 | | Report (issue) | | ~"f IIJ II IIJ MINERAL RESOURCE SERIES ~j - FLUORITE I ~j by GIC Schneider & KG Seeger I iJ ,....MINISTRY OF MINES Al'TD ENERGY GEOLOGICAL SURVEY NAMIBIA -jl i 1990 ,.1 Open File Report :MRS 09 -~I... ~ '.! -I -1. I MINERAL RESOURCE SERIES FLUORITE by GIC Schneider & KG Seeger edited by BJM Diehl...GEOLOGICAL SURVEY NAMIBIA 1990 Open File Report MRS 09 2 Abstract A number of fluorite deposits occur in Namibia...breccia pipe classes of fluorite deposits. The most important one is at Okorusu Fluorite Mine, a replacement-type |  | | Book | | berg Organ Pipes / Twyfelfontein 7 AiAiba / farm Anibib 136 8 Grosse Spitzkoppe, Erongo 9 ...Mountainland The Central Northern to Northwest Region including Damaraland The Central Namib Desertand...Mine and Surrounding Copper Deposits The South The Pegmatitesin Central Namibia Luderitz and the Diamonds... 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 |  | | 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...sector, significant deposits of base metals and industrial minerals have helped Namibia rank amongst the...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unpublished.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) | | concentrates from carbonatite-related fluorspar deposits R. D. Hagni Department of Geology and Geophysics...producers of fluorite from carbonatite-related fluorspar ore deposits are located at Okorusu (Namibia), Amba...Beneficiation problems involving fluorite concentrates from those three deposits share similar characteristics...phosphorus, silica, and lime contents. Because the fluorite-depositing hydrothermal fluids were partly or...are rich in phosphorus, carbonatiterelated fluorite deposits would be expected to be characterized by significant |  | | Report (volume) | | outlook for future supply, and relation offluorspar deposits to rift structures and carbonatites UNITED STATES...-Geologic environments and types of fluorspar deposits ---------------------Fluorspar production and...------------------------Search for additional deposits -----------------------------------------References...showing the location of fluorspar and carbonatite deposits, rifts, and other major faults-----------------------...1920-77 14 15 16 TABLES Page TABLE 1. 2. 3. 4. Fluorite in Africa------------------------------------------Selected |  | Gwalani, L. G., Rogers, K. A., Demény, A., Groves, D. I., Ramsay, R., Beard, A., Downes, P. J., Eves, A. (2010) The Yungul carbonatite dykes associated with the epithermal fluorite deposit at Speewah, Kimberley, Australia: carbon and oxygen isotope constraints on their origin. Mineralogy and Petrology, 98 (1) 123-141 doi:10.1007/s00710-009-0102-1 | Journal (article/letter/editorial) | | carbonatite dykes associated with the epithermal fluorite deposit at Speewah, Kimberley, Australia: carbon...Yungul carbonatite dykes at Speewah in the Kimberley region of Western Australia were emplaced along a north-trending...(*) : K. A. Rogers : R. Ramsay : A. Eves Speewah Fluorite-Carbonatite Research Project, c/o NiPlats Australia...of massive, calcite carbonatite that host very coarse, pegmatitic veins and pods of calcite, and have largely...veins consisting of bladed quartz, adularia and fluorite are closely associated with the carbonatite dykes |  | Goff, B. H., Weinberg, R., Groves, D. I., Vielreicher, N. M., Fourie, P. J. (2004) The giant Vergenoeg fluorite deposit in a magnetite?fluorite?fayalite REE pipe: a hydrothermally-altered carbonatite-related pegmatoid?. Mineralogy and Petrology, 80 (3) 173-199 doi:10.1007/s00710-003-0012-6 | Journal (article/letter/editorial) | | 1007/s00710-003-0012-6 The giant Vergenoeg fluorite deposit in a magnetite–fluorite–fayalite REE pipe: a hydrothermally-altered...Australia, Crawley, Australia 2 Vergenoeg Mine, Farm Kromdraai, Rust De Winter, SA, Pienaar’s River,...Summary The world-class Paleoproterozoic Vergenoeg fluorite deposit in South Africa is hosted in a breccia...proportions of pegmatoidal fayalite, magnetite, fluorite and siderite. The adjacent A-type Bushveld granites...granites also have associated fluorite deposits containing fluorite with similar REE patterns, fluid inclusion |  | Cheilletz, Alain, Gasquet, Dominique, Filali, Fouad, Archibald, Douglas A., Nespolo, Massimo (2010) A late Triassic 40Ar/39Ar age for the El Hammam high-REE fluorite deposit (Morocco): mineralization related to the Central Atlantic Magmatic Province?. Mineralium Deposita, 45 (4) 323-329 doi:10.1007/s00126-010-0282-y | Journal (article/letter/editorial) | | Triassic 40Ar/39Ar age for the El Hammam high-REE fluorite deposit (Morocco): mineralization related to the...Hammam is the only fluorite mine in Morocco (production 100,000 t/year). The fluorite mineralization is...is in an array of fluorite–calcite veins and is characterized by unusually high REE content in carbonate...minerals (1,400 ppm in calcite; up to 2,000 ppm in siderite) and in fluorite (about 600 ppm). Since the... 54506 Vandoeuvre-lès-Nancy, France Keywords Fluorite . Rare earth elements . Central Atlantic Magmatic |  | 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 a, P...accepted 7 December 2001 Abstract The Okorusu fluorite deposit occurs in Pan-African carbonaceous rocks...rocks of the Damara Sequence in northern Namibia. The epigenetic mineralization formed from fluids expelled...around 120 jC. The immediate country rocks of the fluorite mineralization contain a highly varied H2O – CO2...represent an orthomagmatic fluid responsible for the fluorite mineralization. Cathodoluminescence imaging of |  | | Report (issue) | | polonium (209) astatine (210) radon (222) 87 88 104 105 106 107 108 109 110 111 112 113 114...http://periodic.lanl.gov/images/periodictable.pdf. Cover. A fluorite specimen from the Number 1 (Minerva) Mine, Cave-in-Rock...the sequence of mineral deposition. Worldwide, fluorite is the only mineral mined solely for its fluorine...............G12 Carbonatite-Related Fluorspar Deposits......................................................G13 Alkaline-Intrusion-Related Fluorspar Deposits.............................................. |  | 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) | | Journal Pre-proofs Fluorite deposits in the Zhejiang Province, southeast China: The possible role of...oceanic plate, as indicated by the Gudongkeng fluorite deposit Yi Fang, Hao Zou, Leon Bagas, Nuru Said...H. Zou, L. Bagas, N. Said, Y. Li, H. Liu, Fluorite deposits in the Zhejiang Province, southeast China:...oceanic plate, as indicated by the Gudongkeng fluorite deposit, Ore Geology Reviews (2019), doi: https://doi...pertain. © 2019 Published by Elsevier B.V. Fluorite deposits in the Zhejiang Province, southeast China: |  | Bühn, B, Schneider, J, Dulski, P, Rankin, A.H (2003) Fluid–rock interaction during progressive migration of carbonatitic fluids, derived from small-scale trace element and Sr, Pb isotope distribution in hydrothermal fluorite. Geochimica et Cosmochimica Acta, 67 (23) 4577-4595 doi:10.1016/s0016-7037(03)00392-2 | Journal (article/letter/editorial) | | and Sr, Pb isotope distribution in hydrothermal fluorite B. 1,2, BÜHN, * J. SCHNEIDER,2 P. DULSKI,3...Cretaceous Okorusu carbonatite complex (Namibia) is a hydrothermal fluorite mineralization hosted in Pan-African...carbonatitic fluids expelled from the carbonatite. Yellow fluorite I was deposited in veins up to 5 cm away from...colorless fluorite II, smoky quartz and barite, a Mn-rich crust on early calcite, and pure calcite. This...fluid and subsequent hydrothermal precipitates. Fluorite I shows a progressive change in color from dark |  | | Journal (article/letter/editorial) | | minerals Article Fluorite Mineralization Related to Carbonatitic Magmatism in the Western Transbaikalia:...; Veksler, I.V.; Wohlgemuth-Ueberwasser, C.C. Fluorite Mineralization Related to Carbonatitic Magmatism...D.); Tel.: +7-913-373-0139 (A.A.R.) Abstract: Fluorite mineralization associated with different types...Ulan-Ude fluorite occurrences, which are the most significant examples of carbonatite-related fluorite mineralization...mineralization in the region. The present paper focused on new fluorite geochemistry and fluid inclusion |  | | Journal (issue) | | the last outing to Plumpton. A piece of Plumpton Calcite sits prominently on the shelf in my living room...maybe my wife has a hitherto undeclared love of calcite - or it matches the paint!). I'd brought the Mitsubishi...which is probably following a fault plane. The calcite we sought has formed along this fault plane amongst...did not take long before the first small bits of calcite had been found. In additition, several sponge fossils...where we had found good material last time. The calcite appears in large chunks which have been ploughed |  | | Journal (article/letter/editorial) | | related to formation of associated massive fluorite deposits, known to be of low-temperature hydrothermal...' zz ° M i .IEI31~ln Mineralization (F) [ ] Fluorite Aml~~ i E• Carbonatite B IndianOcean 0L'~-J00km...The Amba Dongar complex also hosts the largest fluorite deposit ( 11.6.10 6 t 1 at 30% CaF2; Deans et...carbonatite of Viladkar, 1981 ), some of which are fluorite-bearing. The ferrocarbonatites can be subdivided...Dongar involved formation of the massive fuorite deposits (Viladkar, 1981; Viladkar and Dulski, 1986; Viladkar |  | | Journal (article/letter/editorial) | | amljIsmUiml jUineiiils jwin Figure 1: Purple, zoned fluorite cubes with galena on sphalerite from the HillLedford...n Fluorite and southern Illinois have become syn onymous for the mineral connoisseur. Fluorite, one...and across the Ohio River in western Kentucky, fluorite occurs abundantly and has been mined as a flux...for steelmaking since the 1870s. A by-product of fluorite mining is the continuing recovery of uncounted...and collector in this country has come to know fluorite by handling and testing specimens from southern |  | Cangelosi, Delia, Broom-Fendley, Sam, Banks, David, Morgan, Daniel, Yardley, Bruce (2020) Light rare earth element redistribution during hydrothermal alteration at the Okorusu carbonatite complex, Namibia. Mineralogical Magazine, 84 (1) 49-64 doi:10.1180/mgm.2019.54 | Journal (article/letter/editorial) | | alteration at the Okorusu carbonatite complex, Namibia Delia Cangelosi a,*, Sam Broom-Fendley b, David...Okorusu carbonatite, Namibia, includes diopside-bearing and pegmatitic calcite carbonatites, both exhibiting...carbonatite, REE, Sr and Ba are largely hosted by calcite and fluorapatite. However, in hydrothermally altered...Hydrothermal calcite has a much lower trace element content than the original, magmatic calcite. Despite...Despite the low REE contents of the hydrothermal calcite, the REE patterns are similar to those of parisite-(Ce) |  | González-Partida, Eduardo, Camprubí, Antoni, Carrillo-Chávez, Alejandro, Díaz-Carreño, Erik, González-Ruiz, Luis, Farfán-Panamá, José, Cienfuegos-Alvarado, Edith, Morales-Puente, Pedro, Vázquez-Ramírez, Juan (2019) Giant Fluorite Mineralization in Central Mexico by Means of Exceptionally Low Salinity Fluids: An Unusual Style among MVT Deposits. Minerals, 9 (1) 35 doi:10.3390/min9010035 | Journal (article/letter/editorial) | | minerals Article Giant Fluorite Mineralization in Central Mexico by Means of Exceptionally Low Salinity...Salinity Fluids: An Unusual Style among MVT Deposits Eduardo González-Partida 1, *, Antoni Camprubí 2 , Alejandro...the world-class Las Cuevas (the largest single fluorite deposit in the world) has been historically disputed...systematic study of fluid inclusions in these deposits revealed that they were formed by low temperature...−1.84‰ VPDB) data from hydrothermal calcite associated with fluorite mineralization indicated that the |  | Gigoux, Morgane, Négrel, Philippe, Guerrot, Catherine, Brigaud, Benjamin, Delpech, Guillaume, Pagel, Maurice, Augé, Thierry (2015) δ44Ca of Stratabound Fluorite Deposits in Burgundy (France): Tracing Fluid Origin and/or Fractionation Processes. Procedia Earth and Planetary Science, 13. 129-133 doi:10.1016/j.proeps.2015.07.031 | Journal (article/letter/editorial) | | Conference, AIG-11 BRGM G44Ca of stratabound fluorite deposits in Burgundy (France): tracing fluid origin...to stratabound fluorite deposits in the central part of Burgundy (France). These deposits are spatially...stratabound fluorite deposits formed. We suggest that the variations of the G44CaSW in fluorite (-0.1 to...isotopic signature similar to that of seawater (calcite or dolomite dissolution from the host-rock) and...committee of AIG-11 Keywords:Stratabound fluorite deposits, Ca isotopes, Sr isotopes, Burgundy, Morvan |  | Camprubí, Antoni, González-Partida, Eduardo, Richard, Antonin, Boiron, Marie-Christine, González-Ruiz, Luis, Aguilar-Ramírez, César, Fuentes-Guzmán, Edith, González-Ruiz, Daniel, Legouix, Claire (2019) MVT-Like Fluorite Deposits and Oligocene Magmatic-Hydrothermal Fluorite–Be–U–Mo–P–V Overprints in Northern Coahuila, Mexico. Minerals, 9 (1) 58 doi:10.3390/min9010058 | Journal (article/letter/editorial) | | minerals Article MVT-Like Fluorite Deposits and Oligocene Magmatic-Hydrothermal Fluorite–Be–U–Mo–P–V Overprints...Geologia Minería y Consultoría, S.A. de C.V. Ciprés 104, Frac. Jurica, 76100 Santiago de Querétaro, Querétaro... Abstract: The formation of most fluorite deposits in northern Coahuila (NE Mexico) is explained...northeastern Mexico. However, fluorite skarn deposits also occur in the same region, and there is evidence for...Palmas area that overprint preexisting fluorite mantos. The region experienced the emplacement of several |  | González-Sánchez, Francisco, Camprubí, Antoni, González-Partida, Eduardo, Puente-Solís, Rafael, Canet, Carles, Centeno-García, Elena, Atudorei, Viorel (2009) Regional stratigraphy and distribution of epigenetic stratabound celestine, fluorite, barite and Pb–Zn deposits in the MVT province of northeastern Mexico. Mineralium Deposita, 44 (3) 343-361 doi:10.1007/s00126-008-0212-4 | Journal (article/letter/editorial) | | epigenetic stratabound celestine, fluorite, barite and Pb–Zn deposits in the MVT province of northeastern...carbonate-hosted low-temperature hydrothermal deposits of celestine, fluorite, barite and zinc-lead, which formed...of Mesozoic evaporites or carbonate rocks. Such deposits can be permissively Editorial handling: F. Tornos...catalogued as Mississippi Valley-type (MVT) deposits. The deposits studied in the state of Coahuila are associated...siliciclastic, carbonate and evaporitic series. The MVT deposits are mostly in Barremian and in AptianAlbian to |  | | Journal (article/letter/editorial) | | Fluorite in Mississippi Valley–type Downloaded by ["Queen's University Libraries, Kingston"] at 08:16...08:16 13 August 2013 Deposits Figure 1 (top left). Fluorite, Heights mine, North vein, near Eastgate...England. This transparent, dark green twinned fluorite crystal is perched on a triangular piece of ironstone...specimen, Jesse Fisher photo. Figure 2 (center left). Fluorite, Dow Scar level, Hilton mine, near Appleby, Scordale...Cumbria, England. This well-formed twinned yellow fluorite crystal has a cluster of smaller fluorites at |  | Doroshkevich, A. G., Ripp, G. S., Viladkar, S. G., Vladykin, N. V. (2008) THE ARSHAN REE CARBONATITES, SOUTHWESTERN TRANSBAIKALIA, RUSSIA: MINERALOGY, PARAGENESIS AND EVOLUTION. The Canadian Mineralogist, 46 (4) 807-823 doi:10.3749/canmin.46.4.807 | Journal (article/letter/editorial) | | Abstract The Arshan carbonatites in the Transbaikalia region of Siberia consist of sövite with high concentrations...fluid-inclusion data. The recrystallization of calcite, the replacement of bastnäsite and phlogopite,...formation of secondary sulfates, strontianite, calcite and fluorite resulted from a hydrothermal process. The...inclusions fluides. La recristallisation de la calcite, le remplacement de la bastnäsite et de la phlogopite...sulfates secondaires, de strontianite, de calcite et de fluorite ont résulté d’une activité hydrothermale |  | | Report (issue) | | Soft Myrrhine The Barber Cup Carved of banded fluorite, the Barber Cup is thought to be one of only a...British Museum in London houses two extraordinary fluorite vessels: the Barber and Crawford cups. The Crawford...must have been carved from a soft stone such as fluorite. In probably the most famous example of the Roman...today as fluorite. While modem collectors continue to have a strong predilection for fluorite, they will... Contents 4 Fluorite: from Ancient Treasures to Modern Labs and Collections 72 13 Fluorite Luminescence |  | Zou, Hao, Fang, Yi, Zhang, Shou-Ting, Zhang, Qiang (2017) The source of Fengjia and Langxi barite-fluorite deposits in southeastern Sichuan, China: evidence from rare earth elements and S, Sr, and Sm-Nd isotopic data. Geological Journal, 52 (3) 470-488 doi:10.1002/gj.2779 | Journal (article/letter/editorial) | | The source of Fengjia and Langxi barite–fluorite deposits in southeastern Sichuan, China: evidence from...for fluorine. The Sm–Nd isochron age of fluorites is 104 ± 11 Ma, which demonstrates that the mineralization...KEY WORDS southeastern Sichuan; barite–fluorite deposits; REE; isotopic geochemistry; ore-forming source...than 1.8 × 104 km2. More than 310 barite– fluorite ore veins had been found in this region, and their...kilometres. The reserves of fluorite and barite in this region are substantial, and the belt is one of the most |
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