 | 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) | | 749–771 Geology of the Skorpion Supergene Zinc Deposit, Southern Namibia GREGOR BORG,† KATRIN KÄRNER...South Africa Abstract The Skorpion zinc deposit in southwestern Namibia comprises a significant nonsulfide...age of 751.9 ± 5.5 Ma. The basin that hosts the Skorpion deposit has been shaped by horst and (half-)graben...style of the region is the result of intense faulting, folding, and thrusting. The Skorpion orebody is...chalcopyrite, and galena as well as secondary chalcocite and colloidal sphalerite (brunckite). The volcanic-hosted |  | | Journal (article/letter/editorial) | | ineral N ames Skorpionite Skorpion Mine Lüderitz District Karas Region Namibia BRUCE CAIRNCROSS S Department...skorpionite scattered on a green tarbuttite matrix, Skorpion Zinc mine; field of view 1.6 cm. Bruce Cairncross specimen...the Skorpion mine 562 ROCKS & MINERALS Figure 2. View of the mining operation at the Skorpion Zinc...Zinc mine ca. 2012. Joanna Wicht photo. Figure 3. Location of the Skorpion Zinc mine in southern Namibia;...cleavage. The mineral is named after the Skorpion Zinc mine where it was discovered, and that is the |  | Arfè, G., Boni, M., Mondillo, N., Aiello, R., Balassone, G., Arseneau, V. (2016) Mineralogy of the supergene alteration in the Capricornio Au–Ag epithermal vein system, Antofagasta region, Chile. Applied Earth Science, 125 (2) 74 doi:10.1080/03717453.2016.1166605 | Journal (article/letter/editorial) | | 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...Capricornio Au–Ag epithermal vein system, Antofagasta region, Chile G. Arfè∗ 1, M. Boni1, N. Mondillo1,2, R...compositions of smithsonite from Skorpion and Rosh Pinah Zn–(Pb) deposits (Namibia): preliminary results G. Arfé1...depth) is underlain by a secondary covellite-chalcocite-bearing zone, which exhibits a variable thickness |  | | Journal (article/letter/editorial) | | 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...Capricornio Au–Ag epithermal vein system, Antofagasta region, Chile G. Arfè∗ 1, M. Boni1, N. Mondillo1,2, R...compositions of smithsonite from Skorpion and Rosh Pinah Zn–(Pb) deposits (Namibia): preliminary results G. Arfé1...depth) is underlain by a secondary covellite-chalcocite-bearing zone, which exhibits a variable thickness |  | | 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 |  | | 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) | | Star Zn, Zambia; 28 = Skorpion, Namibia; 29 = Berg Aukas and Abendab, Namibia; 30 = Padaeng (Mae Sot)...they may be replaced by carbonates, oxides, and chalcocite. As a result, direct-replacement supergene deposits... In extremely arid climates, such as those in Namibia (Tsumeb deposit: Lombaard et al., 1986; Hughes...grades that can be cited Namibia Poland Silesian Crakow district Skorpion Spain Reocin Kazakhstan...dolostone by smithsonite with minor hematite. Tucson mine, Leadville district, Colorado, United States. b |  | | 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 |  | | Journal (issue) | | prism. The border area between South Africa and Namibia had produced excellent, large, green fluorite crystals...Pella. Additional rutile from Khomas Hochland in Namibia was available at Mineralientage 2005 - these first...across.JurgenTron specimen. The Erongo Complex (Namibia) continues to produce excellent specimens. A rough...'skorpionite' from the new Skorpion Mine near Rosh Pinah in Southwest Namibia were offered at the show...smithsonite or tarbuttite. Skorpion Mine is expected to become the world's largest zinc mine, covering 15% of our |  | | 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) | | still work? 6. Examples of “Others” 32 6.1 Skorpion – Everybody’s dream 32 6.2. Deposits in South-Eastern...Accha – real calamine? 6.2.2. Yanque – a “small Skorpion”? 34 35 37 7. Nonsulfide Deposits of Other Metals:...version: vanadates in the Otavi Mountainland (Namibia) 42 8. Discussion and conclusions 43 Acknowledgements...deposits like the famous, silicate-hosted Skorpion (Namibia) are mineralogically challenging, but their...development or advanced exploitation stage include Skorpion (Namibia), Lan Ping (China), Angouran and Mehdiabad |  | | | | comparable amounts as in the world-class Skorpion deposit (Namibia). Cerussite replaced galena and precipitated...hosted in the now-eroded rocks above the Yanque mine site. Zinc-rich solution migrated through the sedimentary...Andahuaylas-Yauri province in southern Peru (Cuzco region) covers an area of approximately 25,000 km2 and...(Carlier et al., 1996; Chávez et al., 1996). The region is characterized by a rugged, mountainous topography...2003). Stratigraphic units in the Andahuaylas-Yauri region consist of Jurassic and Cretaceous sedimentary |  | | Journal (article/letter/editorial) | | comparable amounts as in the world-class Skorpion deposit (Namibia). Cerussite replaced galena and precipitated...hosted in the now-eroded rocks above the Yanque mine site. Zinc-rich solution migrated through the sedimentary...Andahuaylas-Yauri province in southern Peru (Cuzco region) covers an area of approximately 25,000 km2 and...(Carlier et al., 1996; Chávez et al., 1996). The region is characterized by a rugged, mountainous topography...2003). Stratigraphic units in the Andahuaylas-Yauri region consist of Jurassic and Cretaceous sedimentary |  | Poirier, G., Ercit, T. S., Tait, K. T., Piilonen, P. C., Rowe, R. (2009) New Mineral Names. American Mineralogist, 94 (2) 399-408 doi:10.2138/am.2009.538 | Journal (article/letter/editorial) | | cationic groups. Magnesiopascoite is from the Blue Cap mine, near La Sal, San Juan County, Utah, U.S.A. The...687–692. Martyite was discovered in the Blue Cap mine, La Sal, San Juan County, Utah. Associated minerals...composite globules composed mainly of bornite-chalcocite, bornite with trace Ni-Co and Zn sulfides. Platinum...(slightly asymmetric), 1046, 996, 973, 927 cm−1). The region below 650 cm−1 comprises partially overlapped bands...mineral with disordered structure from the Santa Rosa mine, Atacama desert, Chile. Neus Jb. Mineral. Abh., |  | | Journal (article/letter/editorial) | | discovered in 1902, and the sulfides were mined until mine closure in 1994 (Kamona and Friedrich, 2007). During...its lifespan, Kabwe was the most significant Zn-Pb mine in Zambia, with production from the sulfide bodies...Regional geology S90 The rocks underlying the Kabwe region are dominated by Neoproterozoic metasediments which...and relative positions of orebodies on the 850 ft mine level (∼260 m depth from the surface), underlying...three main massive sulfide orebodies in the Kabwe region referred to as No. 1, No. 3/4 and No. 5/6, all |  | | 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 |  | | Journal (article/letter/editorial) | | developed by Anglo-American at the Skorpion zinc SXEW plant in Namibia. The increase in the Zn prices in...oxide projects. Those with metallurgy similar to Skorpion, where † Corresponding author: e-mail, boni@unina...(Beltana, Australia; Vazante, Brazil; Berg Aukas, Namibia, Kabwe, and Star Zinc, Zambia), associated with...Mineralization The Mesozoic and Cenozoic stratigraphy of the region south of Cuzco in Peru (Fig. 2) is chiefly made...of the Peruvian altiplano southeast of the study region, where it is overlain by the volcanic horizons |  | | Book | | (mantovani@usp.br) R.McG. Miller PO Box 11222, Windhoek, Namibia (rmmiller@mweb.com.na) A. Misi Centro de Pesquisa...2004 in São Paulo (Brazil), 2005 in Windhoek (Namibia), 2006 in Punta del Este (Uruguay), 2007 in Stellenbosch...and Numees (Frimmel et al., 2002) formations of Namibia and the Jacadigo Group and Puga Formation of the...thermally subsiding basins, such as in northern Namibia, South Australia and northwestern Canada. The so-called...problematic fossil Otavia in middle Cryogenian rocks in Namibia as a sponge (Brain et al., 2001, 2003, 2008) and |  | | Book (edition) | | Left: Reflection colours of bornite (brown), chalcocite (blue), and pyrite (creme). 2 Reflectance... Hydrothermal Replacements (continued) Right: Chalcocite (bluish grey) irregularly replaces chalcopyrite...stellate forms redbrown strong, red Mineral Chalcocite Selenium, native yes Proustite Tiemannite... Mineral Descriptions Molybdenite in Graphite; Bogala Mine, Sri Lanka 51 Copper, native Synonym(s): Cuivre...deposits, • meteorites not known Azurite, Bornite, Chalcocite, Cuprite, Domeykite, Fe-oxides, Jasper, Malachite |  | | Book (edition) | | Metal : Sulfur, Selenium and Tellurium > 1:1 Chalcocite II/B.01-10 Djurleite II/B.01-20 Digenite II/B...(yellowish white), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(greenish grey), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // Anhedral electrum...(bluish grey shades), quartz (dark grey); New Bullfrog mine, Nye Co., Nevada, USA [h]; Nic. // 8 Gold A ...sample - photo A), dolomite (dark grey); Harstigen Mine, Pajsberg, Filipstad, Värmland, Sweden [j]; Nic |  | | Journal (article/letter/editorial) | | found elsewhere in the Copperbelt. Supergene chalcocite and minor native copper, and minor oxide facies...geometallurgy is not new, but its modern holistic mine value chain application can be considered a critical...provide the practitioner with a means to optimise the mine schedule and metallurgical processes. The geometallurgical...modern trend towards efficient project evaluation, mine optimisation and risk management. With more complex...metallurgical process modelling and to add value to mine planning/optimisation. Geometallurgy should be an |  | Boni, M., Gilg, H. A., Aversa, G., Balassone, G. (2003) The "Calamine" of Southwest Sardinia: Geology, Mineralogy, and Stable Isotope Geochemistry of Supergene Zn Mineralization. Economic Geology, 98 (4) 731-748 doi:10.2113/gsecongeo.98.4.731 | Journal (article/letter/editorial) | | regardless of crystal morphology, position, and mine location (avg. 27.4 ± 0.9‰). This homogeneity points...Shaimerden, Kazakhstan: Boland et al., 2003; Skorpion, Namibia: Borg et al., 2003). In the Iglesiente area...Their characteristics were described in several mine reports (e.g., Münch and Siebdrat, 1960) and their...erosion peneplane developed in the Iglesiente-Sulcis region at this time. This event was followed by deep karstification...rocks are fairly widespread throughout the whole region. Among the former are the marly calcareous sedimentary |  | | Journal (issue) | | cover Vanadinite 3.4 cm, from the North Geronimo mine, La Paz County, Arizona. Dick Morris collection;...custom jewelry. Wulfenite, 5.4 cm, from the Defiance mine near Gleeson, Cochise County, Arizona. Ken Donn...photo. Wulfenite (hot-pink), 3.7 cm, from the Glove mine, Tyndall district, Santa Cruz County, Arizona. Collected...pseudomorph after azurite, 4 cm, from the Inspiration mine, Globe-Miami district, Gila County, Arizona. Ken...Cerussite twins on matrix, 6.5 cm, from the Grand Reef mine, Aravaipa district, Graham County, Arizona. Ken |  | | Journal (issue) | | Minerals of the Kaokoveld District, Kunene Region, Namibia .............................................1 cm, from the Kaokoveld District, Kunene Region, Namibia. Irv Brown specimen; Jeff Scovil photo. See...the best vesuvianite specimens from the Jeffrey mine in Quebec. In this issue we present a review of...Herodsfoot Mine Work Readers who enjoyed Roy Starkey's superb article on the famous Herodsfoot mine in Cornwall...to the old engine house at the North Herodsfoot mine is being cleared of hundreds of tons of accumulated |  | | Journal (article/letter/editorial) | | Minerals of the KABWE MINE (“Broken Hill”) Central Province, Zambia MALCOLM SOUTHWOOD 7 Campbell Court...William Besse. Figure 2. Satellite image of the Kabwe mine site, showing its proximity to urban development...scale. 114 ROCKS & MINERALS Figure 3. The Kabwe mine site, partially derelict. Michael Brook photo, 2004...found. During a 1929 field excursion to the Kabwe mine, Pelletier (1929, p. 15) made the following remarks:...Zambian independence, in 1964, the name of both the mine and the town that had grown up around it was changed |
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