 | | Journal (article/letter/editorial) | | Pan-African, Neoproterozoic Rosh Pinah Zn-Pb deposit, southwestern Namibia D.J. Alchin Kumba Resources...Grahamstown, South Africa e-mail: J.Moore@ru.ac.za “Rosh Pinah” – The stone which the builders refused has become...genesis of the Neoproterozoic Rosh Pinah Zn-Pb deposit in southwestern Namibia. During continental rifting...rifting at ~740 Ma, an intracratonic rift (Rosh Pinah Graben) became detached from the main Gariep depository...fluid populations – a pre-orogenic, riftrelated Rosh Pinah ore-forming fluid dominated by MgCl2- and CaCl2-rich |  | Borg, G., Karner, K., Buxton, M., Armstrong, R., Merwe, S. W. v. d. (2003) Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia. Economic Geology, 98 (4) 749-771 doi:10.2113/gsecongeo.98.4.749 | Journal (article/letter/editorial) | | the Skorpion Supergene Zinc Deposit, Southern Namibia GREGOR BORG,† KATRIN KÄRNER, Petrology and Economic...Abstract The Skorpion zinc deposit in southwestern Namibia comprises a significant nonsulfide orebody (24...facies, and the complex deformational style of the region is the result of intense faulting, folding, and...The primary sulfide minerals comprise pyrite, pyrrhotite, sphalerite, minor chalcopyrite, and galena as...north-northwest of the Rosh Pinah mine in the southernmost Namib Desert, Namibia (Fig. 1), is hosted by |  | | Journal (article/letter/editorial) | | Kingston"] at 08:22 13 August 2013 Rosh Pinah LEAD-ZINC MINE Figure 1 (above). Transparent yellow...the Rosh Pinah mine (foreground) with the village in the background. Gisela Hinder photo. Namibia 398...at 08:22 13 August 2013 he Rosh Pinah mine is located in southern Namibia, 20 kilometers north of the...and the farms Namuskluft 88 and Spitzkop III. The mine is somewhat isolated, and in order to get to it...need to be spent driving the roads in southern Namibia. The main access road branches off from the tarred |  | | Journal (article/letter/editorial) | | 19 Stratigraphic setting of the metalliferous Rosh Pinah Formation and the Spitzkop and Koivib Suites...Suites in the Pan-African Gariep Belt, southwestern Namibia D.J. Alchin Kumba Resources, P O Box 1224, Postmasburg...proposed for the Neoproterozoic Rosh Pinah Formation in southwestern Namibia. The formation forms part of...hosting two major economic base metal deposits at Rosh Pinah and Skorpion. It is characterised by the presence...failed intracratonic rift graben in the east (Rosh Pinah Graben) that was separated by a basement horst |  | | Journal (article/letter/editorial) | | Mss and iss recrystallise at low temperature to pyrrhotite (Po), pentlandite (Pn) and chalcopyrite (Cpy)...alteration of the primary Po–Pn–Cpy assemblage, where pyrrhotite alters to pyrite and pentlandite alters to millerite...arsenopyrite with lesser galena, sphalerite and pyrrhotite. Minor phases of bismuthides and antimonides...blankets of porphyry Cu deposits in the Atacama region. The Chilean Palaeocene-Eocene metallogenic belt...Faride epithermal silver–gold deposit, Antofagasta region, Chile, Economic Geology, 86, 1222– 1237. Warren |  | | Journal (article/letter/editorial) | | Formation is unconformiblyoverlain by the younger at Rosh Pinah. Hilda Series of the Gariep Systemwhich is in...rocks of the Hilda Series The mining area of Rosh Pinah is situatedap- to the northwest. consist of dolomite...few kilometers Huns Mountains to the east of Rosh Pinah. The scantyvegetationconsists mainlyof succulents...otherxerophyticplants. to the south and southeast of Rosh Pinah. The Kapok Formation •RegionalGeological Setting...pyroclasticswith THE Pb-ZnDEPOSITOF ROSHPIN,4H MINE 307 I LOCALITY MAP. Windhoek / • SOUTH WEST |  | | Journal (article/letter/editorial) | | Differentiating dilution and retention processes in mine effluent remediation within a natural wetland on...Casas, Joan de Pablo, and Jordi Bruno 1284 Acid mine drainage in the Iberian Pyrite Belt (Odiel river...2005 Oxidation/alteration of pentlandite and pyrrhotite surfaces at pH 9.3: Part 1. Assignment of XPS...and H.W. Nesbitt Oxidation of pentlandite and pyrrhotite surfaces at pH 9.3: Part 2. Effect of xanthates...Cu2HgPb22Sb28S64(O,S)2, a new sulfosalt from Buca della Vena mine, Apuan Alps: Definition and crystal structure—P |  | | Journal (article/letter/editorial) | | N ames Skorpionite Skorpion Mine Lüderitz District Karas Region Namibia BRUCE CAIRNCROSS S Department...scattered on a green tarbuttite matrix, Skorpion Zinc mine; field of view 1.6 cm. Bruce Cairncross specimen...Skorpion mine 562 ROCKS & MINERALS Figure 2. View of the mining operation at the Skorpion Zinc mine ca....Figure 3. Location of the Skorpion Zinc mine in southern Namibia; prepared by William Besse. Dr. Bruce...cleavage. The mineral is named after the Skorpion Zinc mine where it was discovered, and that is the only known |  | | Book | | 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...__ 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 | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...counterpart of the Oranjemund Group (Gariep Belt) cropping out in the western borders of Namibia and South Africa...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... They emphasize the enormous potential of this region in terms of base (Cu, Pb, Zn, Co, Ni), precious |  | | Catalog/List | | rich black pitch like mass in blue Chrysocolla Star Mine, L_u/lwmbashi South Katanga C;fi/40 small 2x2 £25...tabular twinned crystal about 8 mm size ( Telino Mine, Linopolis, Minas Gerais Brazil) £40 Na Be PO4 11...( small hollow tubes or epimorphs) Toca da Onca Mine, Virgem da lapa, Minas Gerais Brazil £35 12. HOLMQUISTlTE...micro crystals on l xl .5 inch matrix Schoeller Mine Kladno. Czech Republic . a 15. KTENASITE blue...blue micros and coatings on l xl inch Glomrudkollen Mine, Modum Norway l xl £12 16. CORNETITE rich coverage |  | | 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 |  | | Journal (article/letter/editorial) | | styles of VMS mineralization present in a particular region can be predicted from examination of the facies...significantly enriched in galena. In some deposits pyrrhotite (rather than pyrite) is the dominant sulphide...are relatively unmetamorphosed and undeformed, and mine plans and TE sections clearly show the mound morphologies...and Allen 2001). Some examples include the Potter Mine, Ontario in the Abitibi Subprovince, where sulphides...hyaloclastite (Gibson and Gamble 2000), the Rosebery Mine, Tasmania, where sulphides have replaced the top |  | Velasco-Acebes, Jesús, Tornos, Fernando, Kidane, Abiel T., Wiedenbeck, Michael, Velasco, Francisco, Delgado, Antonio (2019) Isotope geochemistry tracks the maturation of submarine massive sulfide mounds (Iberian Pyrite Belt) Mineralium Deposita, 54 (6) 913-934 doi:10.1007/s00126-018-0853-x | Journal (article/letter/editorial) | | sulfides in the southern IPB. The Sotiel-Migollas mine Sotiel-Migollas is one of the largest clusters of...underground mine for the production of pyrite and copper. In Miner Deposita 1905, the mine was sold to...Re-evaluation started in the 1960’s and, in 1980, the mine reopened by the state-owned Minas de Almagrera S...concentrates and hydrosulfuric acid. In 1997, the mine was privatized and sold to Navan Resources, which...bankruptcy of the company and the mine closure. In early 2015, MATSA reopened the mine, and is still active today |  | | Journal (article/letter/editorial) | | mineralization in the Otavi Mountain Land, Northern Namibia—a review and regional interpretation A.F. Kamona...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...Neoproterozoic Damara mobile belt in northern Namibia (Fig. 1). The northern part of the metallogenic...of the Tsumeb Subgroup is the same in northern Namibia (Table 1). However, the Mulden Group in the OML |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | Zn, Zambia; 28 = Skorpion, Namibia; 29 = Berg Aukas and Abendab, Namibia; 30 = Padaeng (Mae Sot), Thailand;... In extremely arid climates, such as those in Namibia (Tsumeb deposit: Lombaard et al., 1986; Hughes...exist of tonnages and grades that can be cited Namibia Poland Silesian Crakow district Skorpion Spain...dolostone by smithsonite with minor hematite. Tucson mine, Leadville district, Colorado, United States. b...Massive smithsonite replacing limestone. Wolftone mine, Colorado, United States. c. Coarsely crystalline |  | | Journal (article/letter/editorial) | | amounts of chalcopyrite and sphalerite and minor pyrrhotite and galena. In many deposits massive sulphides...alteration zone) to produce pyrrhotite and therefore zonation from copper-rich pyrrhotite stringer ore to pyritic...sulphide rocks contain both primary pyrite and pyrrhotite, sphalerite, ehalcopyrite and galena. Metal zonation... g. Aggeneys and Gamsberg, South Africa; and Rosh Pinah, South West Africa; Stumpfl, 1977) or iron (e...alteration) the more abundant sphalerite and pyrrhotite become at the expense of chalcopyrite and pyrite |  | | Book | | 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...showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure 4 |  | | Journal (article/letter/editorial) | | at −100 mm were taken by the owner (Yushui Copper Mine, Meizhou, China) and provided to the State Key Laboratory...Betekhtinite Stromeyerite Galena Sphalerite Pyrite Pyrrhotite Polydymite 0.001–2.0 0.005–3.5 0.005–0.65 0...included in pyrite, galena, sphalerite, bornite, pyrrhotite, etc. (Figure 2B), or intergrown with each other...chalcopyrite, Py = pyrite, Bn = bornite, Po = pyrrhotite, Tt = Tetrahedrite, Sp = sphalerite, Cc = Chalcocite...chalcopyrite, tennantite, sphalerite, bornite, pyrite, pyrrhotite, etc. (Figure 4A). Galena grains are often intergrown |  | | Journal (article/letter/editorial) | | μm), or accompanied by sulfides (arsenopyrite, pyrrhotite and pyrite) in quartz-carbonate-albite veins...elongated peridotite intrusion in the Serra da Jacobina region, São Francisco Craton, Bahia, Brazil. Gold and...2001). The gold deposits in the Serra de Jacobina region (Bahia) are in a belt of siliciclastic metasedimentary...part of the 1.9 Ga tectonothermal evolution of the region (Teixeira et al., 2001). The emeralds of Carnaíba...Gameleira Cu–Au mineralization in the Serra dos Carajás region (Pará, Brazil) are amphibole- 351 plagioclase-quartz |  | Steeves, Nathan J., Hannington, Mark D., Gemmell, J. Bruce, Green, Darwin, McVeigh, Garfield (2016) The Glacier Creek Cu-Zn VMS Deposit, Southeast Alaska: An Addition to the Alexander Triassic Metallogenic Belt. Economic Geology, 111 (1) 151-178 doi:10.2113/econgeo.111.1.151 | Journal (article/letter/editorial) | | positive Eu anomaly, overlies the massive sulfide. Pyrrhotite and chalcopyrite in stringers constitute the...stratigraphic top and bottom of the lenses in pyrrhotite-rich zones. Galena, tennantite-tetrahedrite,...pyrite, chalcopyrite, and Fe-poor sphalerite. Pyrrhotite, chalcopyrite, and Fe-rich sphalerite occur at...Green (2001). (Fig. 7), and a chalcopyrite, pyrrhotite, and Fe-rich sphalerite stringer zone sits above...tuffaceous rock Resedimented baritic Massive pyrrhotite-rich Massive carbonate-barite Massive barite-rich |  | | Journal (article/letter/editorial) | | the mining of Pb–Zn deposits, including the Gagok mine. All mineral processing circuits consisted of crushing...impurities. In particular, the deposits in the Gagok mine contain various sulfide minerals, such as zinc sulfide...deposit obtained from the Gagok mine in South Korea. The Gagok mine is one of the metal mines in the...Taebaek mining district and the second largest Pb–Zn mine in the country. According to a previous geological...copper were 3.9%, 0.2%, and 0.1%, respectively. This mine has been in a state of temporary shutdown since |  | Edfelt, Åsa, Armstrong, Robin N., Smith, Martin, Martinsson, Olof (2005) Alteration paragenesis and mineral chemistry of the Tjårrojåkka apatite–iron and Cu (-Au) occurrences, Kiruna area, northern Sweden. Mineralium Deposita, 40 (4) 409-434 doi:10.1007/s00126-005-0005-y | Journal (article/letter/editorial) | | related apatite–iron and copper–gold deposits in the region is at Tjårrojåkka, 50 km WSW of Kiruna. The deposits...The most economically significant deposits of the region are the Kiruna and Malmberget apatite–iron and...occurrences and compare them to other deposits in the region and elsewhere in the world. Regional geological...Precambrian bedrock in the northern Norrbotten region includes a ca. 2.8 Ga Archaean granitoid-gneiss...scale in the Kiruna area. Sweden’s largest sulphide mine, Aitik, is situated in the Gällivare area (Fig |  | Li, Dengfeng, Chen, Huayong, Hollings, Pete, Zhang, Li, Sun, Xiaoming, Lu, Wanjiang, Wang, Chengming, Fang, Jing (2018) Isotopic footprints of the giant Precambrian Caixiashan Zn-Pb mineralization system. Precambrian Research, 305. 79-90 doi:10.1016/j.precamres.2017.11.014 | Journal (article/letter/editorial) | | mineralization comprises calcite, dolomite, pyrite and pyrrhotite, with less abundant tremolite and quartz. The...dolomite (i.e., dolomite-marble; Fig. 3g). Small pyrrhotite inclusions locally occur in the sphalerite with...mineral assemblage of stage II-2 is sphalerite + pyrrhotite + dolomite + calcite ± arsenopyrite (Fig. 3i)...pyrite (pyrite 3; Fig. 3k) and encloses anhedral pyrrhotite (Fig. 3l). The major mineral assemblage of stage...stage II-3 comprises galena + pyrite 3 + pyrrhotite + calcite ± dolomite. Modification (~353 Ma)—magmatic-reworking |  | | 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 . . ...........pyritic Zn-Pb-Cu-(Au-Ag) sulphide deposit, Bergslagen region, south-central Sweden . . .......................Ahola Occurrence of gold (electrum) in the Lousal mine, Iberian pyrite belt, Portugal ..................Jingwen Mao & Bernd Lehmann The Omitiomire deposit, Namibia: late tectonic copper emplacement in a Neoproterozoic |
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