 | 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...following solid phases have been identified: halite, sylvite, nahcolite, K-feldspar, a Ba,Ca oxide/hydroxide |  | | 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 |  | | Journal (article/letter/editorial) | | country rocks of the Kalkfeld carbonatite complex, Namibia. The fluid inclusion population provides a unique...phases comprising nahcolite, halite, burbankite, sylvite, fluorocarbonate (rouvilleite ?), cryolite, Mn–Fe–...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 |  | Fan, Hong-Rui, Xie, Yi-Han, Wang, Kai-Yi, Tao, Ke-Jie, Wilde, Simon A. (2004) REE Daughter Minerals Trapped in Fluid Inclusions in the Giant Bayan Obo REE-Nb-Fe Deposit, Inner Mongolia, China. International Geology Review, 46 (7) 638-645 doi:10.2747/0020-6814.46.7.638 | Journal (article/letter/editorial) | | real daughter minerals. REE-carbonates, halite, sylvite, barite, calcite, and pyroxene (?) have been identified...minerals. G. Barite and calcite. H. Cubic halite and sylvite. Downloaded by [Anadolu University] at 03:15...SEM) and EDX analysis: REEcarbonates, halite, sylvite, barite, calcite, and pyroxene (?) (Figs. 2C–2H...abundant solids in the inclusions are halite and sylvite (Fig. 2H), as documented by EDX spectra showing...due to the management and staff of the Bayan Obo mine for their hospitality during field work. REFERENCES |  | | 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 |  | Walter, Benjamin F., Steele-MacInnis, Matthew, Giebel, R. Johannes, Marks, Michael A.W., Markl, Gregor (2020) Complex carbonate-sulfate brines in fluid inclusions from carbonatites: Estimating compositions in the system H2O-Na-K-CO3-SO4-Cl. Geochimica et Cosmochimica Acta, 277. 224-242 doi:10.1016/j.gca.2020.03.030 | Journal (article/letter/editorial) | | quartz from the country rocks at Kalkfeld and Okorusu (Namibia; Bühn and Rankin, 1999; Bühn et al., 2002)...al., 1991; Poutiainen, 1995). Besides halite, sylvite, sulfate and carbonate daughter crystals, such...of H2ONaCl-KCl compositions (i.e., halite and sylvite melting, types I and IV) the models of Sterner...and carbonate melting, in addition to halite and sylvite, types III and IV), we developed a new approach...of the complex brine inclusions also exhibited sylvite melting at elevated temperatures, indicating a |  | | Journal (issue) | | Jebel Ouichane, Sagangane, Nador Province, Oriental Region, Morocco. Doug Fiske collection; Jordan Root photo...row, from left: Euclase, 2.3 cm, from the Gachalá mine, Guavió-Guatéque mining district, Boyacá Department...Budd photo. Tanzanite, 7.6 cm, from the Merelani mine near Arusha, Tanzania. Barry & Beth Kitt collection;...Fluorite on quartz, 13 cm, from the Yaogangxian mine, Chenzhou Prefecture, Hunan Province, China. The...Spodumene (variety kunzite), 9 cm, from the Urucum mine, Galiléia, Minas Gerais, Brazil. Gus & Jane Eifler |  | | 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............. |  | Sun, Yi, Lai, Yong, Chen, Jing, Shu, Qihai, Yan, Cong (2013) Rare Earth and Rare Metal Elements Mobility and Mineralization During Magmatic and Fluid Evolution in Alkaline Granite System: Evidence from Fluid and Melt Inclusions in Baerzhe Granite, China. Resource Geology, 63 (3) 239-261 doi:10.1111/rge.12007 | Journal (article/letter/editorial) | | simultaneous trapping of these inclusions. Halite and sylvite are also recognized in some fluid-melt inclusions...quartz, with vapor phase, liquid phase, halite, sylvite and unknown daughter minerals. (c) Primary HS-type...V: vapor phase; L: liquid phase; H: halite; S: sylvite; ?: unknown daughter minerals). occur in isolation...deposit: the Cerro Colorado Hypogene Protore, I Region, Northern Chile. Econ. Geol., 110, 95–134. Buhn...fluid-inclusion evidence from the Okorusu fluorite deposit, Namibia. Chem. Geol., 186 (1–2), 75–98. Castor |  | | Journal (article/letter/editorial) | | (one or two cubic isotropic phases; halite and sylvite), and an elongated strongly birefringent phase...liquid, w H O, c CO , 2 2 S solid, h halite, s sylvite, n nahcolite, ap apatite, px pyroxene, bt biotite...microscopic observations indicate that they are sylvite, nahcolite and halite. Raman spectra of CO (lines...(¹s1 dissolution of nahcolite, ¹s2 dissolution of sylvite, ¹s3 dissolution of halite, *¹mC melting of CO...calculations B1 type cf. Chou-Ming (1987). The P¹-region, where hypothetically the immiscibility of an initially |  | | Journal (article/letter/editorial) | | inclusion-rich cores and fluid inclusion-poor rims. Sylvite and burbankite, apatite, pyrite, chalcopyrite and...band at 1086 cm− 1). The most common mineral was sylvite but calcite and burbankite were also present, and...collected from the fresh outcrops of the Cajati mine and alteration affects apatite crystals only on...fluid inclusions in pyroxenes from the Guide Copper Mine, a satellite intrusion of the Palabora Igneous Complex...P.R., Hagni, R.D., 2004. Bunge's Cajati Apatite Mine, SE Brazil: Mineralogy and Petrography of the Carbonatite |  | | Journal (issue) | | localities like the Sweet Horne mine, Breckenridge, Mount Antero, the Sunnyside mine, Creede, Cripple Creek,...Collection" labels list the name of the lade or mine, the mining district and county, and the assay results...thread, some taken from the surface of the American mine and some from its deepest workings indicating that...that depth does not change the character of the mine. One is impressed by the money as well as the scientific...quartz, interspersed with gold, but the owner of the mine, Mr. Walker, seeing the cabinet, said that the piece |  | | Book | | relationship to beneficiation problems at Okorusu, Namibia Hagni, RD 297 Ore microscopic study of copper...losses from mining of bornite ores in the Sweetwater Mine, Viburnum Trend, Southeast Missouri Hagni, RD 307...oxidation and mobilization of arsenic in the Ketza River mine tailings Paktunc, D, Thibault, Y, and Weisener,... Understanding micro-environment development in mine tailings using MLA and image analysis Redwan, M...iron-rich sediments of Benavi Area in Kurdistan Region – Northern Iraq Yassin, AT and Mahmoud, MM 781 |  | | Journal (article/letter/editorial) | | include possible amphibole (birefringent needles), sylvite (isotropic cubes, inert on cooling), fluorite or...r at - 2 0 . 8 ~ C) and the ternary eutectic (sylvite+ hydrohalite +ice + solution + vapour at - 2 2...the breakdown of hydrohalite and, possibly, of sylvite in the fluid inclusions. This suggests that NaC1...density limits at 33 wt% NaC1 (dotted field). A PT-region for the primary formation of apatite phenocrysts...associated with carbonatite of Amba Dongar, India and Okorusu, South West Africa. Inst Mining Metall Trans sect |  | | Journal (article/letter/editorial) | | carbonatiteassociated fluorite deposit at Speewah, East Kimberley region, Western Australia M. P. Alvin, J. M. Dunphy, and...of the Halls Creek Orogen, in the East Kimberley region of Western Australia. Host rocks are Palaeoproterozoic...fluorite deposit is located in the East Kimberley region of Western Australia (386500 mE, 8182500 mN; Fig...inclusions containing a cubic, isotropic mineral phase (sylvite of halite?) are rare. 134.1(26) 136.1(24) 145...Martin’s Find and Shangri Lah deposits in the same region Sample no. Location 206 Pb=204Pb MA01 MA55 |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, Miłosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | (e.g., [74–76]). Importantly, Mongolia [52,53], Namibia New Zealand Norway [58], Russia [59–64], South...Vuoriyarvi alkaline-ultrabasic carbonatite massif (Kola region, Russia) is one of more than 2. Geological Setting...Vuoriyarvi alkaline-ultrabasic carbonatite massif (Kola region, Russia) is one of more than massif is complex...periclase (Mg), rhodochrosite (Mn), albite (Na), sylvite (K, Cl), barite (Ba), monazite (Ce), celestine...system, rhabdophane and differ monazite in the region of 400–1200 cm−1 showin thea same set of bands |  | | Book | | basic understanding of the geology of an area or region will never happen without initial observation of...Malawi Mali Mauritania Mauritius Morocco Mozambique Namibia Niger Nigeria Reunion (France) Rwanda São Thomé...Democratic Republic of Congo were also felt by Angola, Namibia, Rwanda, Uganda and Zimbabwe. The long-term implication...(1872) on East Africa, in which the Great Lakes region of central eastern Africa is very poorly figured...Group of Morocco and the Damar metasediments of Namibia). In some cases these rocks are at very low metamorphic |  | | Journal (article/letter/editorial) | | Suanite Sugilite Sulfur native Svanbergite Sylvanite Sylvite Synchysite Szaybelyite Taaffeite Tachyhydrite Talc...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) | | Suanite Sugilite Sulfur native Svanbergite Sylvanite Sylvite Synchysite Szaybelyite Taaffeite Tachyhydrite Talc...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 |  | | 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 |  | | Journal (issue) | | samsonite emerged from just two pockets in the Samson mine. St. Andreasberg is also known for its fine specimens...including the Brocken, is placid and bucolic—a region, as Bancroft (1984) puts it, “of beauty: gently...in the St. Andreasberg District’s renowned Samson mine ceased in 1910, but in 1950 the Samson Pit Mining...taken on mine tours from there. And since 2001 the Harz Roller Canary Museum, at the Samson mine pithead...discoveries of ore in a (then) nearly untapped region of the Harz Mountains. The mineral-rich hill was |  | | Journal (issue) | | Scovil photo. Vanadinite, 2.4 cm, from the Apache mine, Arizona. Collected by Evan Jones; Jeff Scovil photo...Miglioli photo. Fluorite, 7.4 cm, from the La Barre mine, France. Collected by Aubin Cosson; Niels Brouwer... from left: Caledonite, 1.1 cm, from the Reward mine, California. Collected by Jeff Lines; Ben DeCamp...Thrill of Discovery by Wendell Wilson Epilog: On Mine Safety UThe Field-CollectorsV Anthony J. Albini...the words of the original discoverers. Adelaide Mine, Tasmania, 1971, 2012 Albert Chapman wrote one such |  | | 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 |  | | Report (issue) | | Kearns 12. Post-Paleozoic magmatism in Angola and Namibia: A review . . . . . . . . . . . . . . . . . . ...propagation into the southern Tyrrhenian backarc region. . . . . . . . . . . . . . . . . . . . . . . ....Saharan zone, Cameroon volcanic line, Angola and Namibia, and the East African Rift system. This Special...studies of xenoliths from the lower crust in the region are from the Arabian plate, where juvenile Neoproterozoic...al., 2002). The upper felsic crust of the Bayuda region consists of abundant cratonic material reworked |  | | 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 |
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