 | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA 1991 Open File Report l\ffi.S 31 2 Abstract Germanium...epigenetic ore bodies of Tsumeb, Kombat and Abenab. The Tsumeb Mine produced germanium in 1922 and from...2. Occurrences 2.1. Germanium 2.1.1. The Tsumeb Mine 2.1.2. Other occurrences 2.2. Gallium 3. References...germanium and gallium, occur in Namibia. These are known as the Tsumeb, Kombat and Abenab Mines (Fig. 1)....The Tsumeb Mine The only mine in Namibia that has ever produced germanium is the Tsumeb Mine. A comprehensive |  | | 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unpublished.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 |  | | Journal (issue) | | by R. Z. Kothavala Rare minerals of the Kombat mine, Namibia ................................ 421 by....439 by S. Petrussenko Minerals of the Beltana mine, Puttapa, South A ustralia 449 by P. Elliot Columns...ichigan 49930 (906) 482-9560 Michigan native copper; mine owner; wholesale, retail 411 Museum o f Geological...stilbite on the specimens were typical of that region. Bill Birch (1977) similarly encountered cavansite...striking a deal with the quarry owner for the rights to mine specimens. Sparse sprays of cavansite encountered |  | Chukanov, Nikita V., Zubkova, Natalia V., JanÄev, Simeon, Pekov, Igor V., Ermolaeva, Vera N., Varlamov, Dmitry A., Belakovskiy, Dmitriy I., Britvin, Sergey N. (2020) Zinc-rich and copper-bearing amphiboles from sulfide-free ore occurrences of the Pelagonian Massif, Republic of North Macedonia. Mineralogy and Petrology, 114 (2) 129-140 doi:10.1007/s00710-020-00694-z | Journal (article/letter/editorial) | | Russian Academy of Sciences, Chernogolovka, Moscow Region 142432, Russia 2 Faculty of Geology, Moscow State...Experimental Mineralogy, Chernogolovka, Moscow Region 142432, Russia 5 Petrography, Mineralogy and...Cu-enriched silicates (pyroxenes, amphiboles, micas, talc, and epidote-supergroup minerals including Pb- and...variable amounts of baryte, Zn-enriched silicates (talc, aegirine-augite, magnesioriebeckite and ferri-winchite)...with subordinate albite, Zn-containing silicates (talc, phlogopite, magnesio-riebeckite, ferri-barroisite |  | | Journal (article/letter/editorial) | | Comparisons are madewith other mineral depositssuchas Kombat(Namibia)and Franklin Furnace(New Jersey)which alsomay...Complexinliers and to the north of the 25 Ăž parallel, talc, tremolite, chlorite, and seapolitein the siliceous...Cu-Pbdepositof Kombat,Namibia (Innes and Chaplin, 1986). The mineralizationat Kombat is of particular... R. C., 1986, Ore bodiesof the Kombat mine, South West Africa/Namibia, in Anhaeusser,C. R., and Maske... v. 19, p. 1- 1988, Defernite from the Kombat mine, Namibia: A second occurrence, structure refinement |  | | Journal (article/letter/editorial) | | Sweden; and some orebodies in the Combat deposit in Namibia (Innes and Chaplin, 1986; Dunn, 1991). The metasomatic...zincochromite) and contains substantial amounts of Zn-bearing talc, baryte, and zircon. Another hydrothermally altered...and accessory baryte, quartz, dolomite, Zn-bearing talc, Mn-dominated analogue of plumboferrite, hydroxycalcioromĂ©ite...with (2) baryte, (3) zincohögbomite, (4) Zn-bearing talc, (5) quartz, and (6) dolomite. Sample R-11-7-1....in association with (3) tilasite, (4) Zn-bearing talc, (5) magnesioriebeckite and (6) braunite. Sample |  | | Catalog/List | | brown blades quite richly distributed in Kombat Pit, Otavi Hausmannite ~ountain_s.Namibia .. . Pinkish-brown...lxl ÂŁ8 rich orange coatiing on matrix Moon Anchor Mine,Maricopa Âœ" ÂŁ5 Pb Zn CrO SiO F County,_ Arizona...Violet micro crystals on I cm white matrix Fuka Mine. Oicchu-cho, 1cm ÂŁ8 Ca y11 ~ Q~l__. __ . .. ~a\Vll~mi~gu...Greenish-yellow . relatively rich coating on Moon Anchor Mine. Mariposa 5mm ÂŁ4 I cm ÂŁ8 . _P~_Cu_qll(As__~) 011...Russia Âœ" ÂŁ7 K Mn Nb Ti SiO OOH -- - ----Lucky Cuss Mine, lxl ÂŁ8 lx2 ÂŁ20 479 QUEITITE Many small white blades |  | | Journal (article/letter/editorial) | | Osborne mine, IOCG-style CuâAu deposit in Queensland, Australia. The history of the Osborne mine discovery...open cut kaolin mine in the south, and a currentlyoperating small-scale copper mine in the north. The...operated mines such as Kombat mine, Tschudi mine and Tsumeb mine. Kombat mine was closed in 2008 and...5 Mt at 2.46% Cu, 1.6% Pb and 18 g/t Ag. Tschudi mine, whose open pit mining started in 2014 with the...arenite of Tschudi Formation (Figure 8). Tsumeb mine, which had been mined from 1897 to 1996 with its |  | | Journal (article/letter/editorial) | | contrast w i t h t h o s e in t h e n o r t h (Otavi District) w h i c h Martin t e r m e d m i o g e...circles). Inset shows location of South West Africa/Namibia. This paper is primarily concerned with those parts...contacts are gradational. The Swakop Group (or Otavi Group in the north) rocks overlap Nosib Group rocks...n e , sandstone shale quartzite, conglomerate Kombat Tschudi Group Subgroup Formation Unconformity...conglomerate, quartzite, itibarite, shale Discordance Otavi Abenab (2000) Discordance Auros dolomite, limestone |  | | Journal (issue) | | Articles Mineralogy and paragenesis of the Little Three mine pegmatites, Ramona district, San Diego County, California...plus an interesting range o f rare species. The mine, first opened in 1903, continues to produce fine...fine specimens. T INTRODUCTION The Little Three mine is one of several mines located on the Little Three...Ramona district, San Diego County, California. This mine, strictly speaking, is developed in the Little Three...state o f Minas Gerais, Brazil, and St. A nneâs mine, Karoi district, Zimbabwe. Fine specimens of dark |  | | Journal (article/letter/editorial) | | diamictite (equivalent to the Varianto/Brazil and Chuos/Namibia diamictites), and conformably overlie rocks of...volcanism of the Askevold Formation (Nosib Group, Namibia). A gradational lithological transition between...Cailteux). â Deceased. 700-km-long and 50-km-wide region from the Mwinilunga district in northwestern Zambia...in the Chuos Formation, west of the Otavi Mountain Land in Namibia, which have minimum ages of 746 ± 2...intertidal-type dolomites, and irregularly bedded, talc-bearing dolomites that contain traces of microfossils |  | | Journal (article/letter/editorial) | | Pinah Formation in the Gariep Belt in southwestern Namibia, a post-glacial carbonate that hosts syn-sedimentary...Member; (iv) carbonates from the Otavi platform in northern Namibia, which include both an older post-glacial...Gariep Belt, the Port Nolloth Zone, in southwestern Namibia and western South Africa (Fig. 3). This part of...that indicate deposition in a seismically active region, probably the principal growth fault along the...post-Ghaub Keilberg Member (Maieberg Formation) in the Otavi platform (Hoffman and Halverson, 2008). The Bloeddrif |  | Siidra, Oleg, Charkin, Dmitri, Plokhikh, Igor, Nazarchuk, Evgeny, Holzheid, Astrid, Akimov, Georgy (2020) Expanding Family of Litharge-Derived Sulfate Minerals and Synthetic Compounds: Preparation and Crystal Structures of [Bi2CuO3]SO4 and [Ln2O2]SO4 (Ln = Dy and Ho) Minerals, 10 (10) 887 doi:10.3390/min10100887 | Journal (article/letter/editorial) | | placed into the center of a 1/2-inch piston cylinder talcâPyrex assembly. The pressure increased for 5 min...V5+ (O8.5 0.5 )Cl2 , a new mineral from Kombat mine, Namibia. Can. Mineral. 2018, 56, 159â165. [CrossRef]...Si,Mo,As)O4 ]4 Cl9 , a new mineral from the Kombat mine and structural classification of layered lead |  | | Journal (article/letter/editorial) | | 2) are isomorphic. Nambulite from the Funakozawa mine, Iwate, Japan, was first defined as a new species...crystal structure of nambulite from the Funakozawa mine and emphasized its close relation to that of babingtonite...discovered as an independent mineral from the Tanohata mine, Iwate, Japan (Matsubara et al. 1985). Mukhopadhyay...from the Kombat mine, Namibia (von Knorring et al. 1978; Dunn 1991), from the Cerchiara mine, Italy (Balestra... nambulite was discovered from the Fianel Fe-Mn mine, Val Ferrera, GraubĂŒnden, Switzerland (Nagashima |  | Kitt, Shawn, Kisters, Alexander, Steven, Nick, Maiden, Ken, Hartmann, Karl (2016) Shear-zone hosted copper mineralisation of the Omitiomire deposit â Structural controls of fluid flow and mineralisation during subduction accretion in the Pan-African Damara Belt of Namibia. Ore Geology Reviews, 75. 1-15 doi:10.1016/j.oregeorev.2015.10.035 | Journal (article/letter/editorial) | | subduction accretion in the Pan-African Damara Belt of Namibia Shawn Kitt a,â, Alexander Kisters a, Nick Steven...South Africa Rockwater Consulting Namibia, PO Box 27344, Windhoek, Namibia c International Base Metals Limited...Explorations, PO Box 81136, Olympia, Windhoek, Namibia b a r t i c l e i n f o Article history: Received...discovery in the Pan-African Damara Belt of central Namibia. The deposit is situated in Mesoproterozoic gneisses...deposits hosted by basement gneisses in the Domes Region of the LuïŹlian Arc in Zambia. © 2015 Elsevier B |  | | Journal (issue) | | US A 5 News from Switzerlan d 6-8 The PC crystal Mine, Basin, Montan a 9-10/12 The A .Y . and Minnie Mines...Post-mining minerals of Tynebotto m Mine, Cumbria (GB ) 24-27 Levant mine (GB ) 27 Smallcleugh melanterite...(Cumbria, GB ) 28-32 Microminerals from Dyfngwm Mine (GB) Mineralienfreund 25(1), 03 .8 7 1-9 Lightning...04 .8 7 7-9 Ilvai t 11-14 Dioptas-Mine " Omaue " , Kaoko-Veld (Namibia ) 15-19/34 Das brennen von Saphire...Ribbeite, a polymorph of allegha nyite from the Kombat mine, Namibi a 217-221 Wendwilsonite, the Mg-analogue |  | | Journal (article/letter/editorial) | | atlas refers to 6 villages under this name in this region of China, but none of them is situated at the distance...Abbreviations: (Dst.) district, area; (Co.) county; (m.) mine; (Mf.) massif; (Q.) quarry; (N) north, northern...\\1958lusungite;âŠ1987althupite 7 â Kombat \ (19°42`N, 17°42`E), ~50 km S of Tsumeb, Namibia \\1986kombatite;âŠ1990...\\1914metahewettite (Jo Dandy Claim);âŠ1962hendersonite (J. J. mine) 4 â Pitigliano \ (42°37`N, 11°39`E), Grosseto,...Republic \\1820cronstedtite;âŠ1990znucalite (Lill mine) 6 â Rapid Creek \(point A: 68°33`N, 136°47`W; point |  | | 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 (issue) | | v/Dec2023 1. 98, No.6 - - - - - - - - ROCKS & MINE $12.95US $12.95CAN IIUJ ., . vww.tandfonlirie...tandfonlirie .com/vram MIM MUSEUM Vesuvianite Jeffrey Mine. Val-des-Sources. Les Sources RCM, Es t rie, Quebec... Figure 16. Chalcocite, 12 cm across, Bristol Copper mine, Bristol, Hartford County, Connecticut; mim specimen...Figure 14. Stibiotantalite, 4.5 cm tall, Urandu mine, Shigar Valley, Shigar district, Gilgit-Baltistan...photo. Figure 15. Legrandite, 19 cm tall, Ojuela mine, Mapimi, Mapimi Municipality, Durango, Mexico; |  | | Journal (issue) | | Westcott copper mine, comprised three separate collecting sites in two short adits and the mine dump. Nearby...Nearby was the Badger Level section of the Huglith mine complex, which was our other location. We were too...a layby in the forestry surrounding the Huglith mine. When we did so later in the day there were some...more interesting of the. sites at the âąWestcott mine, though a few good finds were made in the two ad...âą âą âą, :. âą I Originally started as a copper mine in the latter part of the 1800s, the workin·gs at |  | | Book (edition) | | 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.,...internal reflections); Madenköy Mine, Ăayeli, Rize Province, Black Sea Region, Turkey (sample: Halbach); XPL...argentite reaction rim (greenish grey; arg); Monte Narba Mine, San Vito, Cagliari Province, Sardinia, Italy; PPL... Taymyrskiy Autonomous Okrug, Eastern-Siberian Region, Russia (sample: Melcher/OberthĂŒr); PPL D Fine-grained |  | | Journal (issue) | | een dubbelslag ! 20.15 h "De Sitio do Castelo Mine (Folgosinho groeve) in Portugal" Etienne Mans ...werden opgezet. Zo bestond de uitbater van de Savage Mine het ooit om zijn voltallige ploeg kompels gedurende...verhaal over edelmetaal - met name de Round Mountain Mine in Nye County (8 pp). Hier werd goud op beperkte...dubbele zal zijn dan die van California. De Meikle Mine in het noordoosten (6 pp) is naast goud (u had toch...grunnstoffer fra norske mineraler 36-43 Trip Report frĂ„n Namibia turen 2012 44-46 Aragonitt fra Tuften, Tvedalen |  | CĂĄmara, Fernando, Bittarello, Erica, Ciriotti, Marco E., Nestola, Fabrizio, Radica, Francesco, Marchesini, Marco (2015) As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: II. Braccoite, NaMn2+5 [Si5AsO17(OH)](OH), description and crystal structure. Mineralogical Magazine, 79 (1) 171-189 doi:10.1180/minmag.2015.079.1.14 | Journal (article/letter/editorial) | | 171â189 As-bearing new mineral species from Valletta mine, Maira Valley, Piedmont, Italy: II. Braccoite, NaMn2+...[Si5AsO17(OH)](OH), has been discovered in the Valletta mine dumps, in Maira Valley, Cuneo province, Piedmont...mineralogical variety, the small dump of the old Valletta mine one of the richest Italian deposits of arsenate...phlogopite, rancieÌite, richterite, rutile, rhodonite, talc, tetrahedrite, titanite and some other unknown phases...descriptions of As-bearing minerals from Valletta mine (CaÌmara et al., 2014). The sample containing braccoite |  | | Book | | papers and 19 geological maps in Western Australia, Namibia and Greenland. Throughout his career, which has.... . . . . . . . . . 2.10.2 Serpentinisation and Talc-Carbonate Alteration . . . . . . 2.10.3 Hematitisation...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 |
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