| | 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 | | Chudasama, Bijal, Porwal, Alok, Wilde, Andy, González-Álvarez, Ignacio, Aranha, Malcolm, Akarapu, Umamahesh, Hirsch, Martin, Becker, Eduard (2019) Bedrock topography modeling and calcrete-uranium prospectivity analysis of Central Erongo Region, Namibia. Ore Geology Reviews, 114. 103109 doi:10.1016/j.oregeorev.2019.103109 | Journal (article/letter/editorial) | calcrete-uranium prospectivity analysis of Central Erongo Region, Namibia T ⁎ Bijal Chudasamaa,b, , Alok Porwala...Resources & Exploration (Pty) Ltd, Swakopmund, Namibia b A R T I C LE I N FO A B S T R A C T Keywords:...province occurs within the Erongo administrative region of the Republic of Namibia and forms a part of the...al. Fig. 1. Calcrete uranium province, Erongo Region, Namibia. Base map- The Köppen-Geiger Climate Classification...uranium deposits in the central part of the Erongo Region. The precise study area is described in Section | | | Journal (article/letter/editorial) | ~750 °C) mid-crustal rocks in the Damara Belt in Namibia. The lenses are surrounded by and connected to...the well-layered gneisses of the deeply incised Husab Gorge. The outcrops define a four-stage process...Belt in central Namibia. Intrusive networks along the steep slopes of the >100 m deep Husab Gorge (Fig. 1)...high-grade, nearsource wall rocks. The outcrops in the Husab Gorge will be presented and discussed with reference...Earth) of the lower ~1.8 km of the study area in the Husab Gorge (1.59 vertical exaggeration; 22°45.1810 S | | | 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...deposits. The most important one is at Okorusu Fluorite Mine, a replacement-type deposit that is associated with...56% CaF2. With the exception of the Garub Fluorite Mine, a breccia pipe deposit, all other fluorite occurrences | | Li, Shan-Shan, Zeng, Wei, Zhang, Huai-Feng, Wang, Lu, Shivute, Espine Tuyakula, Qiu, Kun-Feng (2022) Fractional Crystallization and Partial Melting of the Paleoproterozoic Gneisses and Pegmatite in the Giant Husab Uranium Deposit, Namibia. Minerals, 12 (3) 379 doi:10.3390/min12030379 | Journal (article/letter/editorial) | Gneisses and Pegmatite in the Giant Husab Uranium Deposit, Namibia Shan-Shan Li 1 , Wei Zeng 2 , Huai-Feng...Gneisses and Pegmatite in the Giant Husab Uranium Deposit, Namibia. Minerals 2022, 12, 379. https://doi...Correspondence: kunfengqiu@cugb.edu.cn Abstract: The giant Husab uranium deposit is located in the Paleoproterozoic...syeno-granite, syeno-granitic pegmatites, syeno-granitic gneiss, granitic syenite and biotite quartz monzonites...(La/Yb)N ratios of the biotite granitic gneiss and syeno-granitic gneiss, suggest that the Magma was highly | | | 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 | | | 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) | framework. Area of this study is within the hatchured region. 60 Geologischo Rundschau, Bd. 65 941 Aufsiitze...places in the area of this study (SE of the Khan mine and on the farms Tsawisis, Naob and Abbabis (for...and marbles of the RSssing Subgroup and of the Husab Formation are in a somewhat losely manner referred...and is underlain by the marbles of the Hakos and Husab Formations, therefore it generally crops out only...,, ~ A r a r , c~'s , ...~'] ;$~;Y ,eoo,o Erongo vo(cono ptutonic complex r,................. § | | | Journal (article/letter/editorial) | polymetamorphism in the Pan African Damara belt of Namibia (South West Africa) *'~ By A. KR/3NER,Mainz, M...Zentralzone des Pan-Afrikanischen Damara-Orogens von Namibia (Siidwest-Afrika) deuten auf eine mehrphasige metamorphe...Supergroup in the central Pan African Damara belt of Namibia (South West Africa). Calc-granofels rocks of the...ont ~t~ dat~es par la m r t h o d e Rb/Sr. Des gneiss calciques (~ granofels >~) de la formation de Karibib...raise en place des grandes masses de granite. Des gneiss feldspathiques '~ pryoxbne de la Formation de Khan | | | Journal (article/letter/editorial) | 17, 67--72).-This mineral, from the Silver Bell mine, Oumy, is fine-grained, somewh:Lt fibrous, and exhihits...bituminous shale embedded in the lignite of the Messel mine in Hesse-Darmstadt. The crystals were found optically...to an extremely rare mineral from the Jesus Maria Mine, Mazapil, Mexico. The crystals belong to the rhombic...remarkable purity, carefully isolated from the gneiss, ,338metres View Article Online 221 MINERALOOICAL...MINERALOOICAL CHEMISTRY. below the surface, at a mine a t Halsbriicke, near Freiberg, in Saxony. The analytical | | | Report (issue) | MONGOLIA MONTENEGRO MOROCCO MOZAMBIQUE MYANMAR NAMIBIA NEPAL NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA... Description of a selected deposit: The Denison mine deposit (Canada) ....... 304 Surficial deposits...occur for a uranium deposit to form in a particular region. The authors state that as such, this is not a...Subtype 1.1. Anatectic: pegmatite–alaskite (Rössing, Namibia; Bancroft district, Canada); Subtype 1.2. Plutonic:...district, China); Subtype 2.2. Perigranitic (Příbram region, Czech Republic; Niederschlema Germany). Type 3 | | | Report (issue) | Stratigraphic--Cenozoic. 3. Geology-Namibia-Tumas River Watershed. 4. Geology-Namibia-Namib Desert. I. Title. II...discussions with field geologists in the remote Husab field camp, especially with Brian Hambleton-Jones...unknown. Narrub forms the basis of the country name Namibia. INTRODUCTION 2 /_.------ ,,).,,_,\ • lwitschia...and cultural features (500 m contour interval). Namibia within the 100-150 km-wide west coast Namib Desert...minimal contact was made with local people in Namibia, and even such features as the mouths of the Kuiseb | | | Report (issue) | and zero CO2 emission production. The East Asia region is projected to experience the largest increase... low Nb-Ta-REE prospect West Greenland Nuuk region magmatic Neoarchaean Neoarchaean pegmatite...uraninite 0.5-2 low showing West Greenland Nuuk region fracture Neoarchaean Archaean amphibolite ...granites Archaean basement Sarfartoq Qaqarssuk Nuuk region Tikiusaaq Ilímaussaq Motzfeldt Ketilidian fold...response to Mesoproterozoic rifting. The faulted region is outlined as strongly enriched in uranium by | | | Report (issue) | engineered. Once an ore deposit is discovered, a mine is developed and U extracted by a variety of mining...Athabasca Basin in Canada and the Alligator River region of Australia and these deposits average 0.8% U...unconformity-related deposits occur in the Karelia region of Russia and Finland (Velichkin et al. 2005),...(USA) Yeelirrie (Australia), Langer Heinrich (Namibia) Witswatersrand (S. Africa), Blind River/ Elliot... McDermitt (USA), Xiangshan (China) Rössing (Namibia), Ilimaussaq (Greenland), Palabora (S. Africa) | | | Book | Bergakademie Freiberg Contents 1 Uranium Boom in Namibia – Hausse or Baisse . . . . . . . . . . . . . Helmut...exposure and environmental remediation at the Urgeiriça mine site, Portugal . . . . . . . . . . . . . . . . .... . . . Peter Waggitt 169 Technical Status of Mine Water Control in China and Its Development Strategy... Assessing risks associated with the flooding of mine voids on underground infrastructure and water resources...underground mine workings of the old Witwatersrand gold/uranium mining areas: acid mine drainage generation | | | Journal (issue) | and swampy belt of marine alluvium-the coastal region. This rises gradually from the seaboard and extends...coffee and rice. The front portion of the coastal region is in part occu pied by sugar estates, whilst...reaches of rivers. Coconuts are grown on the coastal region, while cacao and coffee are chiefly cultivated...tract of copntry immediately behind the coastal region. Cattle raising is carried on to a large extent...very extensive flat pasture land of the coastal region, and on a smaller scale on the savannahs of tbe | | | Journal (article/letter/editorial) | magmatic deposits of the Ukraine, Brazil, and Namibia, and some IOCG and breccia deposits, in particular...pegmatoids as in Central Nambia at Rössing, as well as Husab and many others in the Litsk district (Kola Peninsula)...the Variscan orogeny. With the exception of the gneiss domes, the various metamorphic nappes (Phyllite...1989; Faure et al., 2009): the Upper Gneiss Unit, the Lower Gneiss Unit, and the Para-Autochtonous Unit...contrasting metamorphic peak conditions: (i) the Upper Gneiss Unit to the north is dominated by a bimodal association | | | 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 | MONGOLIA MONTENEGRO MOROCCO MOZAMBIQUE MYANMAR NAMIBIA NEPAL NETHERLANDS NEW ZEALAND NICARAGUA NIGER NIGERIA...Russian Federation; Kurišková, Slovakia Anderson Mine, USA; Sierra Pintada district, Argentina Kirovograd...Real, Brazil Arizona Strip, USA 9.1 9 Rössing, Namibia; Bancroft district, Canada Bingham Canyon, USA;...district, Niger Ambrosia Lake district (Grants region), USA Salt Wash member, USA Wyoming basins, USA...Creek, USA Yeelirrie, Australia; Langer Heinrich, Namibia Lake Maitland, Lake Way, Australia Beslet, Bulgaria | | | Journal (volume) | has a State mineralogist, while Idaho has a State mine inspector who collects statistics of mineral production...Hotchkiss, Madison. L. W. Trumbull, Cheyenne. STATE MINE INSPECTORS, COMMISSIONERS, ETC. Name and Address...Chief Mine Inspector, Birmingham. Summer S. Smith, Mine Inspector, Juneau. G. H. Bolin, State Mine Inspector...T. Fuller, State Mineralogist; T. H. Shaw, State Mine Inspector, Midland. F. McN. Hamilton, State Mineralogist...Inspector of Coal Mines, Denver. R. N. Bell, State Mine Inspector, Boise. Michael Scollard, Deputy Inspector | | | Book (volume) | 686 692 702 Preface Canaries in a Collapsing Mine The rich compendium of information in my colleague...significant avian pollinator limitation in the region (Montgomery et al. 2001). Importance of bird pollination...tracheliotus; Figure 9) have virtually disappeared from the region (Thiollay & Rondeau 2004). Ironically, the US Department...production (Elliott & Lenton 1989). This is in the region of losses caused by bird pests in other parts of...provide a direct link between avian biodiversity of a region and local income. Although birdwatchers are sometimes |
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