellite (CuS) covering chalcopyrite in quartz – Wölsendorf Mine. (E) Cuprite...black tenorite – Roland Mine. (F) Native copper (Cu) on quartz – Marienschacht Mine. (G) Tenorite (CuO)...2·12H2O) – Roland Mine. (H) Malachite (Cu2 (OH) 2CO3) on quartz – Marienschacht Mine. (I) Chrysocolla |  | | Journal (article/letter/editorial) | | MINER.GES. 148 (2003) THE OTAVI MOUNTAIN LAND IN NAMIBIA: TSUMEB, GERMANIUM AND SNOWBALL EARTH by Frank...carbonate successions in the Otavi Mountain Land, Namibia, host a large number of polymetallic (Cu-Pb-Zn)...structure. Massive Cu ore at the Khusib Springs mine is composed of tennantite, enargite, galena and...jungproterozoischen Karbonatabfolgen des Otavi Berglandes (Namibia) sind zahlreiche polymetallische (Cu-Pb-Zn) Sulfidvorkommen...this is more than the name of a small town in Namibia and a polymetallic copper deposit: Tsumeb is renown |  | | Journal (article/letter/editorial) | | CSIRO, Wembley, W.A. 6014 (Australia) (Received June 16, 1983; accepted for publication October 26, 1983)...have a high Fe content, as well as the oxides tenorite and cuprite. The base metals can be leached out.... 1 0 -4 ppt 0.633 O c~ Rosh Pinah, S.W.A./Namibia 50% Sp, 20% Py, 10% Ga, 20% gangue 3% gangue ...South Africa; 42% Py, 53% Sp,2,% Cp, Matchless, S.W.A./ Namibia~ 23% Po, 75% Cp, 2% gangue Na2SO 4 ...gangue 0.38 ± 0.07 7.2 ± 0.2 Matchless, S.W.A./ O.05M Na:SO 4 Namibia 65% Py, 25% CP, 3% Sp, 0.05M Na2SO |  | | Book | | the Committee of the S.W.A. Scientific Society Windhoek 1967 Cover design by Petro Smit. The alchemistic...Schriftleitung: Postfach 67, Windhoek, S.W.A. Druck: John Meinert (Pty.) Ltd., Windhoek, S.W.A. TABLE OF CONTENTS...Minen- und Eisenbahn-Gesellschaft: 1906-1946 . Tsumeb Mine . Ore Concentration and Smelting Ra:ilway and Communications...truth is that in total metal production the Tsumeb mine has become one of the foremost on the African continent...sta tistics do, however, reveal why the Tsumeb mine has attained world status as a base metal producer |  | | Book | | of Textures Chapter 14 Tectonic Effects Chapter 16 Leaching, Diffusion and Element Concentration 103...of the granite-gneissic Precambrian rocks of the region and of manganese mobilized by leaching of basalts...controlled by the structurally superimposed unwrapping region. This engendered the decisive conditions in the...granitized material itself. The wide country rock-region may in many cases be a significant contributor...the new mineral (metasome) or may diffuse into a region of increasing mobility, culminating in a solution |  | | Journal (issue) | | arsenate mineral from Tsumeb. He passed away November 16, 2001, at the age of 91. Prosper John Williams was...November–December, 2005 In 1926, when Prosper was 16, he decided that he’d had enough of schooling and...Schoenmakerskop near Port Elizabeth, and worked on a citrus farm. There was no electricity or running water in his...to realize, however, that without money to buy a farm of his own he would never be a real success as a...Toronto Technical College. He learned that the Tsumeb mine in South-West Africa was producing some very beautiful |  | | Report (issue) | | modern structural materials are of a complete and matchless order. In the past ten year period the search...single producer was doubtlessly the old Silver Cliff mine that now adjoins the present city of Lusk. In recent...latter property was worked exclusively as a radium mine, and immediately prior to titular litigation concluded...from the Electrolytic Mine situated near Albany, and from the WilliamsLuman Mine, near Lysite, as well...well as from the Sunrise Mine at Hartville. For many years shipments have averaged several hundred tons |  | | Book | | ] 1-102 [ 17 / 1986 [ ONTARIO] NEVADA] [ 16 / 1985 [ 65-128 265-328 261-336 209-272 [ 69-132...On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | Book | | basic understanding of the geology of an area or region will never happen without initial observation of...Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Reunion (France) Rwanda São Thomé...Democratic Republic of Congo were also felt by Angola, Namibia, Rwanda, Uganda and Zimbabwe. The long-term implication...Chart.- 1 folded chart and accompanying brochure, 1-16; Viljoen, M. J. & Reimold, W. U. (1999): An introduction...(1872) on East Africa, in which the Great Lakes region of central eastern Africa is very poorly figured |  | | 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. . . . . . . . . . . . . . . . . . . . . . . ....The Besshi-Type Cu Deposits of the Matchless Amphibolite Belt, Namibia . . . . . . . . . . . . . . . . ...Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . . . . . . . . |  | | 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 | | dispersion mechanisms that have operated in each region and environment and indicate suitable exploration...warmest month °C <20(t + 14) >20(t + 14) climates 12-16 12-18 > 18 (21-27) > 18 (21-27) > 18 (21-24) Temperature...Monsoon Aw Savanna Rainfall driest month mm 16-21 12-20 16-21 > 18 (21-27) 21-27 24-27 24-27 24-27...transition Mean annual rainfall (mm) Climatic region TABLE 1.1-2 Climatic regions of pedogenetic significance...1989b), with some of the iron ores of the Hamersley region being products of deep supergene weathering about |  | 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) | | Carbonates Class Class Class Class Class 13 14 15 16 17 Acid Carbonates Anhydrous Carbonates Hydrated...there are about 700 of such compounds, or roughly 16% of naturally occurring mineral substances. Some...Countries, from north to south 14. Oceania 15. Australia 16. Antarctica 17. South America The localities section...Spotsylvania Co., and Partridge mine, Orange Co., VA, and at Dahlonega, GA; Homestake mine, Lawrence Co., SD; Silver...Lake Co., Breckenridge(*), Summit Co., Ground Hog mine(*), Gilman Co., Silverton and Telluride, San Juan |  | | Book | | places of extreme differentiation (e.g., at the Frood Mine and at Insizwa) bismuth and tellurium minerals are...(1940). 12 T H E ORE MINERALS FIG. 4 80 X Mouat Mine, Stillwater Valley, Montana RAMDOHR From a border...("solutions", "melts", and " v a p o r s ' " in this region are not sharply distinguishable). However, this...in the ore minerals. E.g., there are certainly 3 16 T H E ORE MINERALS FIG. 9 8 X Colavi, Bolivia...fluid (supercritical), pass below 400 °C into the region of liquid aqueous solutions. At the same time their |  | | Journal (issue) | | A L M IN ER A LO G IC A L A SSO C IA T IO N < *16 plus $2 postage ORDER FROM The Mineralogical Recond...considered to be the northerly extension o f the Khomas H ighland. H ere a num ber o f small copper and...) ■»' 1 *% ^° \ O I > % si Y /N e /V © i X Farm boundaries / ■ * Rivers X o1 I i Otjizonjati...,6 $ Copper prospect . r-f e *— ^ Abandoned mine t i jf :ia 10 ..A Xi / — r" ' CO tO ' i %...small-scale m ining operations took place at the Matchless m ine west o f W indhoek, and some o f these have |  | | Report (issue) | | Frontispiece: Olivenite, 1.6-cm cluster, Majuba Hill Mine, Antelope district, Pershing County. N. Prenn collection...COLOR PLATES (following page 242) Gold, Mexican Mine Gold, Majuba Placer Pyromorphite after Galena with...with Conichalcite Gold, Round Mountain Mine Quartz, Lovelock area Acanthite Grossular, Nightingale...Meikle Mine Malachite and Azurite, Aurichalcite with Hemimorphite Azurite Barite, Meikle Mine Barite...Northumberland Mine Barite, Rosebud Mine Barite with Orpiment inclusions Calcite, Getchell Mine Robinson |  | | Journal (issue) | | Famous mineral localities: the Home Sweet Home mine ..................................................Groenkloof, Pretoria Belgium: Paul Van Hee Deuzeldlaan 16-bus 1 B -2120 Schoten England: Roger S. Harker 2...January 1, after which date the new rates will be $16 for one year and $30 for two years. Lifetime sub...type localities, and an alphabetical cross-index by mine name. T INTRODUCTION In the Spring of 1976 a group... COLORADO LOCALITY INDEX BOULDER COUNTY Caribou Mine Caribou (near Nederland), Caribou District (Silver |  | | Book (edition) | | Morocco; (center, left) wulfenite, San Francisco mine, Sonora, Mexico; (center) ameihyst, Veracruz, Mexico;...rnodochrosite, N’Chwaning mine, South Africa; (lower left, center) wulfenite, Red Cloud mine, Arizona; (lower...(lower right, center) mimetite, Tsiimehb, Namibia; (lower, right) gold, Amazonas, Brazi!. All specimens from...Pe Wr * se vat © C6 tad GAa Snive Sr Certain Mine (ax agry wh Oe ee — SS 4 eae wid Bharce ©...Sartpepan ee Ava tly nit hee SA y's jo ky af 16 ' - aw a a See mA ais yeri #0 ream in’ sera |  | | Report (volume) | | _____________ ______________ ______ 1 1 3 4 6 7 11 12 16 28 31 364 ILLUSTRATION PLATE 1. Map showing selected...mineral localities referred to in this report, pages 16-28 and elsewhere, are shown on other maps of the...COUNTY Locality 1.-Gold Hill district, Copper King mine. Bravoite, cobaltite, garnierite, morenosite, pentlandite...pentlandite, polydymite, and violarite. The Copper King mine is three-fourths mile southwest of Gold Hill and...COUNTY Locality 1.-Browns Creek area, California mine. Beryl, brannerite, ferrimolybdite, .fluorite, jarosite | | | Book (edition) | | Morocco; (center, left) wulfen ite San Francisco mine, Sonora, Mexico; (center) amethyst, Veracruz, Mexico;...Mountains, Utah; (lower le ft) rhodochrosite, N'Chwaning mine, Sou th A frica; {lower left, center) wulfenite...Arizona; (lower right, center) mimetite, Tsurneb, Namibia, (lower, right) gold, Amazonas, Brazil All specimens...Road Scarborough, Ontario MIK 5G4, Canada 4I-1'-lq 16 15 14 13 ~- ?-S- q I 12 11 10 9 ...[' 11...coating fractures in sandstone at the Fuemrol No. 2 mine, Temple Mountain, Emery County, Utah; also sparsely |  | | Catalog/List | | Ordovician, Asery Level Formation Wolchow River Region, St. Petersburg, Russia As if it were not enough...#5234 | Sunday, October 4, 2015 | 12:00 PM CT 15 16 To view full descriptions, enlargeable images and...9 cm) long, each ammonite measures an impressive 16 inches (40.6 cm) in length, 5.5 to 6 inches (14.0...sandstone matrix. Prepared in situ, the finished plate is 16 x 19 x 6 inches (40.6 x 48.3 x 15.2 cm) thick. It...costatum species and was mined at the Korite Oxbow Mine which has been closed since the early 2000s. The |
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