 | | Journal (article/letter/editorial) | | Stadler 1947). The mineral occurs in quartz-sillimanite veins associated with stanniferous pegmatites...crystals, one in matrix, from the Three Aloes mine, Namibia. Collected in 2011. The single crystal is 8 mm...contain ferronigerite-2N1S crystals in quartz-sillimanite veins, two of which are particularly productive...consists of albitized microcline-quartz with quartz-sillimanite margins that contain disseminated ferronigerite-2N1S...Plateau (fig. 2), located in the Plateau State. This region has been a productive source of alluvial and elluvial |  | JUNG, S., BERNDT, J., STRACKE, A., HAUFF, F., KASTEK, N. (2014) ANATEXIS OF JUVENILE MAFIC TO INTERMEDIATE CRUST -CONSTRAINTS FROM MAJOR AND TRACE ELEMENT AND SR, ND, PB ISOTOPES OF DIORITES TO GRANITES (DAMARA OROGEN, NAMBIA) South African Journal of Geology, 117 (1) 149-171 doi:10.2113/gssajg.117.1.149 | Journal (article/letter/editorial) | | South Africa ABSTRACT The Tsomtsaub pluton (central Damara orogen, Namibia) consists of quartz diorites...the Northern Central Zone of the Damara orogen, Namibia. Isograd map (Hartmann et al., 1983) gives the...(5) cordierite-in; (6) andalusite ↔ sillimanite; (7) sillimanite-in according to staurolite breakdown;...muscovite + plagioclase + quartz + H2O ↔ melt + sillimanite; (9) K-feldspar+cordierite-in; (10) partial melting...the associated plutonism of the Damara orogen of Namibia, is related to subduction-zone processes. The paucity |  | | 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...pegmatites 2.2 3.2 Aubinhonis pegmatites 2.2 3.3 Tsomtsaub pegmatites 2.2.3.4 Paukuab pegmatites 2.2.3.5...2.2.3.7 Pistelwitz pegmatites 2.2.4 Sandamap - Erongo pegmatite belt 2.2.4.1 Gossow pegmatites 2.2.4 |  | | Journal (issue) | | ........................pg. 3 Actinolite from Namibia by Justin Zzyzx .................................we bring you eleven articles about locations in Namibia that do not receive much publicity. It is easy...deposits such as Tsumeb, the Brandberg region and the Erongo Mountains. Alpine clefts, huge soda can...Mountains, located in the southwestern part of central Namibia. The Gamsberg Mountain is the most important landmark...Fluorapatite Fluorapatite is quite rare from the region but can be found as complex, colorless crystals |  | | Journal (article/letter/editorial) | | from the abandoned tin mine of Tsomtsaub, between Omaruru and Uis in Namibia have been reinvestigated chemically...At both localities nigerite occurs in quartz-sillimanite rocks associated with pegmatites. Both nigerites...70(7) wt.% Li2O for nigerite from Nigeria and Namibia, respectively. Associated gahnite in the Nigerian...detected. Nigeria Nigeria Nigeria Nigeria Namibia Namibia spinel Esd’s nigerite Esd’s nigerite Esd’s...Germany. At the type locality nigerite occurs in a sillimanite-quartz rock associated with a cassiterite-bearing |  | | 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 (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...Zimbabwe. 6. Bikita. Zimbabwe; 7. Karibib area. Namibia; 8. Noumas. Namaqualand. South Alrica: 9. Muianc |  | Stammeier, J., Jung, S., Romer, R.L., Berndt, J., Garbe-Schönberg, D. (2015) Petrology of ferroan alkali-calcic granites: Synorogenic high-temperature melting of undepleted felsic lower crust (Damara orogen, Namibia) Lithos, 224. 114-125 doi:10.1016/j.lithos.2015.03.004 | Journal (article/letter/editorial) | | undepleted felsic lower crust (Damara orogen, Namibia) J. Stammeier, S. Jung, R.L. Romer, J. Berndt,...undepleted felsic lower crust (Damara orogen, Namibia), LITHOS (2015), doi: 10.1016/j.lithos.2015.03...undepleted felsic lower crust (Damara orogen, Namibia) 1 SC R IP Stammeier, J.1*, Jung, S.1, Romer...Ma-old Bloedkoppie granite (Central Damara orogen, Namibia) is a TE D metaluminous to slightly peraluminous...depletion of U relative to Th SC R IP in the source region. 5. Discussion NU 5.1. Age constraints MA |  | | 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) | | specimens from Michigan. and the Lake Superior region. The new exhibit are divided into three major sections...basement rocks of the Berisal complex, Simplon region, Switzerland. Associated minerals are muscovite...derived from Gantertal, a valley in the Simplon region in which the mica occurs. S. Graeser, C.J. Hetherington...of muscovite from the Berisal complex, Simpton region, Switzerland. Can. Mineral., 41,1271-1280. GRAMACCIOLIITE-(Y)...2005 Ettringen, 2 km north of Mayen. Laacher See region, Eifel, Germany. The mineral is intergrown with |  | | Book | | ("solutions", "melts", and " v a p o r s ' " in this region are not sharply distinguishable). However, this...columbite lepidolite mica mica apatite corundum sillimanite apatite (c) Plutonic-hydrothermal deposits...fluid (supercritical), pass below 400 °C into the region of liquid aqueous solutions. At the same time their...Chemnitz, and several of the veins of the Freiberg region are distinguished by predominant lead-zinc ores...rocks and at contacts with effusive rocks. I n the region of the geosynclines rocks and mineral deposits |
|
