 | | Journal (article/letter/editorial) | | circles). Inset shows location of South West Africa/Namibia. This paper is primarily concerned with those parts...refolded relics. Observations by the writers in the Gorob, Schlesien, Neudamm and Omitara areas {Fig. 4) show...having a generally westward dip is developed in the Gorob area, but becomes progressively more intense from...1979), small-scale examples of which occur south of Gorob {Sawyer, 1978, fig. 5). The sense of thrusting in...over south. The Southern Margin Zone is a wide region characterised by pre-Damaran basement, deformed |  | | 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unpublished.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 |  | | 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...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 |  | | Journal (article/letter/editorial) | | metamorphosed, stratiform sulfide deposit Matchless, Namibia By R. KLEMD,Bremen and M. OKRUSCH,W[irzburg*) With...schichtgebundenen Kupferlagersfiitte Matchless, DamaraOrogen, Namibia, ergeben Temperaturen zwischen 550 und 625 ~ und...stratiform sulfide deposit Matchless, Damara orogen, Namibia, yield temperatures between 550 and 625 ~ and pressure...geological map of the Damara orogen showing the Matchless mine area (modified after ADAMSON TEICHMANN,1986). Phase...amphibolite, and is linked with the smaller Matchless mine amphibolite band (Fig. 1). As is shown in Fig. 2 |  | | Journal (article/letter/editorial) | | deformation in the Matchless massive sulphide deposit, Namibia N.J. Cook!, R. Klemd-, and M. Okrusch' 1 2 Mineralogisches...are consistent with the tectonic history of the region . Investigations concerned with determining the...cupriferous pyrite deposit, 30 km southwest of Windhoek, Namibia, was mined for copper and pyrite from 1970 to 1984... belonging to the Darnara sequence in central Namibia. The amphibolite is interpreted as the sliced-offpart...Miller (1983). The structural relationships in the mine area have been investigated by Finnemore (1978) |  | | Journal (article/letter/editorial) | | particular, two analyses of a sample from the Ore Knob mine, North Carolina (no. 11119/29), yield 6liB values...Elizabeth mine, Vermont Devonian(?) Amphibolite 1, 2 Cu, Zn, Ag Cu, Zn Elizabeth mine, Vermont Pike...Pike Hill mine, Vermont Devonian(?) Devonian(?) Amphibolite Amphibolite 1, 2 2, 3 Cu, Zn Cu, Zn ... Ely mine, Vermont Ore Knob mine, North Carolina Devonian(?) Late Proterozoic Amphibolite Amphibolite...Massachusetts Pb, Zn, Ag Sullivan mine, British Columbia Pb, Zn, Ag Sullivan mine, British Columbia Cu, Co, Au |  | | Journal (article/letter/editorial) | | terranes of Broken Hill, New South Wales, the Gorob mine in Namibia, the Aggeneys district of Namaqualand, and...volumes in Grenville gneisses of the Frontenac Axis region of southeastern Ontario, concluded that “ ... the...Broken Hill, but from the environs of the Aggeneys mine, Namaqualand. Beds 1 and 2 of Table 3 and Figure...volcanic-exhalative pyritic copper–zinc deposit at the Gorob mine, Namibia This sample is characterized by particularly...characteristic of the metamorphosed exhalative lens at the Gorob and associated orebodies, and indeed of many VMS |  | | Journal (article/letter/editorial) | | Salinas, Coronel Murta, Minas Gerais, Southeast Region, Brazil. Arkenstone photo. mentions that beautiful... Similar specimens are attributed to the Meeper mine, Pisgah National Forest, Buncomb County. Kunz (1907)...district, Coronel Murta, Minas Gerais, Southeast Region, Brazil. Arkenstone photo. Figure 4. An example...from a locality described as the Aaron Buchanan mine. Other traditional kyanite specimen localities include...kyanite deposit exploited at the Bluebird or Vitrefax mine in the Cargo Muchacho district, Imperial County |  | | 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...Fluorite showing stepped, cubic crystal faces (Erongo, Namibia, 5.8 cm). hence occurs less commonly. Figure |  | | Journal (article/letter/editorial) | | Granite–Migmatite Complex ŽOGMC., Central Damara Orogen, Namibia, consists of grt- and crd-bearing S-type granites...Migmatites; Partial melting; Proterozoic mobile belt; Namibia 1. Introduction Some models for the origin and...area within Central Zone of the Damara orogen, Namibia. Abbreviations in inset: KZ: Kaoko Zone, NP: Northern...garnet-in, Ž3. staurolite-in, Ž4. kyanite-in, Ž5. cordierite-in, Ž6. andalusite sillimanite, Ž7. sillimanite-in...quartz q H 2 O melt q sillimanite, Ž9. K-feldsparq cordierite-in, Ž10. partial melting due to: biotiteq K-feldsparq |  | JUNG, S., MEZGER, K., MASBERG, P., HOFFER, E., HOERNES, S. (2004) Petrology of an intrusion-related high-grade migmatite: implications for partial melting of metasedimentary rocks and leucosome-forming processes. Journal of Metamorphic Geology, 16 (3) 425-445 doi:10.1111/j.1525-1314.1998.00146.x | Journal (article/letter/editorial) | | high-grade part of the southern Damara orogen, Namibia which is dominated by Al-rich metasedimentary rocks...biotite+sillimanite+garnet+cordierite+hercynite and leucosomes are garnet- and cordierite-bearing. Metamorphic...metasedimentary rocks. Key words: anatexis; migmatite; Namibia; Nd and Sr isotopes; oxygen isotopes; trace elements...occurrence from the Davetsaub area (Damara orogen), Namibia. Field, petrographic and geochemical evidence,...L O G IC A L S E T T IN G The Damara orogen of Namibia is part of the PanAfrican system and is subdivided |  | Jung, S., Hoernes, S., Masberg, P., Hoffer, E. (1999) The Petrogenesis of Some Migmatites and Granites (Central Damara Orogen, Namibia): Evidence for Disequilibrium Melting, Wall-Rock Contamination and Crystal Fractionation. Journal of Petrology, 40 (8) 1241-1269 doi:10.1093/petroj/40.8.1241 | Journal (article/letter/editorial) | | Migmatites and Granites (Central Damara Orogen, Namibia): Evidence for Disequilibrium Melting, Wall-Rock...Granite–Migmatite Complex (OGMC), central Damara orogen, Namibia, consists of restite-rich, grt- and crdbearing...sjung@mpch-mainz.mpg.de KEY WORDS: granites; migmatites; Namibia; partial melting; Proterozoic mobile belt INTRODUCTION...a high proportion of restite phases (garnet, cordierite, xenoliths), their source can be fairly well...central zone of the Proterozoic Damara orogen (Namibia) offers a unique opportunity to study these problems |  | | Journal (article/letter/editorial) | | a classic collisional orogen: The Damara Belt, Namibia Ben Goscombe, David A. Foster, David Gray, Ben...a classic collisional orogen: The Damara Belt, Namibia, (2017), doi: 10.1016/j.gr.2017.07.006 This is...a classic collisional orogen: The Damara Belt, Namibia PT Ben Goscombe1*, David A. Foster2, David Gray3...1). Consequently, the tectonic evolution of this region is crucial to understanding the RI assembly of...in the South Ugab Zone, collected from Dead Sea mine pit at longitude 014.20247º, latitude -21.78435º |  | ZHENG, Y. C., GU, Lianxing, TANG, Xiaoqian, WU, Changzhi, LI, Chunhai, LIU, Sihai (2011) Geology and Geochemistry of Highly Metamorphosed Footwall Alteration Zones in the Hongtoushan Volcanogenic Massive Sulfide Deposit, Liaoning Province, China. Resource Geology, 61 (2) 113-139 doi:10.1111/j.1751-3928.2011.00154.x | Journal (article/letter/editorial) | | terrane, Liaoning Province of NE China. Stratiform cordierite–anthophyllite gneiss (CAG) that occurs hundreds...of the districts for VMS deposits in China. A cordierite- and anthophyllite-rich stratigraphic unit is...laterally far away. However, genesis of this cordierite–anthophyllite unit is still under dispute. Zhang...discordant footwall alteration zone, represented by cordierite–anthophyllite gneiss (CAG) immediately below...been mined Mine shut down Mine shut down Mine shut down Mine shut down Mine shut down Mine shut down |  | | Journal (article/letter/editorial) | | rocks associated with the Gorob massive sulfide prospect Damara Orogen Namibia. Economic Geology 88, 72–90...43–54. Holdaway, M.J., Lee, S.M. 1977. Fe-Mg cordierite stability in high-grade politic rocks based on...investigation of exchange equilibrium in the system cordierite-garnet-biotite. In: Kinetics and Equilibrium...199–239. Ramezani, J., Tucker, R.D. 2003. The Saghand region, central Iran: U-Pb geochronology, petrogenesis...Kalil, S. 1996. Alteration pattern in the Rugs gold mine area, Egypt. Acta Mineralogica Petrographici XXXVII |  | | Journal (article/letter/editorial) | | earthquakes during the 20th century (Ulomov and the GSHAP Region 7 Working Group, 1999; Lee et al., 2003; Buslov... biotite-plagioclase-cordierite, biotite-quartz-plagioclase, biotite-cordierite-plagioclase-quartz, ...biotite-quartz-actinolite, and cordierite-anthophyllite-biotite gneiss (Fig. 6b) were originally terrigenous...maximum); (4) association with high-Mg anthophyllite-cordierite rocks (Fig. 6f, g); (5) simple ore mineralogy...are isoclinally deformed, alternating quartz-cordierite-anthophyllite, actinolite and quartz-mica schists |  | | Book | | papers and 19 geological maps in Western Australia, Namibia and Greenland. Throughout his career, which has...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...Pb-Zn-Cu-Ag-V Deposits of the Otavi Mountain Land, Namibia . . . . . . . . . . . . . . . . . . . . . . . |  | | Journal (article/letter/editorial) | | zircon population that reflects ages in the source region to the migmatite protolith. Detrital zircon from...insights into the composition and evolution of this region, enabling better correlations with surrounding...preserved as alternating bt- and hbl-rich bands. Cordierite is partially to completely pinitized and sericitized...of upper amphibolite – sub-granulite facies. Cordierite porphyroblasts occur as knots up 1 cm in diameter...rarely, as randomly oriented fibrolites replacing cordierite. Sporadic very fine grained crystals of green |  | | Book | | systematically present the geology of each country, region and continent on Earth. Each book aims to provide...(Gariep Belt) cropping out in the western borders of Namibia and South Africa. They were split up in the Mesozoic...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 |  | | Book | | museum quality but many minerals can be found on mine dumps or can be purchased or traded. After introducing...may be a useful clue to identity. Minerals like cordierite, alexandrite, and chrysoberyl show three distinct...over its beer: to go underground in a non-working mine is sheer folly unless you are accompanied by someone...(preferably several people) who really knows the mine. Before venturing into the field serious collectors...really is a matter of life or death when you are in a mine - only a plan will show where water on the floor |  | | Book | | colour when held up to the light and rotated, eg cordierite and zoisite tanzanite. Such minerals are called...numerous microscopic inclusions, such as opal and cordierite. Pearly lustre - typical of transparent or semitransparent...change of colour may be seen by the naked eye, eg cordierite and tourmaline. In the majority of minerals,...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Mach6w (Poland), Karakum Desert and Volgaland...(217), marcasite (437) • Occurrence: common; Clay region in Alabama (USA); Harz (GDR), FRG, Botogol deposit | | | Book | | illustrated Encyclopedi of the World’s Rocks and Mine re L A R E N MI OF THE WORLD Rudolf Duda and...colour when held up to the light and rotated, eg cordierite and zoisite tanzanite. Such minerals are called...numerous microscopic inclusions, such as opal and cordierite. Pearly lustre — typical of transparent or semitransparent...change of colour may be seen by the naked eye, eg cordierite and tourmaline. In the majority of minerals,...deposits in Texas and Louisiana (USA), Tarnobrzeg region and Machow (Poland), Karakum Desert and Volgaland |  | | Book (edition) | | Linopolis, Brazil, H Page 13: Gold, 35 mm.Eagle's est Mine, California, G Publi!>hed by Grdllit.u.o. Stefanikova43...abbreviated, e.g. canton (Switzerland), vilayet (Turkey), region (Chile), kray and oblast (Russia). The country...by Mobutu, and is now the Katanga administrative region again. The former Kivu province is now divided...United States or of the Upper Silesian historical region in Poland, where the importance of ore-bearing...Rice, Dolores co., both Colorado, at the Questa mine, Taos co., New 1994. Abernathyite K2[(UOJ 2l(AsO_J2]•6HzO |  | | Book | | localities for good ilmenite crystals exist in the region (Brunet, I 977b ). NEW YORK Amity, Orange County...Springfield show ( 1995: 582). Madawaska [Faraday] mine near Bow Lake, Hastings County. Some of the world's...property of, the old Madawaska uranium mine (called the Faraday mine before 1964). The mineral assemblage...Cowgill, 1977). LATINAMERICA BRAZIL Jacupiranga mine, Sao Paulo. Among the crystallized minerals in the...in Switzerland, it is only in the Maderanertal region of east-central Canton Uri that clefts bearing |  | | 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 |
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