 | | Journal (article/letter/editorial) | | MAY JUNE, 1959 OCCURRENCE OF JORDANITEIN THE OTAVI MOUNTAINS, SOUTHWESTAFRICA N. L. MenrHAM, Grootfontein...) West Africa. of South been found at Kupferberg in the Otavi Mountains chemical and occurrence The following...describesits mode of composition. The Kupferberg copper prospect lies in the Otavi Valley about 40 miles South...Stage of the Otavi System make up the country rock which is characterised at Kupferberg and elsewhereby...Primary sulfide minerals at Kupferberg include sphalerite, tennantite, pyrite, galena,enargite and jordanite |  | | Journal (article/letter/editorial) | | 43r732-748. 1958, "Difierential Thermal Analysis of Pyrite and Marcasite,,, Am. Mi,neral., 43, 1079-1097.... MAY JUNE, 1959 OCCURRENCE OF JORDANITEIN THE OTAVI MOUNTAINS, SOUTHWESTAFRICA N. L. MenrHAM, Grootfontein...) West Africa. of South been found at Kupferberg in the Otavi Mountains chemical and occurrence The following...describesits mode of composition. The Kupferberg copper prospect lies in the Otavi Valley about 40 miles South...Stage of the Otavi System make up the country rock which is characterised at Kupferberg and elsewhereby |  | | Journal (article/letter/editorial) | | base metal mineralization in the Otavi Mountain Land, Northern Namibia—a review and regional interpretation...Günzel b a b University of Namibia, Private Bag 13301, Windhoek, Namibia Ongopolo Mining Ltd., Main Street...Street, P.O. Box 40, Tsumeb, Namibia Received 16 May 2004; accepted 10 April 2006 Available online 4...Sediment-hosted base metal sulfide deposits in the Otavi Mountain Land occur in most stratigraphic units...Supergroup, including the basal Nosib Group, the middle Otavi Group and the uppermost Mulden Group. Deposits like |  | Höhn, S., Frimmel, H.E., Debaille, V., Pašava, J., Kuulmann, L., Debouge, W. (2017) The case for metamorphic base metal mineralization: pyrite chemical, Cu and S isotope data from the Cu-Zn deposit at Kupferberg in Bavaria, Germany. Mineralium Deposita, 52 (8) 1145-1156 doi:10.1007/s00126-017-0714-z | Journal (article/letter/editorial) | | mineralization: pyrite chemical, Cu and S isotope data from the Cu-Zn deposit at Kupferberg in Bavaria, Germany...Abstract The stratiform Cu-Zn sulfide deposit at Kupferberg in Germany represents Bavaria’s largest historic...isotope data as well as trace element analyses of pyrite from this unusual deposit. The new data point to...texturally late chalcopyrite within stratiform laminated pyrite in black shale in two different tectonostratigraphic...contents of different pyrite types suggest the presence of at least one hydrothermal pyrite generation (mean |  | | Book | | North TsumebSpecial The Otavi Mountainland The Central Northern to Northwest Region including Damaraland...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...__ Republic of Namibia The President State House W°Ntdhoek FOREWORD Namibia is endowed with an...from near and far. Fine mineral specimen from Namibia are displayed in all the famous natural science |  | | 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 |  | | Report (issue) | | 99.90 100.22 100.00 28.18 (1) Molly Gibson mine, Colorado, USA; corresponds to (Cu9.36 Ag2.11 Zn1...(As3.82 Sb0.02 )Σ=3.84 S13.00 . (2) San Lorenzo mine, Santiago, Chile; corresponds to (Cu10.17 Zn1.43...Association: Cu–Pb–Zn–Ag sulfides and sulfosalts, pyrite, calcite, dolomite, siderite, barite, fluorite...Just, and elsewhere. An ore mineral in the Gortdrum mine, near Tipperary, Co. Tipperary, Ireland. In Germany...Germany, from Freiberg, Saxony. In Poland, at Kupferberg-Rudelstadt, Silesia. In Switzerland, from the Lengenbach |  | Foster, R. P., Leahy, K., Hunns, S. R., Pelham, D. A., Lawrence, S. R., Harrison, A. E. (2001) Pan-African terranes: realizing the metal potential. Applied Earth Science, 110 (1) 15-23 doi:10.1179/aes.2001.110.1.15 | Journal (article/letter/editorial) | | Central African Copperbelt, and the Damaran Belt in Namibia, which hosts a considerable number of base-metal...rocks making up the Damara Orogen cover most of Namibia and consist of coastal and northeast-trending branches...of the Katangan Supergroup, which dominate the region, comprise a lower sequence of subaerial and shallow-marine...considerable evidence for thrust tectonics in the region, the previously accepted stratigraphic correlations...Mozambique Belt in Kenya and further south. Here the region comprises a complex sequence of accreted juvenile |  | | Book (edition) | | colours of bornite (brown), chalcocite (blue), and pyrite (creme). 2 Reflectance Reflectance relates to...internal reflections. Isotropic minerals, such as pyrite or galena, do not show bireflectance. Left: Radial...anisotropy. In rare cases, isotropic minerals, such as pyrite or galena, may show an anomalous anisotropy due...transmitted light). Left: The polishing hardness of pyrite (creme) is much higher than that of graphite (brownish...grey), which shows grooves at the contact with pyrite, leading to a strong relief. 4 Cleavage Cleavage |  | | Journal (article/letter/editorial) | | of iron disulfides (mainly pyrite) produces acidic meteoric fluids. Pyrite is more susceptible to weathering...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) | | consideration, giving rise to flyschoid rocks in that region by the end of the Variscan Orogeny. After the cessation...Granulite-Mts./ GDR: Nickeliferous serpentinites; 15. Kupferberg-Neufang/D: FeS2-FeTSs-CuFeS2-ZnS_+ Au; 16. GSssenreuth/D:...Tisova (CSSR) and Klingenthal (GDR) pyrrhotite, pyrite, and chalcopyrite were found in three lens-shaped...Kieslager (Wolf, 1971; Dill, 1985a) which comprises a pyrite and a pyrrhotite ore body interbedded between biotite-chlorite...water depth may be deduced from the presence of pyrite (shallow water ) and pyrrhotite (deeper water) |  | | Journal (article/letter/editorial) | | MatchlessMetamorphosedMassiveSulfideDeposit, SouthWest Africa/Namibia: Wall-Rock Alteration during SubmarineOre-Forming...upperProterozoicDamaraorogen(SWA/Namibia). In the footwallof the ore shootsare pyrite-bearingquartz-muscovite-(chlorite)...Matchless mine area, and depositsrelated to the MatchlessMember in the up500 m north of the mine, the major...Shaft , RK lo6 '* ShOo t Farm !2ø40tS eRK4 ,,•9 Mine 16050' E [•1 MetapehtlC Kulseb schists ':'"'":•...Matchlessmine (simplifiedfrom GeologicalSurveyof SWA/Namibia,Windhoek, unpub. geologicmap) with sample localities |  | | Report (issue) | | 1295(7) c = 8.7092(9) X-ray Powder Pattern: KorsnÄas mine, Finland. 6.38 (100), 3.13 (80), 2.670 (70), 4.08...hyalophane, strontianite, quartz, kaolinite, barite, pyrite, sphalerite, galena. Distribution: Many occurrences;...Kongsberg, Norway. At Kupferberg-Rudelstadt, Silesia, Poland. In the KorsnÄas lead mine, south of Vaasa, Finland...Ossining, Westchester Co., New York. In the Beaver mine, Thunder Bay district, Ontario, Canada. At Batopilas |  | | Journal (article/letter/editorial) | | overlie thc basalts. Ordovician volcanism in this region, thereforc, alternatcd betwceii effusive and cxplosive...succession exposed in the Schicker Quarry near Kupferberg (Fig. 2) in northeast Bavaria, which, in our...informative outcrop is the Schicker quarry near Kupferberg (Fig. 2), that belongs to the Randschiefer series...Ordovician rocks in the Schicker quarry near Kupferberg comprise pyroclastic, volcanic , subvolcanic...of olivine basalt are otherwise unknown in the region. The mineralogical composition of the pyroclastic |  | | Journal (article/letter/editorial) | | sediment~ir gebildete Erze, wie sie von den Vorkommen Kupferberg (IsAcH, 1940), Meggen, Rammelsberg (RAMDOrm,...SAUPE, F.: Diagenetic pyrite and associated sulphides at the Almad6n mercury mine, Spain. In: G. C. AraSTUTZand...Entstehungsgeschichte der Kieslagerst~itte von Kupferberg in OberfrankeR. - - Z. f. angew. Min., 2, 1,...L.G., & AMS'rUTZ, G. C.: Review of microscopic pyrite. - - Fortschr. Miner., 43, 2, 273--309, Stuttgart |  | | Book (edition) | | Calaverite II/D.16-40 378 Villamaninite II/D.17-20 380 Pyrite II/D.17-30 382 Cattierite II/D.17-40 384 VIII ...observe bireflectance. Isotropic minerals, such as pyrite or galena, do not show bireflectance. Anisotropic...to judge anisotropy. Isotropic minerals, such as pyrite or galena, generally do not show anisotropy (although...Descriptions Irregular patches of gold (yellow) in pyrite (light cream); West Driefontein, Johannesburg,...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum |  | Janeczek, Janusz, Ciesielczuk, Justyna, Dulski, Mateusz, Krzykawski, Tomasz (2016) Chemical composition and Raman spectroscopy of cornubite and its relation to cornwallite in Miedzianka, the Sudety Mts., Poland. Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 193 (3) 265-274 doi:10.1127/njma/2016/0305 | Journal (article/letter/editorial) | | a historic mining town of Miedzianka (former Kupferberg) in the Sudety Mountains, SW Poland. The averaged...centered at 830, 825, 823, and 792 cm–1. In the region of OH stretching vibrations there is a single Raman...collected from dumps around the Miedzianka (former Kupferberg) historic mining town (N 50° 52′ 41.06″; E 15°...uninterruptedly mined for copper, silver, lead, pyrite, and arsenic from the beginning of the 14th century...the hydroxyl deformation modes (Table 3). In the region of 600 – 300 cm–1 there are significant discrepancies |  | | Book | | the upper oxidation zone, sulphur compounds (eg pyrite, chalcopyrite, galena and sphalerite) c.:hange...mineral appear in some minerals, such as yellow pyrite which produces a greenish-black streak, grey galena...powder form or in thin sections, eg magnetite or pyrite. In granular aggregates transparent minerals become...a hammer blow, while brittle minerals, such as pyrite and quartz, crumble into small fragments when struck...(eg quartz or opal); - uneven (eg arsenopyrite or pyrite); - hackly (eg silver, gold or acanthite); - splintery | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...the upper oxidation zone, sulphur compounds (eg pyrite, chalcopyrite, galena and sphalerite) change into...mineral appear in some minerals, such as yellow pyrite which produces a greenish-black streak, grey galena...powder form or in thin sections, eg magnetite or pyrite. In granular aggregates transparent minerals become...a hammer blow, while brittle minerals, such as pyrite and quartz, crumble into small fragments when struck |  | | Book | | ...........................................37 Namibia .................................................uranium if higher prices justify reprocessing the mine tailings to recover some of the uranium that was...wastewater during environmental reclamation at a mine that has ceased production. The following statistical...Australia Kazakhstan United States Canada South Africa Namibia Russian Federation Niger Brazil Uzbekistan Ukraine...was about 270 tU. In Argentina the Sierra Pintada mine had been in standby status since 1999 and was expected |  | | Book | | Productive Era of Lhe Otavi Minen- und Eisenbahn-Gesellschaft: 1906-1946 . Tsumeb Mine . Ore Concentration...at Tsumeb? Who discovered the copper ores of the Otavi Mountain Land'/ These questions led the writer,...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...time - some indefinite day when Bushmen of the Otavi Upland showed the outcrop of green malachite to |  | | Journal (article/letter/editorial) | | tectoniques r6gionales Filons, stockworks, impregnations Pyrite, mispickel, parfois sulfides de Cu, Pb, Zn Plus...paralleles fi la lbliation et raremant cassantes Pyrite, mispickel, pyrrhotite, scheelite, molybdenite...r6gionales Filons, impregnations Stibine, mispickel, pyrite, Cu-Pb-Sb sulfosalts, antimoine natif 2 types:...et structural Filons, stockworks, impregnation Pyrite, mispickel, pyrrhotite, molybdenite, scheelite...veines paralleles fi la foliation et cassantes Pyrite, mispickel, Mg, Fecarbonates 2 32% Ag 1-2 Au-quartzsulphidique |  | | Journal (article/letter/editorial) | | DER ERDE A unique ore-placer area of the Amur region with high-Hg gold— A.V. Melnikov, V.A. Stepanov...interaction in K-feldspar alteration zone—a model for pyrite in gold deposits from the 545 Downloaded from...Feierstein, and Ryan J. McAleer 1158 GEOLOGY Pyrite Re-Os and muscovite 40Ar/39Ar dating of the Beizhan...carbonaceous phyllite rock-hosted Pedra Verde copper mine, Borborema Province, Brazil: Stable isotope constraints...mineralization: Pyrite chemical, Cu and S isotope data from the Cu-Zn deposit at Kupferberg in Bavaria, Germany—S |  | | 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...Tasmania, Australia . . . . . . . . . . The Iberian Pyrite Belt Massive Sulphide Deposits . . . . The Oldest |  | | Book | | 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...tourmaline, Topaz and quartz (the quartz continuing). 2. Pyrite, arsenopyrite, gold. 3. Pyrrhotite, chalcopyrite...sphalerite, galena, tetrahedrite, fine-grained pyrite and marcasite (both derived from the breakdown |
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