 | | Report (issue) | | SURVEY NAMIBIA 1990 Open File Report MRS 12 2 Abstract Niobium-tantalum mineralisation in Namibia occurs...by-products of Tin-mining operations in central Namibia (Uis, Nainais, De Rust). Prominent niobium-tantalum...pegmatites occur in the Tantalite Valley in southern Namibia and have been mined for a long time on a small...Cross - Uis pegmatite belt 2.2.2.1 Strathmore pegmatites 2.2.2.2 Karlowa pegmatites 2.2.2.3 Uis pegmatite...2.2.3.7 Pistelwitz pegmatites 2.2.4 Sandamap - Erongo pegmatite belt 2.2.4.1 Gossow pegmatites 2.2.4 |  | | Field Trip Notes | | the Geological Society & Geological Survey of Namibia II I -· --· ...... ----·----, Editor: M. Niall...the Geological Society & Geological Survey of Namibia -- - -- .. --- ----• • ·- •• -1 · ~. ,. :...DAMARA OROGEN G.LC. Schneider Geological Survey or Namibia, P O Box 2168, Windhoek 1.0 Day 1 - Monday, 22...Company - Uis 5.4 12:30 - 14:00 Lunch at Uis 5.5 14:00 - 17:00 Uis Tin Mine 5.6 Overnight: Uis 32 32 33...Day 6- Saturday, 27 August 1994 6.1 08:00 - 10:00 Uis - Spitzkoppe 6.2 10:00 - 11:30 African Granite Quarry |  | | Journal (article/letter/editorial) | | and Madagascar and within the Damara sequence in Namibia and morcovcr. within the Narnnqualand metamorphic...Mozambique, and Madagascar, and in the Damaran of Namibia (Figure 1). One of the largest, continuous regions...in Africa, is the Namaqualand-Gordonia-Kenhardt region or the Orange River pegmatite belt which is also...pegmatites vary to a great extent from one pegmatite region to another. In some areas lithium silicates are...lithium pegmatites the following may be mentioned: amblygonite-montebrasite and lithiophilite-triphylite series |  | | Report (issue) | | MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA I 1990 Open File Report MRS 05 2 Abstract A...wide variety of semi-precious stones occur in Namibia, namely amazonite, the beryl varieties, chrysocolla...the most important semi-precious stones found in Namibia. The major deposits of these semi-precious stones...Introduction Since the German colonial period Namibia has been well known for the occurrence of semiprecious...throughout Namibia. 1. AMAZONITE The most important occurrences of amazonite in Namibia are those in |  | Keller, Paul, Roda Robles, Encarnación, Pesquera Pérez, Alfonso, Fontan, François (1999) Chemistry, paragenesis and significance of tourmaline in pegmatites of the Southern Tin Belt, central Namibia. Chemical Geology, 158 (3) 203-225 doi:10.1016/s0009-2541(99)00045-5 | Journal (article/letter/editorial) | | in pegmatites of the Southern Tin Belt, central Namibia Paul Keller a , Encarnacion ´ Roda Robles b,) ...distinct belts within the Damara orogen of central Namibia. Many of the pegmatites have been mined extensively...Granitic pegmatites; Mineral chemistry; Central Namibia 1. Introduction The importance of tourmaline for...pegmatites from the Southern Tin belt of central Namibia, examining the petrographic characteristics and...Geology of the pegmatites The geology of central Namibia is dominated by metasedimentary and igneous rocks |  | | Book | | AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 , .,/, loringa tree . Khomas Highland...station Garub near Aus Nature conservation, Erongo 16 Welwitschia, Goboboseb Mountains 17 ....Northwest Region including Damaraland The Central Namib Desertand Escarpment The Spitzkoppen The Erongo Mountains...Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds 44 49 241 254 272 275... Encyclopedia of the Mineralsof Namibia 443 Meteorites in Namibia Bibliography Index Photo credits |  | | Journal (issue) | | today are preny fami liar with specimens from Namibia. Tsumeb produced many world class specimens for...specimens that came out during the 201h century. The Erongo Mountains beca111e well known to collectors during...century and 111ore recently the Kaokoveld area in NW Namibia has received a lot of attention for its spectacular...minerals. What may not be so well known is that Namibia is a mineral rich country with mines scattered...Africa during the past 20 years, in particular, Namibia. He has been after us to make the journey over |  | Ashworth, L., Kinnaird, J.A., Nex, P.A.M., Harris, C., Müller, A.B. (2020) Origin of rare-element-mineralized Damara Belt pegmatites: A geochemical and light stable isotope study. Lithos, 372. 105655pp. doi:10.1016/j.lithos.2020.105655 | Journal (article/letter/editorial) | | leucogranites (SLGs) of the Jo ur Damara Belt, Namibia, although coeval, are variably mineralized and...1979; Kontak and Kyser 2009). The Damara Belt of Namibia provides an ideal na setting in which to study...Geology The northeast-trending Damara Belt in Namibia forms part of the Neoproterozoic Damara Orogen...and south-trending Gariep Belts in Swakopmund, Namibia, which together record successive phases of rifting...SMZ to the CZ, as well as from the interior of Namibia towards the coast (Kinnaird and Nex, 2007), such |  | | Journal (issue) | | werner@lcturbonet.com We were looking over the area NW of the Erongo Mountains, which is a primitive bush area with...quartz, 11 x 5 cm. 20 km NE of Tubusis, Erongo Province, Namibia. Author's collection. (Cont inues on...artisanal diggers mine, 20 km NE of Tubusis, Erongo Province, Namibia. Author's photograph. Fig.2: Looking...artisanal miners have produced NE of Tubusis, Erongo Province, Namibia. Author's photograph. . . . ..,. ...collection. x 3 cm. 20 km NE of Tubusis, Erongo Province, Namibia. Author's These diggers apparently had |  | | 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 |  | Fuchsloch, Warrick, Marais, Timothy, Kinnaird, Judith, Nex, Paul (2019) Characterization of one of Africa's giants: the V1-V2 pegmatite, Uis, Namibia. The Canadian Mineralogist, 57 (5) 737-740 doi:10.3749/canmin.ab00009 | Journal (article/letter/editorial) | | PEGMATITE, UIS, NAMIBIA WARRICK FUCHSLOCH§ AND TIMOTHY MARAIS AfriTin Mining, Namibia. Cnr Harris...pegmatite occurs within the Uis Swarm, Cape Cross-Uis pegmatite belt, Namibia, and represents one of the...layered pegmatites in Southern Africa. The Cape Cross-Uis pegmatite belt has recently been the subject of characterization...pegmatites (Prave 1996, Miller 2008). The Cape Cross-Uis pegmatite belt has been the subject of few previous...during a 30year period from ca. 1960 to 1990, the Uis Tin Mine, operated by ISCOR, was the largest hard |  | | Journal (article/letter/editorial) | | muscovite ^lepidolite series from Karibib pegmatites, Namibia E. RODA1,*, P. KELLER2, A. PESQUERA1 AND F. FONTAN3...Okatjimukuju-Kaliombo portion of the Karibib belt, Namibia. The compositional variations shown by the micas...chemistry, Karibib, Namibia. Introduction IN the Karibib pegmatite belt, west-central Namibia, outcrops of...geological setting The geology of west-central Namibia is dominated by metasedimentary and igneous rocks...tectonic and magmatic differences are developed. this region, a large number of pegmatites occur, some of which |  | | Book | | WINDHOEK ----------- MP mineral perspectives NAMIBIA This current report has been prepared by the Bureau...provide the latest available data and information on Namibia. Comments, revisions, and additional information... Thispublication hasbeencataloged asfollows: Namibia (Mineral pcrspecri vcs) Bibliography: p. 47-55...of Docs. no.: I 28.37/2: 1. Mineral indusrrics-Namibia. I. Coakley, George J. iI ! I l I I TN19... 45 47 Appendix.--Mineral 56 producers of Namibia•••••••••••••••••••••••••••••••••••••••• ILLUSTRATIONS |  | | Journal (article/letter/editorial) | | and the Tantalite Valley pegmatites (southern Namibia) and Large compositional variations through Fe-Mn...Nigeria and many pegmatites in the Damara Belt of Namibia. Trace element concentrations in CGM and other...mineral supply chain due-diligence initiatives in the region and at the Ta (and Sn) smelter level, combined...of their production period (Fetherston, 2004). Namibia Some of the pegmatites in the Tantalite Valley...Historically, the tin pegmatites of Uis were the most important Ta producers in Namibia and represents one of the |  | | Journal (article/letter/editorial) | | poorexposure andthe complicated tectonichistoryof the region,the ageof the mica-defined fabriccan rarelybe determined...moreof tourmaline; BatesandJackson, 1987)andzonesof Namibia (Stevenet al., 1994) hasled to the identificationof...morphology of TOURMALINITE MINERALIZATION, KUISEBFM.,NAMIBIA 120 _ • 140 160 1099 180 200 q. -t. ANGOLA...Fig.4) TOURMALINITEMINERALIZATION, KUISEBFM., NAMIBIA 15øE I km 16OE 50 I NORTHERN + 1101 ZONE...Granodiorite Rb-Sr U-Pb (ZIRCON) WHOLE ROCK AMBLYGONITE Erongo BIOTITE Complex K-FELDSPAR MUSCOVITE |  | Graupner, T., Melcher, F., Gäbler, H.-E., Sitnikova, M., Brätz, H., Bahr, A. (2010) Rare earth element geochemistry of columbite-group minerals: LA-ICP-MS data. Mineralogical Magazine, 74 (4) 691-713 doi:10.1180/minmag.2010.074.4.691 | Journal (article/letter/editorial) | | consideration (e.g. Rongi (Rwanda); Uis (Namibia); Rubikon (Namibia); Hagendorf (Germany)). References...Homestead pegmatite, Tantalite Valley, Namaqualand, Namibia, Neoproterozoic (Kibaran) in age; (2) the Shori...C1 (Tecklenberg) pegmatite, SW of Uis, Cape Cross-Uis belt, Namibia a/b/c columbite-(Fe), tantalite-(Fe)...columbite-(Fe) Kibeke, Pangi, Kivu, DRC Manono, Mwanza region, Katanga, DRC Ruhanga pegmatite, Gatumba district...pegmatite, Namaqualand Com- tantalite-(Mn) plex, Namibia c tantalite-(Mn) columbite-(Mn) tantalite-(Mn) |  | | Journal (article/letter/editorial) | | variations in pegmatites of the cape cross-uis pegmatite belt, namibia Warrick C. Fuchsloch, Paul A.M. Nex...pegmatites of the cape crossuis pegmatite belt, namibia. The address for the corresponding author was captured...VARIATIONS IN PEGMATITES OF THE CAPE CROSS-UIS PEGMATITE BELT, NAMIBIA Warrick C. Fuchslocha*, Paul A.M. Nexb...Granitic pegmatite, Pegmatite classification, Namibia, Damara Orogen, Pegmatite geochemistry, Anatexis...Pan African aged Damara Orogen in Namibia is host to the Cape Cross-Uis pegmatite SC belt, one of several |  | | Report (issue) | | MINISTRY OF MINES Al'TD ENERGY GEOLOGICAL SURVEY NAMIBIA -jl i 1990 ,.1 Open File Report :MRS 09 -~I...MINISTRY OF MINES AND ENERGY GEOLOGICAL SURVEY NAMIBIA 1990 Open File Report MRS 09 2 Abstract A number...number of fluorite deposits occur in Namibia. These belong to the replacement-, vein- and breccia pipe...distributed in various types of deposits throughout Namibia (Figure 1), only a few have so far been exploited...the Otjionamewa area some 25 km northeast of the Uis Tin Mine in Damaraland. Remains of a concentration |  | | Journal (issue) | | Articles Famous mineral localities: The Erongo Mountains, Namibia . . . . . . . . . . . . . . . . . . ....cm, with schorl and feldspar, from the Erongo Mountains, Namibia. Desmond Sacco collection; Bruce Cairncross...on the mineralogical treasures of the Erongo Mountains in Namibia. Uli’s financial support made possible...Rhodesia (Zimbabwe) and Tsumeb, Southwest Africa (Namibia). He had a mini-van-like truck loaded with minerals...SMALE Famous Mineral Localities: g{x Erongo Mountains Namibia Bruce Cairncross Department of Geology |  | | Report (issue) | | manganotantalite crystals from Moolyella, Pilbara region. Simpson Collection, Western Australian Museum.................. 17 Spodumene, petalite, and amblygonite subtypes ................................................................................ 76 Namibia .................................................State and in 1904–05 around Wodgina in the Pilbara region. Over the first 40 years tantalite was mined as...around Dalgaranga, Arthur River, and in the Pilbara region, particularly in the Wodgina area, already have |  | Melcher, Frank, Graupner, Torsten, Gäbler, Hans-Eike, Sitnikova, Maria, Henjes-Kunst, Friedhelm, Oberthür, Thomas, Gerdes, Axel, Dewaele, Stijn (2015) Tantalum–(niobium–tin) mineralisation in African pegmatites and rare metal granites: Constraints from Ta–Nb oxide mineralogy, geochemistry and U–Pb geochronology. Ore Geology Reviews, 64. 667-719 doi:10.1016/j.oregeorev.2013.09.003 | Journal (article/letter/editorial) | | Zimbabwe) 4.3.3. Orange River Pegmatite Belt (Namibia, South Africa) AC 4.3.3.1. Radiometric data 4...Radiometric data 4.4.3.2. Mineralogy 4.4.4. Damara Belt (Namibia) 4.4.4.1. Radiometric data 2 ACCEPTED MANUSCRIPT...Alto-Ligonha Province (Mozambique) 5.4.4. Damara Belt (Namibia) 5.4.5. Older Granites (Nigeria) 5.4.6. Madagascar...and the Tantalite Valley pegmatites (southern Namibia). Large compositional variations through Fe-Mn...Nigeria and some pegmatites in the Damara Belt of Namibia. CGM, AC tapiolite, wodginite and ixiolite accommodate |  | Yin, Rong, Huang, Xiao-Long, Xu, Yi-Gang, Wang, Ru-Cheng, Wang, He, Yuan, Chao, Ma, Qiang, Sun, Xiao-Ming, Chen, Lin-Li (2020) Mineralogical constraints on the magmatic–hydrothermal evolution of rare-elements deposits in the Bailongshan granitic pegmatites, Xinjiang, NW China. Lithos, 352. 105208 doi:10.1016/j.lithos.2019.105208 | Journal (article/letter/editorial) | | Fe, in the pegmatitic melt, re montebrasite–amblygonite may be the major Li phosphate mineral (Černý... The appearance of montebrasite rather than amblygonite illustrates that the melt contained more H2O...2013. Mineralised pegmatites of the Damara Belt, Namibia. Fluid inclusion and geochemical Characteristics...metal pegmatites of the Cape Cross-Uis pegmatite belt, ro Namibia: geology, mineralisation, rubidium-strontium...variations in pegmatites of the Cape Cross-Uis pegmatite belt, Namibia. Lithos 296–299, 79–95. Geisler, T., |  | | Journal (article/letter/editorial) | | the leucophoenicite group from the Kombat nine, Namibia, 2L3 Peacor, D.R., R.C. Rouse, J.H. Ahn: Crystal...Rietveld structure refinement, and 27A!, 29Si, rnd 19f UIS t'Un spectroscopy, 580 R a u d s e p p ,M . , A ...hornblende, 1017 Alunite, 178 Alunogen, 839 Amblygonite, 617 Amphibole, 39, 580, 863 , 879, 949, 1086...ll76 Augite, L2, 1263 Australia alunite, 178 amblygonite,6lT cryptomelane, 429 dani.elsite,401 429 florencite...965 Ni-O-SiO2, 280 Ni2Si04, 280 Nambulite, 230 Namibia, rj.bbeite, 213 Natalyite, 223 Natronambulite, |  | Sánchez-Muñoz, Luis, Müller, Axel, Andrés, Sol López, Martin, Robert F., Modreski, Peter J., de Moura, Odulio J.M. (2017) The P–Fe diagram for K-feldspars: A preliminary approach in the discrimination of pegmatites. Lithos, 272. 116-127 doi:10.1016/j.lithos.2016.10.030 | Journal (article/letter/editorial) | | veins can have up to 2 millimeters wide, leaving region with D microperthitic K-rich feldspars of the...the tin content of pegmatites in western central Namibia. Journal of Geochemical Exploration 34, 1-19. Walker...de Itabira (MG, Brazil); 54. Damara province (Namibia); 55. Namaqualand (South Africa); 56. Kaapvaal...India); 86. Rajasthan belt (India); 87. Nuuk NU region (Greenland); 88. Gardar province (Greenland); 89...Et1317 East Transbaikalia, Russia Beckers mine Namibia Casper mine Beryl 1.6 Lottermoser and Lu (1997) |  | Kesler, Stephen E., Gruber, Paul W., Medina, Pablo A., Keoleian, Gregory A., Everson, Mark P., Wallington, Timothy J. (2012) Global lithium resources: Relative importance of pegmatite, brine and other deposits. Ore Geology Reviews, 48. 55-69 doi:10.1016/j.oregeorev.2012.05.006 | Journal (article/letter/editorial) | | most important lithium mineral in pegmatites, amblygonite (LiAlPO4(F,OH)) is widespread but rarely of economic...lithium minerals found in the Helicon and Rubicon (Namibia), Etta (South Dakota), Harding (New Mexico), and...feldspar, 22% petalite, 1.9% spodumene, 1.3% amblygonite and 0.7% eucryptite (Stilling et al., 2006)....and other pegmatites in the Karibib district of Namibia (Fig. 2) have been mined for lithium, as well as...contain petalite along with some lepidolite and amblygonite (Blackfire Minerals, 2012; Richards, 1986). Maximum |
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