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| OcronER2011 The Kalahari Copperbelt in Central Namibia: Controls on Copper Mineralization Kenneth J. Ma/dent...central Namibia lo northern Botswana (Figure I; Borg, 1988; Borg and Moiden, 1989). In centml Namibia, copper...than 60 km of sl1ike of the Kngas Member of the Klein Aub Fo1mation. The strata-bound nature of copper occurrences...Subsequent research al the (presently inactive) Klein Aub Mine and elsewherc in the Namibian part of the belt...(e.g., the relation lo a late reverse faull al Klein Aub) ond detailed textural feotures (e.g., copper |
 | Maiden, K.J., Innes, A.H., King, M.J., Master, S., Pettitt, I. (1984) Regional controls on the localisation of stratabound copper deposits: Proterozoic examples from southern Africa and south Australia. Precambrian Research, 25 (1) 99-118 doi:10.1016/0301-9268(84)90026-3 | Journal (article/letter/editorial) |
| Johannesburg (South Africa) 2 Klein Aub Copper Mine, Klein Aub (SWA/Namibia) 3 Formerly M.T.D. (Mangula)...copper deposits. The areas studied are: (1) Klein Aub in SWA/Namibia, where deposits are hosted by dark argilites...instances, but are not generally controlling factors. Klein Aub, Alaska, and Mhangura occur near basin margins...mineralisation varies from region to region, and may even vary within the one region; it is not uncommon for...(1) direct chemical processes; (2) replacement of pyrite or organic matter; (3) adsorption on clays, etc |
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| Springer-Verlag 1992 Lead isotopic signatures at the Klein Aub Mine, NamibiaImplications for mineralisation models...stratigraphic levels in the vicinity of the Klein Aub Mine, Namibia, with the aim of investigating possible...Doornpoort Formation is a source of the Cu in the Klein Aub deposits. Isotopic studies in general and Pb...sediment-hosted Cu-sulphide ore bodies at the Klein Aub Mine, Namibia, Borg (1988), Borg and Maiden (1987 and...Because the Klein Aub Mine is a base metal deposit and since the mineralisation at Klein Aub lends itself |
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| 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 |
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| 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 |
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| Along the Margin of the Kalahari Craton in Swa/Namibia and Botswana G. Borg and K. J. Maiden Geological...along the margin of the Kalahari Craton in SWA[Namibia and Botswana G. Borg & K. J. Maiden S U M M A R...regional metamorphism which reached temperatures up to 350°C. Massive domains were metamorphosed to oligocl...o n m e n t . These are the basins of K l e i n Aub, D o r d a b i s / Witvlei and Lake N ' G a m i (Fig...NamaquaNatal. Middle Proterozoic basins (black): Klein Aub (1); Dordabis/Witvlei (2) and Lake N'Gami (3) |
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| berg Organ Pipes / Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 ...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Area West and South of Rehoboth The Central and South-CentralDeposits Onganja Mine and Surrounding Copper...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |
 | KAMPUNZU, A. B., AKANYANG, P., MAPEO, R. B. M., MODIE, B. N., WENDORFF, M. (1998) Geochemistry and tectonic significance of the Mesoproterozoic
Kgwebe metavolcanic rocks in northwest Botswana: implications
for the evolution of the Kibaran Namaqua-Natal Belt. Geological Magazine, 135 (5) 669-683 doi:10.1017/s001675689800123x | Journal (article/letter/editorial) |
| the Neoproterozoic (Pan-African) Damara belt in Namibia and Ghanzi-Chobe belt in Botswana (Fig. 1). The...southern and central Africa includes the Damaran (Namibia), Ghanzi-Chobe (Botswana), Lufilian Arc (Democratic...in the southwest. In Namibia, its correlatives occur in the Witvlei and Klein Aub districts (Fig. 1)....Mesoproterozoic metavolcanic rocks in Botswana, Namibia and South Africa, and the distribution of main...be inferred from studies in the Witvlei area in Namibia. The Damara siliciclastic sequence is the fill |
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| systematically present the geology of each country, region and continent on Earth. Each book aims to provide...(Gariep Belt) cropping out in the western borders of Namibia and South Africa. They were split up in the Mesozoic...concerning the tectonic and geodynamic evolution of this region during the Precambrian. Major tectonometamorphic...tectonostratigraphic domains and structures of the region are presented, together with implications for the...Ma) Famatinian and the Devonian-Carboniferous (400–350 Ma) Achalian orogenies, which resulted from the complex |
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| not coincide with the Google-Earth images of the mine workings. The authors wish to thank William F. Cannon...60 90 100 115 120 140 160 230 260 270 300 320 340 350 380 512 530 560 570 630 700 750 800 900 1000 1250...and other CU S minerals, bornite, chalcopyrite, pyrite, and 2 subordinate galena and sphalerite. Chalcocite...Chalcocite forms near the oxidized source of copper; pyrite forms near the reduced rocks. Native copper occurs...Zambia and Republic of Congo contain carrollite, Co-pyrite and Ge minerals. Texture/Structure Minerals are |
 | PIESTRZYŃSKI, A., WENDORFF, M., LETSHOLO, M., MACKAY, W. (2015) PLATINUM-GROUP MINERALS IN THE NEOPROTEROZOIC STRATABOUND COPPER-SILVER MINERALISATION, THE KALAHARI COPPERBELT, NORTHWESTERN BOTSWANA. South African Journal of Geology, 118 (3) 275-284 doi:10.2113/gssajg.118.3.275 | Journal (article/letter/editorial) |
| Introduction The Kalahari Copperbelt of Namibia and Botswana is a broad region with copper-silver deposits hosted...abundance): chalcocite, bornite, chalcopyrite, pyrite, sphalerite and galena (Schwartz et al., 1995)... kotulskite (Pd(Te,Bi)), emplectite (CuBiS2 ), pyrite, malachite and chrysocolla. Molybdenite, Bi-minerals...malachite; mol – molybdenite; pot – potarite PdHg; py – pyrite; py – pyrrhotite; rt - rutile; tm – temagamite...to undertake in the future when the first Cu-Ag mine in the Boseto area of northwestern Botswana will |
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| (AKI: Orapa diamondmine; NC 4 Pikwe nickel-copper mine; Cu 6 Ngwako Pan copperoccurrence). lite facies)...andwhichmayalsobepartof the DordabisSupergroupof Namibia. In the northwest, miogeosynclinal Damaralimestones...AND MARENG}VA to the wholebelt. From evidencein Namibia (Anhaeusser and Button,1974) the DamaraSupergroup...evidentlysuffereddeformationand erosionprior to Damarasedi- Namibia acrossBotswanainto Zambia,representing a widespreadcoversequence...belongingeither to the Selkirk acid areas;the GoldenEagle mine (Fig. 3: Au 5) is the volcanicsuccession(Mason, |
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| somewhat analogous to the modern 114 western Pacific region, dominantly composed of island arcs in the absence...synthesized by Zhao (2004) for the Western Pacific region shows 233 stagnant slabs floating in the mantle...detritus will get stacked in the middle mantle region due 250 to buoyancy, generating a ‘second continent’...Paraná-Etendeka flood volcanism , associated with 350 alkaline complexes and carbonatites and related...Atlantic 457 would explain the origin of LIP in the region (Karoo, Ferrar, Tasman and Chon Aike; 458 Gondwana |
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| 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...Tasmania, Australia . . . . . . . . . . The Iberian Pyrite Belt Massive Sulphide Deposits . . . . The Oldest |
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| Availability curves Operating and capital costs Mine and mill operating costs Total production costs...developing, and explored deposits Total availability by region Annual availability U.S. availability Total production...explored deposits Total copper availability by major region Potential annual copper production from producing...deposits Potential annual copper production by major region Total copper availability from U.S. mines and deposits...26 26 27 27 27 28 TABLES 1. 2. 3. 4. 5. World mine production of copper Nimiber and status of copper |
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| Africa 194 3.5.2. The Damaraland alkaline province, Namibia 198 3.5.3. Carbonatites 199 3.5.4. Kimberlites...metamorphism in the Central Zone ofthe Damara Orogen, Namibia 6.3.2. Anorogenic metamorphism in the eastern Pyrenees...that metals, oxides and silicate dominated in the region between Mercury and the asteroid belt. Details...crystallographic axes will aceeierate in the given region, thereby providing another way of mapping out hot...other of the above cases dominating in a given region. More recently, measurements of crustal Poisson's |
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| Kobos (Namibia) N. Central U.S. (Wise.) BcJquira(Brazil) Broken Hill (Aust.) Kopermyn (Namibia) 9....ltapicuru ores ( Brazil ) 1. Ore style District or region No. Arc? Rift? Rift? GS Belt'? Rift? Rift(...Aravalli-Jarhol Orogenic Belts (India) 13. 14. District or region No. TABLE 2 (Continued) Mendelsohn, 1989. Sangster...Matchless cupreous pyme deposit. South Wes~ Afriea/Namibia. In: C.R. Anhaeusser and S. Maske (Editors L Minerat...along ~l~e margin of the Kaiahari craton in SWA/Namibia and Bols~ana. In: T.Co Pharaoh. R.D. BeckinsaIe |
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| in the evaluation of a deposit and planning of a mine or quarry, completely separate from the exploration...base for mining enterprises is important for the region that includes geological structures of the Greater...The area is the site of Greenland’s only producing mine, due to close end 2013 (http://angelmining.com/)...overprint defined by zoisite¡ chlorite¡muscovite¡pyrite¡hematite replaces earlier alteration stages. A...(Marschik et al., 2010), with minor sphalerite and pyrite viewable in hand specimen. This is hosted in brittle |
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| ~o Moroni Lusaka*--- • Ha B MOZAMBIQUE NAMIBIA ( Windhoek* Gaborone * Pretoria * Mbabane ... 105 Mozambique . . . . . . . . . . . . . 113 Namibia . . . . . . . . . . . . . . . . 119 Nigeria . ...of diversified experience in mineral exploration, mine design, development, and operations, as well as...mineral industry of Canada, Iran, Mexico, and Namibia. He is also the Bureau's specialist on the North...in Africa and the Middle East, especially Iraq, Namibia, South Africa, and Zaire. Hendrik G. van Oss is |
 | | Conference Proceedings (Volume) |
| Cover photograph: View of the Aitik open pit copper mine in the very north of Sweden. Mining operations started...potential map of the Neoproterozoic Gariep Belt in Namibia .......................... 480 . . ...........sulfide-hosting footwall sequence of Lousal, Iberian pyrite belt ............................................pyritic Zn-Pb-Cu-(Au-Ag) sulphide deposit, Bergslagen region, south-central Sweden . . .......................Occurrence of gold (electrum) in the Lousal mine, Iberian pyrite belt, Portugal ....................... |
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| holdings. Prior to 1978, the development of complete mine property cost evaluations was impeded by still evolving...tool. Systems design work also continued on the mine simulation (MINSIM) program, an economic evaluation...reserves. These include implications that because a mine is operating it is profitable, that reported reserves...prices, which are variable over the life of the mine. Economic evaluation is complicated by the presence...and economic variables on viability of individual mine properties (17-18). Nonproducing deposits Producing |
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| evaluation of the mineral and energy resources of the region. Support for this research program has been provided...and New Jersey, and the San Juan basin, New Mexico 350 By Christine Turner-Peterson Sedimentology of stratabound...rip-up clasts, and the presence of organic matter, pyrite, and chlorite enrichment in the uranium-bearing...formation. There seems to be a correlation between pyrite sulfur content and the fish taxa that can be interpreted...PB, Preakness Basalt; and HOB, Holyoke Basalt. Klein (1968) was first to recognize the cyclic nature |
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| label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Tunnels Au-Ag-Zn-Pb deposit, Montana, United States (mine now exhausted). 1971: Recognized control of ore...high sulfidation epithermal Au-Ag deposit, Chile (mine now exhausted). 1971: First formal recognition...which led to discovery of Perkoa Zn-Pb-Ag deposit (mine under construction). 1990: Recommendation of Cerro...porphyry Cu deposit, Chuquicamata district, Chile (mine under construction). 1978: Recognition of concealed |
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| mapping of the complex geology of the Dharwar region and made significant contributions to our knowledge...intermittent From the uplift of the Peninsular region since the drainage pattern on its eastern and...in harnessing the groundwater resources in this region. His emphasis on investigations of deep fissures...visible but much more radiation in the ultraviolet region of the spectrum (see Holland, 1984). The other...reaction. The stippled area at low pressures is the region where a H20-rich vapor could coexist with orthopyroxene |
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| reassembled in the mine. But it was worth it! They have helped Morton Salt’s Painesville, Ohio, mine to step up...with 7 and 10 mm openings. 68 behind the grate Mine planners forecast a comeback for dredges . . . Experts...have a busy future. In the recently-opened Hamilton Mine, there are 100 million tons of coal to be dug out...around the world. 33 pp, 1968. . : $1.00 Sherman Mine—newest and most modern ore beneficiating and agglomerating... 75 Gravity concentration—C. F. & |.’s Sunrise mine adopts heavymedia for lower grade iron ores. 4 pp |
