 | | Journal (article/letter/editorial) | | Printed in The Netherlands COBALT IN THE ZAMBIAN COPPERBELT A.E. ANNELS Department of Mineral Exploitation...and Simmonds, J.R., 1984. Cobalt in the Zambian Copperbelt. Precambrian Res., 25: 75--98. A review of available...regional distribution of cobalt in the Zambian Copperbelt is presented which emphasises the limitation...cobalt in the copper ores o f the Central African Copperbelt had largely been ignored in discussions of their...today. The economic importance of the metal to Zambia and Zaire, and indeed to the World, has, however |  | | Report (issue) | | carbon Central African Copperbelt Congo Copperbelt chlorine cobalt cobaltite Democratic Republic of the...uranium volcanogenic massive sulfide Zambian Copperbelt zinc v Cobalt—Styles of Deposits and the...production is from the Central African Copperbelt. The Central African Copperbelt is the only sedimentary rock-hosted...rock-hosted stratiform copper district that contains significant cobalt. Its presence may indicate significant...with ultramafic rocks, typified by the Bou Azzer district of Morocco, represent another type of primary |  | Sillitoe, Richard H., Perelló, José, Creaser, Robert A., Wilton, John, Wilson, Alan J., Dawborn, Toby (2017) Reply to discussions of “Age of the Zambian Copperbelt” by Hitzman and Broughton and Muchez et al. Mineralium Deposita, 52 (8) 1277-1281 doi:10.1007/s00126-017-0769-x | Journal (article/letter/editorial) | | Reply to discussions of “Age of the Zambian Copperbelt” by Hitzman and Broughton and Muchez et al. Richard...throughout the Zambian part of the Central African Copperbelt, shows that there was a major Cu mineralization...region in the northwestern part of the Zambian Copperbelt (Sillitoe et al. 2015). Both Hitzman and Broughton...evidence in defense of their Central African Copperbelt models, which assign important roles to Cu-bearing...that the arenite-hosted deposits, exemplified by Mufulira, as well as the ubiquitous vein-hosted sulfide |  | | Journal (article/letter/editorial) | | Conditions of Ore Mineral Formation in Certain Zambian Copperbelt Deposits with Special Reference to the Role of...coexisting sulphide assemblages from certain Zambian Copperbelt deposits and of their textural relations and...certain copper-cobalt sulphides of the Zambian Copperbelt and to consider this information in relation...these ores. Sulphide assemblages occurring in Copperbelt ores have been examined in polished section and...further data obtained from the literature. The Copperbelt lies within the Lufilian fold arc of Central |  | | Journal (article/letter/editorial) | | Kupferschieferin central Europe (Rentzsch, 1974), the copperbelt in ZambiaandZaire (Bartholom• et al., 1973; Fleischeret...White, 1979; White et al., 1984). Near the Troy mine, the Revett Formationis more than 550 m thick (Fig...pyrrhotite )0.1 ?.......... ..... tetrahedrite cobaltite volume-% trace local trace (average abundances...lofthegreenschist facies; 1983, AppendixII). Cobaltite, pentlandite,cobaltnotably chlorite, albite, and...in prep.). Authigenicpyrrhotite, pentlandite,cobaltite,magnetite,ilmenite,andbiotite are alsodistributedparallelto |  | | Journal (article/letter/editorial) | | unusual rhodonite on galena specimen from the North mine, Broken Hill, New South Wales, Australia; field...Rhodonite also has been reported from the Stinson mine on Jenny Jump Mountain, Warren County, New Jersey...lapidary-grade massive rhodonite occurs in an old manganese mine north of Kid’s Store, Nelson County, Virginia, and...Sugar Grove in Smyth County; at the Red Mountain mine, Augusta County; and rarely in crystals to 1.2 cm...long in vugs with quartz at an abandoned manganese mine near Scottsville, Fluvanna County (Dietrich 1990) |  | Waizy, Hamidullah, Moles, Norman R., Smith, Martin P., Boyce, Adrian J. (2021) Formation of the giant Aynak copper deposit, Afghanistan: evidence from mineralogy, lithogeochemistry and sulphur isotopes. International Geology Review, 63 (17) 2104-2128 doi:10.1080/00206814.2020.1824129 | Journal (article/letter/editorial) | | hypogene ore with lesser pyrite, pyrrhotite, cobaltite and chalcocite, and rare sphalerite, molybdenite... resembling orebodies of the Central African Copperbelt, although underlying red-beds are absent at Aynak...copper sulphide deposit; copperbelt; neoproterozoic; chalcopyrite; bornite; cobaltite; biogenic sulphate reduction;...Aynak deposit, are located in the Kabul Copper District, an area of 800 square kilometres situated within...2005a). Located about 30 km SSE of Kabul in Logar Province, the Aynak deposit has been exploited by arti |  | | Catalog/List | | in lewth•• BOp. each. 7. APOPHVLLITE. Bay State Mine, Keweenaw Pen., Michigan, U.S.A. Lustrous, bright...suitable For display. 9. ARAGONITE. Laurium Attica District, Greece. Lustrous, translucent, creamy coloured...zixZ-txlt". 1:4.• 50: 10. ARGENTITE. Valenciana Mine: Guanajuato, Mexico. Specimen A - Fine, sharp, silvery... 5x 3i;-xZt". £44.00. 15. AZURITE. Carharrack Mine, Gwennap, Cornwall. Small, bright blue, sharp crystals...a huge, mostly transparent, crystal. Silverband Mine was at one time noted for these large crystals and |  | | Report (issue) | | 11 12 13 14 15 . . . . . . . . . The Copperbelt area, Northern Rhodesia . . Flowsheet of concentration...Selection Trust Ltd.; Rhokana Corporation Ltd.; Rhoanglo Mine Services Ltd.; Anglo-American Corporation of South...deposits of sedimentary origin such as those in the Copperbelt of Northern Rhodesia, though there is considerable...ore minerals include skutterudite, smaltite, cobaltite, linnaeite, carro/lite, and some oxides such as...groups being the most important. · The Sulphides Cobaltite, CoAsS, contains 35 per cent cobalt metal, and |  | | Book | | Oklahoma The Kupferschiefer Central African Copperbelt Summary 63 63 66 Chapter 4. Aluminum and Nickel...amount, however, comes from one district, the Central African Copperbelt. Silver is almost always associated...An important exception is the Central African Copperbelt, which has Co rather than Ag as an accessory...Controversial Kupferschiefer, Central African Copperbelt Weathering of pre-existing accumulation. Introduction...progressively heavier sulfides. Central African Copperbelt One of the world's largest Cu districts, and |  | | Book (edition) | | polysynthetic Stannopalladinite Volynskite yes Cobaltite polysynthetic Cabriite Reflection Colour &... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...of cuprite (bluish grey); North Mine (North Broken Hill Mine; NBH Mine), Broken Hill, Yancowinna Co.,...(red internal reflections); Madenköy Mine, Çayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach);...(greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL B Same sample |  | | Book | | label: Aerial view of the Bingham Canyon copper mine, Kennecott Utah Copper, September 2003. Photo courtesy...Magmatic-Hydrothermal History of the Río Blanco-Los Bronces District, Central Chile: Development of World’s Greatest...Chuquicamata District, Northern Chile Geologic Overview of the Escondida Porphyry Copper District, Northern...± Molybdenum Deposits of the Ertsberg-Grasberg District, Papua, Indonesia Clyde A. Leys, Mark Cloos,...N. Moreto, André Luiz Silva Pestilho, Mineral Province, Brazil Gustavo Henrique Coelho de Melo, Marco |  | | Book | | been a tendency among those who search for and mine industrial minerals to call them ‘ore’ and to measure...reluctance to allow large isolated have mines or mine a because ment unemploy into plunged communities...with many metals during this century has been to mine lower and lower grade ores. This has led to the...mines and the economy of whole nations, such as Zambia and Chile which are heavily dependent on their...For example, to develop the large RTZ copper-gold mine at Bougainville, at 1979 prices. Papua New Guinea |  | | Journal (article/letter/editorial) | | the Capricorn Orogen together with the Gascoyne Province of Western Australia (Cawood and Tyler, 2004)...chromite mineralization occurs in the Jacurici Valley district, Bahia, Brazil, hosted by a differentiated mafic–ultramafic...cassiterite in Pitinga (Amazonas), and in the Goiás Tin Province (Marini and Botelho, 1986), and (vi) wolframite...this tectonic phase. Gold in the Rio de Contas district, central Bahia, Brazil is in structurally controlled...make up the most important Paleoproterozoic gold province of northern Brazil, comprising two main primary |  | | Book | | reasons for the approach taken Mineral deposit or mine? A genetic model as the basis for exploration The...many geologists who have given their time during mine visits and responded to our queries. We have benefited...Decline Doline A downward inclined tunnel into a mine or potential ore body. A funnel-shaped depression...shaft excavated upwards for connecting levels in a mine or ore body. Ripping The removal of overburden...of the problems which face the mine geologist. The function of the mine geologist varies considerably |  | | Report (issue) | | Grenville Province, Quebeck and Ontario..............................45 Bancroft district.............................................61 Beaverlodge district.............................................61...orebody.....................39 20. Grenville Province of the Canadian Shield......................46...Saskatchewan.............53 22. Geology of the Rossing mine area...............................55 iii Illustrations...cross section of Verna and Fay orebodies, Eldorado mine................................................ |  | | Book | | Africa 20 South West Africa... 1 Tunisia 1 Zaire 3 Zambia _2 35 This volume total: Australasia Asia Africa...50, p. 164-168 Heim, Α., 1 9 3 4 , The molybdenum mine at Azegour: Soc. Econ. Geol., v. 29, p. 76-83..., Allanite et epidote dans des corneennes de la mine d'Azegour, Haut-Atlas: Serv. Geol. Maroc. Notes... Maroc): Libr. ünivers. Geneve, 88 p. Notes The mine at Azegour is located on the north side of the High...after 1956; the interest that the geology of the mine has aroused is shown by the large number of publications |  | | Book | | Cassiterite Chalcocite Chalcopyrite Chromite Cinnabar Cobaltite Copper Covellite Cubanite Cuprite Enargite Galena...Pink/purple/violet Yellow Red/brown Anisotropic Cobaltite Pyrite Magnetite Niccolite Marcasite Pyrrhotite...Galena Pyrite, native silver Native platinum Cobaltite Tetrahedrite, tennantite Uraninite, chromite Sphalerite...within it. Samples which have been collected in a mine or open pit exhibit more abundant reflections as...Millerite Marcasite Pyrite Lollingite Arsenopyrite Cobaltite Bismuthinite Pentlandite Copper Stibnite Molybdenite |  | | Book (edition) | | communities to be plunged into unemployment because a mine or mines have become unprofitable, a need to earn...for, and hence the price of, the mine product, well in advance of mine development. A useful recent discussion...producers have spent vast sums of money on exploration, mine development and production but have paid too little...producing, developing countries, such as Chile, Peru, Zambia and ZaIre, increased production irrespective of...minerals (based on Noetstaller 1988). Prices are ex-mine or processing plant The role of the firm Average |  | | Catalog/List | | bright orange red micro crystals in slag. (Cetine mine, Sienna Italy) 061 BRITHOLIT8 Ce. Ce ca Si0/4 P0/4...pure greenish Scorodite (Fe Arsenate) (Gold Hill Mine,TooeleCountyUtah) ½" size El.SO lxl f4 lx2 ED 231...(TynaghMine CountyGalway, Ireland) 1X ½ f.), 102 COBALTITE Co As S silvery masses in rock (Cobalt, Ontario...S/5 grey rnetallic fibres on quartz. (Cariboo Gold Mine, Wells, British Columbia,Canada) ½ ins f2. 50 116...someyellowish. Good coverage of crystals. (Hilton Mine, Cumbria) lx2 fl. 50 243 FLUORITE greenish to purple |  | | Journal (issue) | | Metaliferi Mts. 15 4. Baia Mare metallogenic district 64 5. Other sources of native gold from Romania...metal gold pans, as well as a replica of the famous mine carriage which is considered to be the oldest of...unit. For instance, in BradSăcărâmb metallogenic district, the Au:Ag ratio is relatively uniform (45% to...hierarchical metallogenic criterion: province, subprovince, district, sector, field/ node (Fig. 2) . 7...relevant metallogenic units (node, field, sector, district) were made. For samples sourced abroad, a summary |  | | Book (volume) | | Eric Pirard (Université de Liège, Belgium), some CopperBelt ores (DR Congo); and to Dr. María José Correa...approach (from outcrop through to orebody and district scales, to support textural interpretation), the...Star-shaped twins of safflorite; the pink mineral is cobaltite. CR 375, Cobalt, Ontario, Canada (dsp). b Polysynthetic...and minor copper sulfides (colored). Rub606, Geevor Mine, Cornwall, UK (dsp). c Dissemination of fine-grained...aggregate of marcasite. Rub1075, Friedrich der Grosse Mine, Germany (dsp) Fig. 1.12 Very-fine-grained limonitic |  | | Book | | years British Columbia called h erself the mining province, and she had a right to the name.' lt may seem...considered to be a natural accumulation of useful mine ra l materials that can be profitably extracted...one te nds to flow. At the Dunkin mine of the Breckenridge district, Colorado, the Dunkin vein , wh ic...after it passed into shale (Fig. 2-4). In the same mine several le nticul a r ore shoots are separated by...the porphyry above the gold o re, Breckenridge district. Co lorndo. After T . S. Love ring, U. S . C eo |  | | Book | | .................. .42 3.1.6 Pirquitas, Jujuy Province, Argentina ..................................... 58 3.2.7 Maranda J, Murchison belt, Northern Province, South Africa ........... 59 VIII Table of................ 62 3 .2.8.1 Letneye, Dombarovsk District ....................................................... 62 3.2.8.2 Komsomolskoye, Mednogorsk District ...................................... 64 3.2.8.................... 65 3.2.8.6 Bakr-Tau, Baimak District, Bashkirian Republic ....................... 66 |  | | Book | | Mineralization 4.10. A Comprehensive Example: The Cree de District, Colorado, USA 4.11. Summary 4.12. Recommended...disseminating the information, the mine geologists and mine managers who have made the mine visits a rewarding experience...concentration required to achieve the break-even point for a mine in terms of revenue and costs. Any detailed exploration...epochs. Following Tumeaure (1955), a metallogenic province may be defined as a mineralized area or region...The size of a metallogenic province can be as large as the Superior Province (Canadian Shield) or as small |
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