 | | 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...one is at Okorusu Fluorite Mine, a replacement-type deposit that is associated with the Okorusu Alkaline...56% CaF2. With the exception of the Garub Fluorite Mine, a breccia pipe deposit, all other fluorite occurrences |  | | Report (volume) | | fluorspar have been worked in South Africa and Namibia. Stockworks of fluorspar in granite are mined extensively...reported from Angola, Kenya, Morocco, Mozambique, Namibia, South Africa, Tanzania, and Uganda. Fluorite has...carbonatites have been reported only in the Okorusu district of Namibia. Fluorspar production from Africa through...fluorine chemicals; in manufacturing artificial cryolite and aluminum fluoride for the aluminum industry;...young rifts in eastern and central Africa, in Namibia (South West Africa), and in Angola and is associated |  | Bühn, B., Rankin, A.H., Schneider, J., Dulski, P. (2002) The nature of orthomagmatic, carbonatitic fluids precipitating REE,Sr-rich fluorite: fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chemical Geology, 186 (1) 75-98 doi:10.1016/s0009-2541(01)00421-1 | Journal (article/letter/editorial) | | luid-inclusion evidence from the Okorusu f luorite deposit, Namibia B. Bühn a,*, A.H. Rankin b, J. Schneider...March 2001; accepted 7 December 2001 Abstract The Okorusu fluorite deposit occurs in Pan-African carbonaceous...northern Namibia. The epigenetic mineralization formed from fluids expelled from the Cretaceous Okorusu carbonatite...70458 – 0.70459, which are close to those of the Okorusu carbonatite. Primary and secondary aqueous fluid...hydroxide/fluoride (?), galena and cerussite, fluorapatite, cryolite, burbankite, pyrite, fluorite, barite and kyanite |  | | Book | | Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...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 |  | | Report (issue) | | A fluorite specimen from the Number 1 (Minerva) Mine, Cave-in-Rock subdistrict, Illinois-Kentucky fluorspar...............................................G31 Mine Waste Characteristics.........................................................................G36 Mine Closure...........................................a fluorite specimen from the Number 1 (Minerva) Mine, Cave-in-Rock subdistrict, Illinois-Kentucky fluorspar...Selected examples of the chemistry and mineralogy of mine waste generated at fluorspar mines............. |  | | Journal (article/letter/editorial) | | country rocks of the Kalkfeld carbonatite complex, Namibia. The fluid inclusion population provides a unique...burbankite, sylvite, fluorocarbonate (rouvilleite ?), cryolite, Mn–Fe– calcite, feldspar/feldspathoid, fluorite...crust-derived complexes (open) in north central Namibia. their host rock composition (Rankin and Le Bas...Dongar, India; Simonetti and Bell, 1995; Okorusu F deposit, Namibia; Van Zijl, 1962), or for alteration of...encountered at the Kalkfeld carbonatite complex (Namibia), where a volatile- and alkali-rich carbonatitic |  | | Journal (article/letter/editorial) | | Gross Spitzkoppe and Klein Spitzkoppe stocks in Namibia: Topaz-bearing A-type granites related to continental...Geological Survey of Namibia, P.O. Box 2168, 1 Aviation Road, Windhoek, Namibia c Rosh Pinab Zinc Corporation...Corporation (Pty) Ltd, P.O. Box 115, Rosh Pinab, Namibia Received 3 February 2006; accepted 4 December...The anorogenic Damaraland intrusive complexes in Namibia belong to the bimodal Paraná–Etendeka Large Igneous...1. Introduction The Paraná (Brazil)–Etendeka (Namibia) flood volcanic and associated plutonic rocks represent |  | | Journal (article/letter/editorial) | | endoskarn abundance in Cu–Zn skarns at the Empire Mine, Idaho, USA Zhaoshan Changa,*, L.D. Meinertb a ...in some Cu–Zn skarn deposits such as the Empire Mine in Idaho. Important features include: (1) quartz...localities such as the world-class Cu–Zn skarn Antamina mine, as well as some tin and rapakivi granites. D 2004...associated with some ore deposits, such as the Empire Mine, Idaho, USA, contain quartz phenocrysts that are...tin and rare-metals mineralization at the Pitinga mine, Brazil. Embayment of quartz phenocrysts also has |  | Doroshkevich, A. G., Viladkar, S. G., Ripp, G. S., Burtseva, M. V. (2009) HYDROTHERMAL REE MINERALIZATION IN THE AMBA DONGAR CARBONATITE COMPLEX, GUJARAT, INDIA. The Canadian Mineralogist, 47 (5) 1105-1116 doi:10.3749/canmin.47.5.1105 | Journal (article/letter/editorial) | | sövites. The Kalkfeld carbonatite complex, in Namibia, can be considered a good example of the important...minerals of those carbonatites contain albite and cryolite as daughter minerals (Bühn & Rankin 1999). Another...associated with carbonatite at Amba Dongar, India, and Okorusu, South West Africa. Inst. Mining Metall. Trans |  | | Journal (article/letter/editorial) | | carhonatites with oversaturated magmatism such as in Namibia. Angola, and the East African rift system. Despite...Phanerozoic Cameron Niger Nigeria Sudan Saudi Arabia Namibia 1. Introduction Most of the African continent...1986). Thus the most important feature of this region is the sequential development of granitic rock...for the temporal evolution of the Saudi Arabian region during Upper Proterozoic to early Phanerozoic times...almost identical age range to the mixed province in Namibia, with oversaturated magmatism close to the coast |  | Jin, Luying, Qin, Kezhang, Li, Guangming, Zhao, Junxing, Li, Zhenzhen, Chu, Zhuyin, Song, Guoxue (2023) Formation of the Chalukou High Fluorine-Type Mo (–Zn–Pb) Deposit, NE China: Constraints from Fluorite and Sphalerite Rare Earth Elements and Sr–Nd Isotope Compositions. Minerals, 13 (1) 77 doi:10.3390/min13010077 | Journal (article/letter/editorial) | | Cu ± Mo ± Au deposits developed in this NE China region [49,59–61]. Minerals 2023, 13, 77 3 of 20 Figure...vermicular resorption textures (such as in the Empire Mine, [87]), and high fluorine-content hydrothermal biotite...during hydrothermal alteration at the Okorusu carbonatite complex, Namibia. Mineral. Mag. 2020, 84, 49–64....immiscible silicate and fluoride melts, fluorite and cryolite and the origin of the lanthanide tetrad effect...endoskarn abundance in Cu-Zn skarns at the Empire Mine, Idaho, USA. Chem. Geol. 2004, 210, 149–171. [CrossRef] |  | | Report (issue) | | fluorite gemstone cut from rough originating in Okorusu, Namibia. Collection Warren Taylor; photo Jeff Scovil...Brian Stefanec explores a pocket at the Elmwood mine. Photo Mark Kielbasa Switzerland BY HANS ANTON...MICHAEL GRAY 54 Elmwood-Gordonsville-Cumberland Mine Complex Of Eastern Tennessee BY ARVID PASTO 56...Castleton in Traek Cliff (Derbyshire), the Blue John mine (page 35). The term "fluorite" was coined in 1797...The Blue John Mine, Castleton. In Modern Terms A postcard depicting the Blue John mine near Castleton |  | | Report (issue) | | ~o Moroni Lusaka*--- • Ha B MOZAMBIQUE NAMIBIA ( Windhoek* Gaborone * Pretoria * Mbabane ... 105 Mozambique . . . . . . . . . . . . . 113 Namibia . . . . . . . . . . . . . . . . 119 Nigeria . ...of diversified experience in mineral exploration, mine design, development, and operations, as well as...mineral industry of Canada, Iran, Mexico, and Namibia. He is also the Bureau's specialist on the North...in Africa and the Middle East, especially Iraq, Namibia, South Africa, and Zaire. Hendrik G. van Oss is |  | Hurai, Vratislav, Paquette, Jean-Louis, Huraiová, Monika, Slobodník, Marek, Hvožďara, Pavel, Siegfried, Peter, Gajdošová, Michaela, Milovská, Stanislava (2017) New insights into the origin of the Evate apatite-iron oxide-carbonate deposit, Northeastern Mozambique, constrained by mineralogy, textures, thermochronometry, and fluid inclusions. Ore Geology Reviews, 80. 1072-1091 doi:10.1016/j.oregeorev.2016.09.017 | Journal (article/letter/editorial) | | Prospecting Services cc, PO Box 24218, Windhoek, Namibia CE P 8 Earth Science Institute, Slovak Academy...Klippe, approximately 50 T km east of the coastal region of the Nampula Province, Mozambique (Fig. 1). The...structure has only one maximum in the first-order region at 1575-1582 cm-1 (G-band), corresponding to symmetric... AC bearing dolomitic carbonatite at Eureka, Namibia (Worley et al. 1995) and together with diamond...Nesbitt and Kelly 1977), burbankite, fluorite, cryolite (Bühn et al. 1999), aphthitalite (Xie et al. 2009) |  | Fang, Yi, Zou, Hao, Bagas, Leon, Said, Nuru, Li, Yang, Liu, Hang (2020) Fluorite deposits in the Zhejiang Province, southeast China: The possible role of extension during the late stages in the subduction of the Paleo-Pacific oceanic plate, as indicated by the Gudongkeng fluorite deposit. Ore Geology Reviews, 117. 103276 doi:10.1016/j.oregeorev.2019.103276 | Journal (article/letter/editorial) | | widespread Mesozoic plutons, with a dense of 0.1 mine/km2 (Pei et al. 2007). Based on detailed studies...of China, Zhou et al. (2006) propose that this region records two tectonic events. The first is a continental...of the Early Cretaceous Guantou Formation in the mine area is 0.09 wt.%, and 0.06 wt.% for the Early Cretaceous...Fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chem. Geol. 186, 75–98. Cai, J.X...Illinois: Stable isotope systematics at the Deardorff mine. Econ. Geol. 83, 765–783. Ruiz, J., Kesler, S.E |  | | 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 |  | Zou, Hao, Pirajno, Franco, Zhang, Qiang, Tessalina, Svetlana, Ware, Bryant, Li, Xin‐yu, Liu, Hang, Li, Yang, Jiang, Xiu‐wei, Wei, Shao‐yi (2020) New evidence from the Wuliji'Oboo fluorite deposit for the role of the paleo‐Pacific Plate and Mongol–Okhotsk suture in creating extensive fluorite mineralization in the Great Xing'an Range, NE China. Geological Journal, 55 (5). 3654-3678 doi:10.1002/gj.3601 | Journal (article/letter/editorial) | | rhyolite. The REEs suggest that F‐rich fluids in this region might have experienced a long‐ distance migration...are characterized by ten- the research in this region has focused on the metallic deposits, while sional...asthenospheric upwelling in eastern China (Menzies, Fan, region, causing the lithosphere of north‐eastern China...volcanic rocks that developed across the Lake Baikal region, deposit. The homogenization temperature results...creditable infer that the F‐rich fluids in this region might have experienced a approach in the exploration |  | | Report (issue) | | by the U.S. Government Published in the Eastern Region, Reston, VA Manuscript approved for publication...right to file claims that permit the claimants to mine and sell minerals found. The Mining Law does not... 6 TABLE 1.-U.S. MINERAL INDUSTRY TRENDS Total mine production: 1 Metals Industrial minerals Coal Employment:...largest growth in exploration expenditure of any region in the world. In addition, plans for more than...billion in potential new mineral developments in the region were announced. Much of the interest in exploration |  | Van Alstine, R. E., Worl, R.G., Heyl, A.V., Trace, R.D., Parker, R.L., Griffitts, W.R., Sainsbury, C.L., Cathcart, J.B. (1976) Geology and resources of fluorine in the United States. Professional Paper 933. US Geological Survey doi:10.3133/pp933 | Report (issue) | | 1. 2. 3. 4. 5. A sbestos ore Lead ore, Balmat mine, N . Y. Chromite-chromium ore, Washington Zinc ore...not yet discovered or not currently profitable to mine. The mining of mineral deposits, once they are discovered...along "main vein" of the Baxter (Kaiser) fluorspar mine, Broken Hills district, Nevada............ 19-21.......... 21. Fluorspar deposit at the Burlington mine, Jamestown district, Colorado.....................26. Map showing major structural features in the region surrounding the Illinois-Kentucky fluorspar district |  | | Book (edition) | | localities as inclusions in the limestone”’ (italics mine). Actually, the first published description of...carbonatite dikes cutting the kimberlite of the Premier mine (p. 542) he classed as magmatic, but 1 Bowen admitted...constituents of some of the massifs in the Meimecha-Kotui region of northern Siberia. ALKALIC CARBONATITIC COMPLEXES...Mountain, Mrima Hill, Rangwa, Spitskop. In the Tuva Region, U.S.S.R., some carbonatitic complexes contain... Ontario, Bukusu and Budeda, Uganda, and Okorusu, South-West Africa); see Fig. 2-12. In this |  | | Book | | magmatism of the eastern margin of the Atlantic (Namibia, Angola) or the western African kimberlites do...Mafic-Ultramafic Magmatism in the Southwest Uganda Region of the African Rift: Implications from Experimental.... . . ... 3 The Crust Under the Canary Islands Region ............. 4 Network of Fractures and Identity...Identity of Vertical Movements in the Canary Islands Region ........................... 4.1 Transoceanic and...African craton (200-180 Ma); Lebombo (195-190 Ma), Namibia (165-120 Ma), Chilwa (139 Ma), Luderitz (130 Ma) |  | | Journal (article/letter/editorial) | | Corvusite Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting | | | Journal (article/letter/editorial) | | Corvusite Covellite Crandallite Crocidolite Crocoite Cryolite Cryptomelane Cubanite Cummingtonite Cuprite Cylindrite...the Alpine region, and (3) Mid-Triassic to early Jurassic extension in the extra-Alpine region. Isotope...hanging wall. During a subsequent mining period, the mine was re-opened to recover sideritic parts of the...make a contribution to the cultural heritage of a region and may successfully be used in exploration (Mascaro...you look for a mine look near a mine”. This includes the imperative “if you look for a mine look for smelting |  | | Report (issue) | | .B3 Graph showing dates associated with all the mine sites on the U.S. Environmental Protection Agency’s...production, U.S. apparent consumption, and U.S. mine production of antimony from 1900 to 2012............................F2 Graph showing world cobalt mine and refinery production and apparent consumption.....................F2 Graph showing world cobalt mine production from 1950 to 2011......................F4. Pie chart showing percentage of world cobalt mine production in 2011, by country................. |  | | Report (issue) | | .............. Geological map of the Kimberley region .................................................lengths of less than 100 m. The only other producing region of some importance is in Rajasthan. Companies operating...which has mines at Jabel Ighoud and Zelmou. Zelmou Mine, located to the southwest of Bouarta, is newer with...from this mine has an average specific gravity of 4. The older Ighoud Mine is the only barite mine in Morocco...capacity of around 25 000 t per annum. Ore from this mine is extracted from near vertical veins up to 6 m |
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