 | 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...premetamorphic and predeformation origin. In contrast, the Skorpion nonsulfide zinc deposit is of postmetamorphic |  | | 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...major economic base metal deposits at Rosh Pinah and Skorpion. It is characterised by the presence of...failed intracratonic rift graben in the east (Rosh Pinah Graben) that was separated by a basement horst |  | | Journal (article/letter/editorial) | | rifting phase. While the eastern rift graben (Rosh Pinah Graben) failed, a half graben to the west evolved...growth fault along the eastern boundary of the Rosh Pinah Graben. These rocks are interpreted as representing...high (Aurus horst) that separated the failed Rosh Pinah Graben in the east from the proper Gariep Basin...9%0. Bimodal, predominantly felsic, volcanism (Rosh Pinah Formation), dated by the above mentioned single...Ocean Chameis Sub-terrane (oceanic island) Oranjemund Sub-terrane (sub-basin) IW I Port Nolloth Zone |  | | Report (chapter) | | formations, Port Nolloth Group, in South Africa and Namibia HARTWIG E. FRIMMEL1,2 1 Department of Geological...Pan-African Gariep Belt (Port Nolloth Zone) in southern Namibia and western South Africa. It contains two glaciogenic...Formations are exposed at several sites in southernmost Namibia and in the adjoining part of South Africa (Fig...from Lüderitz in Namibia, across the Orange River to the western Richtersveld region of the Northern Cape...NW –SE trending thrust fault system, with the Rosh Pinah Fault being a good example. Along those faults |  | | Catalog/List | | 4 TINZENITE rich, orange mass on quartz Cassagna Mine, Liguria Italy 2 x 2.5cm £7 7 "MOHAWKITE" a burnjshed...surface . good coverage about 1.5mm thick Cassagna Mine, Ne ,Graveglia Valley, Liguria Italy, I collected...crystals over most of the surface Sefrou, Fes-meknes region Morocco £25 26 BANALSITE brown massive with some...some reddish hematite areas 6x3.5x2cm Benallt Mine , Rhiw, Llyen North Wales £20 28 OLIVINE "bomb" green...remarkably solid piece for this species Erongo region Namibia 6x5 £25 37 P AL YGORSKITE very light weight |  | | Journal (article/letter/editorial) | | Subterrane of the Marmora Terrane in the Gariep Belt, Namibia/South Africa shows that these rocks are compositionally...Uruguay), the Marmora Terrane (western Gariep Belt, Namibia) and the Malmesbury Terrane (western Saldania Belt...Uruguay and the Marmora Terrane in southwestern Namibia and South Africa are related to each other and...27°S Namibia RSA Chameis Bay Phanerozoic cover Rosh Pinah 28°S GBT 29°S O R. Oranjemund Subterrane...metabasic rocks of the bimodal, rift-related Rosh Pinah Formation that was dated at 752 ± 6 Ma (Borg |  | | Journal (article/letter/editorial) | | sediment-hosted Rosh Pinah Zn-Pb-Ag deposit in the Pan African Gariep Belt, southwestern Namibia Abraham Rozendaal...ABSTRACT Limitations on the life-of-mine of the sediment-hosted Rosh Pinah deposit urged exploration for extensions...from detailed lithogeochemical traverses on the C Mine and Eastern Orefield, coupled with mineralogical...of a large (n > 400) multielement data set of the mine area, showed that the extent of wall rock alteration...Indices devised for the various lithologies of the Rosh Pinah deposit, such as the Barium Alteration Index |  | | 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...HOLMQUISTlTE grey-black radiating crystal on silvery schist Fun Yun, Xin Jiang China 2x2 inch £20 13. KAINOSITE...micro crystals on l xl .5 inch matrix Schoeller Mine Kladno. Czech Republic . a 15. KTENASITE blue |  | | 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 |  | 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)... 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...Massive smithsonite replacing limestone. Wolftone mine, Colorado, United States. c. Coarsely crystalline |  | | 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 (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 |  | | Journal (article/letter/editorial) | | rocks of the c. 750 Ma Rosh Pinah Formation in the Gariep Belt in southwestern Namibia, a post-glacial carbonate...carbonates from the Otavi platform in northern Namibia, which include both an older post-glacial carbonate...Cryogenian carbonates in the Gariep Belt The Rosh Pinah Formation forms part of the Hilda Subgroup in...Gariep Belt, the Port Nolloth Zone, in southwestern Namibia and western South Africa (Fig. 3). This part of...fall during which an eastern failed graben, the Rosh Pinah Graben, became separated from a western half-graben |  | | 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) | | the mineralization is a quartz-chlorite-magnetite schist, which results from the deformation and hydrothermal...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...the Serra de Jacobina, are mainly in phlogopite-schist bands that were formed by metasomatic reaction |  | | Journal (article/letter/editorial) | | Marinoan glaciation of Australia, Laurentia, northern Namibia and South China (e.g., Hoffmann et al., 2004; Condon...limestone, dolostone, metagreywacke and graphitic schist, which rest unconformably above high-grade metamorphic...correlative of the lower to middle Nama Group in Namibia and represents the fill of a southern sub-basin...thin quartz pebble beds, diamictite and biotite schist, and an upper meta-arenite. Fig. 3. Stratigraphic...basement-derived gneiss, quartzite, vein quartz and biotite schist within a biotite-rich metamorphosed matrix. In |  | | 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 |  | Will, T.M., Gaucher, C., Ling, X.-X., Li, X.-H., Li, Q.-L., Frimmel, H.E. (2019) Neoproterozoic magmatic and metamorphic events in the Cuchilla Dionisio Terrane, Uruguay, and possible correlations across the South Atlantic. Precambrian Research, 320. 303-322 doi:10.1016/j.precamres.2018.11.004 | Journal (article/letter/editorial) | | Dionisio Terrane and the Coastal Terrane in northwest Namibia have the same Hf isotope evolution trend 3 ABSTRACT...the Marmora and Malmesbury terranes in southern Namibia and South Africa (Fig. 1) led to the suggestion...Coastal Terrane of the Kaoko Belt in northern Namibia and possibly the Mar del Plata Terrane (Rapela...al., 2001), the Aurus Mountains in southwestern Namibia (~840 Ma; Thomas et al., 2016) and the extension-related...syn-rift within-plate felsic volcanic rocks of the Rosh Pinah Formation in the Gariep Belt. Further north in |  | Foster, David A., Goscombe, Ben D., Newstead, Brittany, Mapani, Ben, Mueller, Paul A., Gregory, Laura C., Muvangua, Ewereth (2015) U–Pb age and Lu–Hf isotopic data of detrital zircons from the Neoproterozoic Damara Sequence: Implications for Congo and Kalahari before Gondwana. Gondwana Research, 28 (1) 179-190 doi:10.1016/j.gr.2014.04.011 | Journal (article/letter/editorial) | | 3Department of Geology, MA University of Namibia, Windhoek, Namibia, 4School of Earth and Environment, University...Geological Survey of Abstract TE D Namibia, Windhoek, Namibia AC CE P The proximity of the Congo...basin (molasse) deposits of northern and southern Namibia, respectively (Miller, 1983, 2008; Prave, 1996;...turbidite sequence is metamorphosed to form the Kuiseb schist and subdivided into two structural-metamorphic...Nosib PT rhyolites of the Congo margin and the Rosh Pinah volcanics of the Kalahari margin (Frimmel and |  | | Journal (article/letter/editorial) | | metasomatism and gold mineralisation at Plutonic gold mine, Marymia Inlier, Western Australia—M.F. Gazley,...supergene minerals from the Skorpion and Rosh Pinah ore deposits (Namibia): Genetic and paleoclimatic...Christina Yan Wang 152 170 Vol. 173, 2017 Near-mine exploration via soil geochemistry multivariate analysis...2016 A laterite-hosted APS deposit in the Amazon region, Brazil: The physicalchemical regime and environment...of the mafic volcanic rocks of the Buzwagi gold mine in the Neoarchaean Nzega greenstone belt, northern |  | | 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...consisting of granite gneiss with minor amphibolite, schist, quartzite and pegmatite (Arthurs et al., 1995;...arkoses, quartzites, conglomerates, metasiltstone, schist, phyllite and dolomite; and (3) a predominantly |  | | Journal (article/letter/editorial) | | Mineralization Based on Deposits in the Erongo District of Namibia Andy Wilde Centre for Exploration Targeting (CET)...make up the hard-rock alaskite deposits of the region. Transport of uranium is generally assumed to have...material. Deposits in the Erongo District of Namibia. Minerals 2023, 13, 149. Keywords: uranium; surficial;...surficial; mineral systems analysis; Erongo district; Namibia https://doi.org/10.3390/min13020149 Academic Editor:...widely documented and largest deposits occur in Namibia, Australia and Jordan. This review is confined |  | | Journal (article/letter/editorial) | | SW margin of the Congo Craton (Kaoko Belt, NW Namibia) Jiří Konopásek a,b,⁎, Jan Košler a,b, Jiří Sláma...Protolith ages Geochronology Neoproterozoic Kaoko Belt Namibia a b s t r a c t Isotopic dating of detrital zircon...medium- to high-grade part of the Kaoko Belt in Namibia provides first robust constraints on the age of...Punta del Este – Coastal Terrane crust as a source region for the youngest pre-collisional sediments of the...syn-sedimentary volcanics have so far been reported from this region and the age of sedimentation for particular members |  | | 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 |  | Paradis, Suzanne, Simandl, George J., Keevil, Halley, Raudsepp, Mati (2016) Carbonate-Hosted Nonsulfide Pb-Zn Deposits of the Quesnel Lake District, British Columbia, Canada. Economic Geology, 111 (1) 179-198 doi:10.2113/econgeo.111.1.179 | Journal (article/letter/editorial) | | successful development of the Skorpion nonsulfide Zn deposit in Namibia (Borg et al., 2003, 2005; Kärner...contributed to the landforms presently observed in the region, including U-shaped valleys, terraces, eskers,...(Cariboo Group). Bedding trends vary across the region. They strike 240° and dip to the northwest in the...the north in the central and eastern parts of the region (Murrell, 1991; McLeod, 1995). The metapelitic...youngest tectonic structures in the Quesnel Lake region (dextral strike-slip faults and related folds) |
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