 | | Report (issue) | | REPORT Brazil Investigations (IR)BR-76 NIOBIUM (COLUMBIUM) AND TANTALUM RESOURCES OF BRAZIL U. S. Geological... NIOBIUM (COLUMBIUM) AND TANTALUM RESOURCES OF BRAZIL By Max G. White U.S. Geological Survey CONTENTS...deposits ............................... 10 The Barreiro (Araxa) deposit ..................... 10 The...Distribution of alkalic intrusives in Southern Brazil .. 16 Alkalic intrusions in the western side of...geologic setting of deposits .............. 24 Minas Gerais ...................................... 24 Bahia |  | | Report (issue) | | led by, in decreasing order of reserves, China, Brazil, Australia, and India (Gambogi, 2015). Australia...Western Australia, Australia, and Araxá in the State of Minas Gerais, Brazil). The principal REE minerals...20° 10° 0° 10° 20° 30° 40° 50° 60° 80° Araxá Buena Norte mining district Zandkopsdrift Lofdal...Y)2Fe2+Be2Si2O10 Gorceixite (Ba,REE)Al3(PO4 )2(OH5• H2O) Goyazite (Sr,REE)Al3(PO4 )2(OH5• H2O) • Xenotime-monazite...crandallite-group minerals (florencite, gorceixite, goyazite), and cerianite; these are secondary rather than |  | Broom-Fendley, Sam, Wall, Frances, Spiro, Baruch, Ullmann, Clemens V. (2017) Deducing the source and composition of rare earth mineralising fluids in carbonatites: insights from isotopic (C, O, 87Sr/86Sr) data from Kangankunde, Malawi. Contributions to Mineralogy and Petrology, 172 (11) doi:10.1007/s00410-017-1412-7 | Journal (article/letter/editorial) | | et al. 1998, 2002, 2015); Barra do Itapirapuã, Brazil (Andrade et al. 1999; Ruberti et al. 2008); and...1995; Cressey et al. 1999). Bastnäsite-(Ce) and goyazite–florencite-(Ce) are also important REE minerals...latestage quartz-rich rocks, including florencite–goyazite and apatite. The latter mineral displays evidence...(bromoform, 2.82 g cm−3). Composite grains and goyazite–florencite contamination was removed by hand-picking...Greenwood (NIGL) for O isotope data in quartz, Barbara Barreiro (NIGL) for 87Sr/86Sr isotope data, Gary Jones |  | Smith, M.P., Moore, K., Kavecsánszki, D., Finch, A.A., Kynicky, J., Wall, F. (2016) From mantle to critical zone: A review of large and giant sized deposits of the rare earth elements. Geoscience Frontiers, 7 (3) 315-334 doi:10.1016/j.gsf.2015.12.006 | Journal (article/letter/editorial) | | (Moore et al., 2015). ACCEPTED MANUSCRIPT Araxá – Araxá is a carbonatite intrusion-hosted deposit, which...forms part of the Alto Paranaiba Province, Southern Brazil (Traversa et al., 2000). It consists of a 4.5 km...intruding Proterozoic schists and quartzites of the Araxá Group. It has 2.5 km wide, fenite aureole (Traversa...references in Traversa et al., 2000). Pyrochlore from Araxá supplies the bulk of the World’s niobium. There...neoformed apatite and monazite-(Ce), crandallite, goyazite, gorceixite, and florencite-(Ce), with the HREE |  | Chakhmouradian, Anton R., Reguir, Ekaterina P., Kressall, Ryan D., Crozier, Jeremy, Pisiak, Laura K., Sidhu, Ravinder, Yang, Panseok (2015) Carbonatite-hosted niobium deposit at Aley, northern British Columbia (Canada): Mineralogy, geochemistry and petrogenesis. Ore Geology Reviews, 64. 642-666 doi:10.1016/j.oregeorev.2014.04.020 | Journal (article/letter/editorial) | | the supply market is essentially controlled by Brazil (N90% since 2000: IBRAM, 2012; Moreno, 2011), it...their own sources of this element independent of Brazil (e.g., Dzhumaylo and Skorobogat'ko, 2013; Pistilli...Ta)2O6] from granites and pegmatites of Africa and Brazil (Bastos Neto et al., 2009; Melcher et al., in this...Johnson/ Pawnee Co's, Nebraska, USA Barreiro, Araxá, Minas Gerais, Brazil Boa Vista and other projects, Catalão...Catalão I and II, Goiás, Brazil Neoprot.? Upper Permian? Lateritic profile with reduced horizons over |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite |  | Janots, Emilie, Negro, François, Brunet, Fabrice, Goffé, Bruno, Engi, Martin, Bouybaouène, Mohamed L. (2006) Evolution of the REE mineralogy in HP–LT metapelites of the Sebtide complex, Rif, Morocco: Monazite stability and geochronology. Lithos, 87 (3) 214-234 doi:10.1016/j.lithos.2005.06.008 | Journal (article/letter/editorial) | | with florencite-rich composition and variable goyazite content are the dominant LREE minerals in the...monazite comes from the Itambe peg- matite district (Brazil) and it has an age of 474 F 1 Ma (Seydoux-Guillaume...mol% florencite, (LREE)Al3 (PO4)2(OH)6, 31 mol% goyazite, SrAl3(PO4)2(OH)5. H2O, and 4 mol% crandallite...under greenschist facies conditions by Smith and Barreiro (1990) and, at temperatures around 400 8C (biotite...340. Maksimovic, Z., Panto, G., 1985. Neodymian goyazite in the bauxite deposit of Vlasenica, Yugoslavia |  | | Journal (article/letter/editorial) | | monazite-(Ce), bastnaesite-(Ce), parisite-(Ce), and goyazite. Most of the silica removed from the country rock...Carbonatite complex 1 2 3 Amba Dongar Otjisazu Araxá Total (km2) 6.7 11.9 21.2 km2 3.2 0.9 7.0 % 47...Paleoproterozoic collision zone of the Borborema province, NE Brazil (EJ dos Santos et al. 2013; RV Santos et al. 2013);...Mount Weld, Australia (Lottermoser 1990) and Araxá, Brazil (Neumann and Medeiros 2015). The REE mineralisation...Nb (Figures 21(c, d) and 23 (a); e.g. Catalão, Brazil; Lueshe, Democratic Republic of Congo; and St. |  | Marignac, Christian, Cuney, Michel, Cathelineau, Michel, Lecomte, Andreï, Carocci, Eleonora, Pinto, Filipe (2020) The Panasqueira Rare Metal Granite Suites and Their Involvement in the Genesis of the World-Class Panasqueira W–Sn–Cu Vein Deposit: A Petrographic, Mineralogical, and Geochemical Study. Minerals, 10 (6) 562 doi:10.3390/min10060562 | Journal (article/letter/editorial) | | PAN-16-9). (K) In the greisenised G4 granite, an APS (goyazite-florencite solid solution), with uraninite nano-inclusions...overgrowth apatite in ofthe an greisenised APS (goyazite-florencite solid solution), large crystal on of...solution goyazite-florencite, metal-poor of sector of a sector zoned crystal, formed goyazite, a: c: fibrous...fibrous solid solution goyazite-florencite, b: metal-poor sector of a sector zoned crystal, by metal-rich...solid solution goyazite-florencite (OZ is due to variations in Srformed and LREE goyazite, c:(C) metal-rich |  | | Report (issue) | | Paulista phosphate deposit in Pernambuco State, Brazil, in Notholt, A.J.G., Sheldon, R.P., and Davidson...adjacente incluindo depósitos minerais: Brasilia, Brazil, Departamento Nacional da Producao Mineral, p....1989a, The Jacupiranga apatite deposit, Sao Paulo, Brazil, in Notholt, A.J.G., Sheldon, R.P., and Davidson...1989b, The Ipanema phosphate deposit, Sao Paulo, Brazil, in Notholt, A.J.G., Sheldon, R.P., and Davidson...of Catalao I ultramafic alkaline complex, Goias, Brazil, in Notholt, A.J.G., Sheldon, R.P., and Davidson |  | | Book | | Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto) 22: 183-185 ALTO BERNARDINO Burian goyazite from [Alto...[Alto Bernardino, Paraiba,] Brazil (by J. S. White, Jr.) 12:379 ALUMOHYDROCALCITE Chromian alumohydrocalcite...and muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized...Pitora, Minas Gerais, Brazil 21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil...and platinum from C6rrego Born Sucesso, Minas Gerais, Brazil 23:471-474 AMARGOSA DESERT Hydroboracite |  | | Journal (article/letter/editorial) | | carbonatite occurrences of Araxfi and CatalS.o, Brazil, St Honorr. Canada and Lueshe, Zaire. These four...and as a by-product of some tin production. In Brazil and Zaire intense weathering of the carbonatite...pyrochlore in the world's largest deposit at Araxzi, Brazil (Issa Filho et al., 1984), was first described...carbonatite. Low levels of REE in abundant crandallite-goyazite and grains of rhabdophane found as inclusions...of the Barreiro Carbonatitic Complex, Arax~i, MG, Brazil. In Carbonatitic complexes Of Brazil: geology |  | | Report (issue) | | peri-Gondwanan terrane . . . . . . . . . 315 Juan Gómez Barreiro, José R. Martínez Catalán, Ricardo Arenas, Pedro...15001, 91501-970 Porto Alegre, Rio Grande do Sul, Brazil ABSTRACT The southern Brazilian Shield comprises...of orogenic evolution can be observed throughout Brazil. The Brasiliano belts cannot be directly linked...Gondwana assembly. Precambrian units in southernmost Brazil (in the state of Rio Grande do Sul) record a tectonometamorphic...and age data with other Neoproterozoic belts in Brazil, southwestern Africa, and other Gondwana belts |  | | Book (edition) | | International Symposium on Carbonatites in Pocos de Caldas, Brazil for which this writer was keynote speaker. The... Pakistan, Quebec, Finland, Guyana, Venezuela, Brazil, Paraguay, Angola and South-West Africa, i.a. Carbonatites...Quebec and Araxa, Brazil) and important sources of P, Ti, Cu and CaCO; (Jacupiranga, Brazil). In addition...Carbonatites of the World United States Canada Brazil Greenland, Europe, and the U.S.S.R. Africa India...Algoma-Sudbury districts of Ontario (Parsons, 1961). For Brazil few detailed reports are available, but summaries |  | | Journal (article/letter/editorial) | | allanite to monazite were described, e.g., by Smith & Barreiro (1990); Wing et al. (2003); Janots et al. (2006...phosphates, (e.g., lazulite, bearthite, svanbergite–goyazite). Florencite and allanite were not observed and...Mineral. Petrol., 112, 341–357. Smith, H.A. & Barreiro, B. (1990): Monazite U-Pb dating of staurolite |  | | Journal (volume) | | Deposits in the Carajás Mineral Province, Pará State, Brazil Rosaline Figueiredo e Silva, Lydia Maria Lobato...educated Dutch geologist and permanent resident of Brazil with an M.Sc. degree in metamorphic geology, under...in the Espinhaço Range and has worked widely in Brazil and shield South America, mainly on exploration...geologic, mineral resources, and geotectonic map of Brazil, published in 4 sheets and in DVDGIS format with...degree in geology from the Federal University of Minas Gerais in 2002, with project focus on the Engenho D´Água |  | | Journal (article/letter/editorial) | | Gmelinite-(Na) Goethite Gold native Goldfieldite Gorceixite Goyazite Graphite Gratonite Greenalite Greenockite Gregoryite...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet...Canada, Dore Lake, Australia, Campo Formoso, Bahia-Brazil) (Barnes and Francis, 1995; Leinonen, 1998; Kojonen...ultrabasic rocks such as in the Bacuri Complex-Amapa, Brazil (Spier and Filho, 2001). Further sites are found | | | Journal (article/letter/editorial) | | Gmelinite-(Na) Goethite Gold native Goldfieldite Gorceixite Goyazite Graphite Gratonite Greenalite Greenockite Gregoryite...gold-bearing quartz veins in the southern Para State, Brazil (Angelica et al., 1997). Chromium muscovite named...conglomerate-hosted U deposits of the Randtype at Jacobina, Brazil (pers. com. P. Laznicka). Chromium-bearing garnet...Canada, Dore Lake, Australia, Campo Formoso, Bahia-Brazil) (Barnes and Francis, 1995; Leinonen, 1998; Kojonen...ultrabasic rocks such as in the Bacuri Complex-Amapa, Brazil (Spier and Filho, 2001). Further sites are found |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the...Croneis and Billings (1929) described breccias at Brazil Branch and Oppelo containing angular and rounded |  | | Report (issue) | | rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and...chart showing niobium resources and reserves in Brazil, Canada, and the United States...................industrialization in large developing countries, such as Brazil, China, and India. In addition, the development...cobalt (Democratic Republic of the Congo), niobium (Brazil), and platinum (South Africa), are also considered...Zhayrem (Gauert, 2001). 80° Neuquen-Mendoza Araxá Camamu 0° Jameson Land basin Jbel Irhoud 45° |  | | Report (volume) | | face of apatite from the Golconda Mine, Minas Gerais Brazil. The three vicinal faces of the hillock exhibit...reported on the {100} faces of apatites from Minas Gerais, Brazil (Rakovan and Reeder 1994). The formation...of a fluorapatite from the Golconda Mine, Minas Gerais, Brazil. Image is ~666 μm vertical. [Modified after...of a fluorapatite from the Golconda Mine, Minas Gerais, Brazil. Image is ~1 mm across. [Used by permission...United States, Australia, South Africa, Sri Lanka, Brazil, India, Malagasy, and Canada. As shown in Table |  | | Book | | deposits (e.g. Cons. Lafaiete and Serra do Navio, Brazil; Section 23.3.5. and Fig. 23-10), are rare. One...in the Santa Catarina crystalline complex, S.E. Brazil (Morro da Fumaca) and elsewhere. Of the minor metallic...provinces (the Brito-Arctic Province, Atlantic coast of Brazil). Small plateau-basalt provinces are frequently...amygdaloidal basalts (as in the Alto Uruguai area, Brazil; Szubert et al., 1981) and interflow felsic conglomerates...various areas of the world (Table 31-2). In southern Brazil and Uruguay frequent showings are associated with |  | | Book | | deposits (e.g. Cons. Lafaiete and Serra do Navio, Brazil; Section 23.3.5. and Fig. 23-10), are rare. One...in the Santa Catarina crystalline complex, S.E. Brazil (Morro da Fumaca) and elsewhere. Of the minor metallic...plateau-basalt provinces are Atlantic coast of Brazil). frequently linear and often discontinuous. They...amygdaloidal basalts (as in the Alto Uruguai area, Brazil; Szubert et al., 1981) and interflow felsic conglomerates...various areas of the world (Table 31-2). In southern Brazil and Uruguay frequent showings are associated with |  | | Journal (volume) | | Myanmar Emeralds from the Piteiras mine, Minas Gerais State, Brazil: genetic implications from fluid inclusion...Piteiras mine in Itabira is located in the Minas Gerais State, Brazil and produces gem quality emeralds. Ultramafic...property. “Gem-quality” alexandrite specimens from Brazil, India, Madagascar, Russia, Sri Lanka, and Tanzania...sources. Alexandrite samples from the Hematita mines (Brazil) have typically high Sn (up to 2294 ppm) concentrations...showing LA-ICP-MS data [ppm] for alexandrites from Brazil (BZ), Madagascar (MAD), Russia, Sri Lanka, and |  | Kogel, Jessica Elzea, Trivedi, Nikhil C., Barker, James M., Krukowski, Stanley T. - Eds. (2006) Industrial Minerals and Rocks (7th ed.) Society for Mining, Metallurgy, and Exploration, Inc., Littleton, CO. | Book (edition) | | concentrat ed in southern Africa, the Siberian Platform, Brazil, and Western Australia. Ages range from Precambrian...associated with pegmatites in locations such as Brazil, the former U.S.S.R., and western Canada, pro duction...Venezuela, Guyana, Surinam, Guiana, and parts of Brazil and Colombia) • Northern Brazilian Shield Province...coming from Australia, Guinea, Jamaica, China, and Brazil. Nonmetallurgical grades used for refractories...specific deposits in China, Australia, Guinea, Brazil, Guyana, and Suriname. Fluorspar Manganese Lithium |
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