 | Gomide, Caroline Siqueira, Brod, José Affonso, Junqueira-Brod, Tereza Cristina, Buhn, Bernhard Manfred, Santos, Roberto Ventura, Barbosa, Elisa Soares Rocha, Cordeiro, Pedro Filipe Oliveira, Palmieri, Matheus, Grasso, Carla Bertuccelli, Torres, Murilo Gomes (2013) Sulfur isotopes from Brazilian alkaline carbonatite complexes. Chemical Geology, 341. 38-49 doi:10.1016/j.chemgeo.2013.01.006 | Journal (article/letter/editorial) | | de Brasília (UnB), CEP 70910-900, Brasília, DF, Brazil Instituto de Estudos Sócio-Ambientais, Universidade... Caixa Postal 131, CEP 74001-970, Goiânia, GO, Brazil Laboratório Multiusuário de Microscopia de Alta... Caixa Postal 131, CEP 74001-970, Goiânia, GO, Brazil d Anglo American, Mineração Catalão Ltda, Rodovia...s/n - Fazenda Chapadão, Zona Rural, Ouvidor, GO, Brazil e Vale Fertilizantes, Fazenda Chapadão, s/n - Zona...Zona Rural, CEP 75701-970, Catalão, GO, Brazil f Universidade Católica de Brasília, QS 07 lote 01 EPCT |  | Cordeiro, Pedro F.O., Brod, José A., Dantas, Elton L., Barbosa, Elisa S.R. (2010) Mineral chemistry, isotope geochemistry and petrogenesis of niobium-rich rocks from the Catalão I carbonatite-phoscorite complex, Central Brazil. Lithos, 118 (3) 223-237 doi:10.1016/j.lithos.2010.04.007 | Journal (article/letter/editorial) | | rocks from the Catalão I carbonatite-phoscorite complex, Central Brazil Pedro F.O. Cordeiro a,⁎, José A....Geociências, Universidade De Brasília, Brasília-DF, Brazil Instituto De Estudos Socio-Ambientais, Universidade...Universidade Federal De Goiás, Goiânia-GO, Brazil a r t i c l e i n f o Article history: Received 28 July...2010 Available online 17 June 2010 Keywords: Phoscorite Nelsonite Carbonatite Catalão I Tetra-ferriphlogopite...Apatite a b s t r a c t The Catalão I carbonatite complex is part of the Late-Cretaceous Alto Paranaíba Igneous |  | Barbosa, Elisa Soares Rocha, Brod, José Affonso, Cordeiro, Pedro Filipe Oliveira, Junqueira-Brod, Tereza Cristina, Santos, Roberto Ventura, Dantas, Elton Luiz (2020) Phoscorites of the Salitre I complex: Origin and petrogenetic implications. Chemical Geology, 535. 119463 doi:10.1016/j.chemgeo.2020.119463 | Journal (article/letter/editorial) | | com/locate/chemgeo Phoscorites of the Salitre I complex: Origin and petrogenetic implications a,b,d a...- UFG), CEP: 74968755 Aparecida de Goiânia, GO, Brazil Instituto de Geociências – Universidade de Brasília...Brasília (IG – UnB), CEP: 70910-900 Brasília, DF, Brazil Departamento de Ingeniería de Minería - Pontificia...para o Desenvolvimento Científico e Tecnológico, Brazil b c A R T I C LE I N FO A B S T R A C T Editor:...Dingwell The Salitre I complex is a kidney-shaped alkaline-carbonatite-phoscorite complex part of the Late |  | Barbosa, Elisa Soares Rocha, Brod, José Affonso, Junqueira-Brod, Tereza Cristina, Dantas, Elton Luiz, Cordeiro, Pedro Filipe de Oliveira, Gomide, Caroline Siqueira (2012) Bebedourite from its type area (Salitre I complex): A key petrogenetic series in the Late-Cretaceous Alto Paranaíba kamafugite–carbonatite–phoscorite association, Central Brazil. Lithos, 144. 56-72 doi:10.1016/j.lithos.2012.04.013 | Journal (article/letter/editorial) | | com/locate/lithos Bebedourite from its type area (Salitre I complex): A key petrogenetic series in the Late-Cretaceous...Paranaíba kamafugite–carbonatite–phoscorite association, Central Brazil Elisa Soares Rocha Barbosa a, b...Federal de Goiás (UFG), CEP 74.001-970, Goiânia, GO, Brazil Instituto de Geociências, Universidade de Brasília...Brasília, Campus Asa Norte, 70.910-900 Brasília, DF, Brazil CNPq - Conselho Nacional para o Desenvolvimento...Desenvolvimento Científico e Tecnológico, Brasília, DF, Brazil a r t i c l e i n f o Article history: Received 30 |  | Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | | Universidade de São Paulo – USP, São Paulo (SP), Brazil. E-mails: cgomes@usp.br, rgazzone@usp.br, exrubert@usp...carbonatite occurrences of different regions of Brazil, Paraguay and Bolivia. Locality Occurrence Petrography...Petrography Mineralogy Age References BRAZIL Ribeira Valley 1 Barra do Itapirapuã Dike, vein, breccia..., Flo, Op (Hm, Il), Ch n.d. 75, 76 15 Araxá (Barreiro) Stock, dike Mg-ca, Ca-ca, Fe-ca Gl, Py,...Toniolo et al. (2013); 76, Monteiro et al. (2016); Araxá: 77, Issa Filho et al. (1984); 78, Traversa et al |  | | Journal (article/letter/editorial) | | there are only three operating Nbmines [Araxá and Catalão-II (Brazil) and St. Honoré (Canada)]. All produce...the primary sources. The Brazilian deposits at Araxá, Catalão-I and II, and Seis Lagos are examples of...Pekov, 2000) in the lujavrites of the Lovozero complex from which a concentrate with about 8 wt.% Nb2O5...Nb, due to the penchant for the element to form complex anions (NbO34 −; NbO76 −; Nb2O26 −) which cannot...Nb minerals whose structure is based upon these complex ions. Typically, basaltic rocks contain less than |  | | Journal (article/letter/editorial) | | youngest parts of a carbonatite-alkaline rock complex that formed during fractional crystallization of...2015 (Mt) Reserves (Mt) Igneous phosphorites Brazil Russia South Africa 6.04 11.00 2.16 6.70 12.50...phosphate rock is the Devonian Khibina Alkaline Complex in Russia’s Kola Peninsula (Fig. 2), with seven...rock production. Igneous phosphate deposits in Brazil, most associated with Cretaceous alkaline carbonatite...2016). Although the Paleoproterozoic Phalabora Complex in South Africa only produced 2.20 Mt (10%) in |  | | Journal (article/letter/editorial) | | geological work at the Alnö Island alkaline-carbonatite complex in 1889. The history of carbonatite research up...(fenitisationtype metasomatism), and alkaline-carbonatite complex morphology to the exploration geologist, (iii)...studies. We use the term alkaline-carbonatite complex to denote occurrences where magmatic and or carbohydrothermal...hosted by a carbonatite or alkaline-carbonatite complex, be situated at the contact between the intrusion...reported at the St.-Honoré alkaline-carbonatite complex (Canada) by Kamenetsky et al. (2015), further supporting |  | | Report (issue) | | subsurface geology of the Saint-Honoré carbonatite complex in southern Quebec, Canada, and a schematic north-south...chart showing niobium resources and reserves in Brazil, Canada, and the United States...................minerals. Niobium is primarily derived from the complex oxide minerals of the pyrochlore group ((Na,Ca...lithium-cesium-tantalum (LCT)type pegmatites). Brazil and Canada are the leading nations that produce...produce niobium mineral concentrates, but Brazil is by far the leading producer, accounting for about 90 percent |  | | Journal (article/letter/editorial) | | Weathered crusts overlying carbonatite complexes in Brazil and one hard rock carbonatite deposit in Canada...currently Mibra Mine, Volta Grande (Brazil), the Pitinga Mine (Brazil) and Marropinno (Mozambique). The...Papp (2009a, 2011a, 2013a) 1200 1000 Australia Brazil Canada 800 Rwanda Mozambique 600 Other World...Russia and India. Production comes primarily from Brazil. Production from Canada and other 500 400 300...and Papp (2009a, 2011b, 2013b) 70000 60000 50000 Brazil 40000 Canada 30000 Other World Total 20000 |  | Melgarejo, Joan C., Costanzo, Alessandra, Bambi, Aurora C.J.M., Gonçalves, Antonio O., Neto, Andrés B. (2012) Subsolidus processes as a key factor on the distribution of Nb species in plutonic carbonatites: The Tchivira case, Angola. Lithos, 152. 187-201 doi:10.1016/j.lithos.2012.06.024 | Journal (article/letter/editorial) | | 187–201 Fig. 1. Geological map of the Tchivira complex. J.C. Melgarejo et al. / Lithos 152 (2012) 187–201...economic point of view: the Seis Lagos deposit in Brazil, the largest Nb deposit in the world, has reserves...superposition of two or more of these processes produces complex mineral successions. The different types of alteration...Ma) riftogenic domain. 4. The Tchivira Complex The Tchivira Complex is a ring structure more than 12 km...sequences in the different carbonatite units are very complex but show some common trends (Fig. 2). 5.1. Primary |  | Hurai, Vratislav, Huraiová, Monika, Gajdošová, Michaela, Konečný, Patrik, Slobodník, Marek, Siegfried, Pete R. (2018) Compositional variations of zirconolite from the Evate apatite deposit (Mozambique) as an indicator of magmatic-hydrothermal conditions during post-orogenic collapse of Gondwana. Mineralogy and Petrology, 112 (3) 279-296 doi:10.1007/s00710-017-0538-7 | Journal (article/letter/editorial) | | chemical composition of zirconolites reflects the complex history of the Evate deposit. Compositional and...1999; Kogarko et al. 2009; Zaitsev et al. 2015), phoscorite (Zaitsev et al. 2015; Bulakh et al. 1999b), syenite...1980); Jacupiranga, Brazil (Bellatreccia et al. 1999); Araxá, Minas Gerais, Brazil (Mariano 1993 in Williams...Island, Malawi (Platt et al. 1987); Itatiaia, Brazil (Melusso et al. 2017); Laacher See, Germany (Della...Vestfold Hills, Antarctica (Harley et al. 1994); Kimi complex, Greece (Proyer et al. 2014); Styria, Eastern Alps |  | Elliott, H.A.L., Wall, F., Chakhmouradian, A.R., Siegfried, P.R., Dahlgren, S., Weatherley, S., Finch, A.A., Marks, M.A.W., Dowman, E., Deady, E. (2018) Fenites associated with carbonatite complexes: A review. Ore Geology Reviews, 93. 38-59 doi:10.1016/j.oregeorev.2017.12.003 | Journal (article/letter/editorial) | | have been identified between the presence of more complex veining textures, mineralogy and brecciation in...carbonatite-related laterite deposits at Araxá and 5 90 Catalão II, Brazil (e.g. Mitchell, 2015); carbonatite...produced from 164 parent alkaline magmas via a complex combination of liquid immiscibility and/or 165...of hydrothermal 181 fluids in and around the complex. With very few exceptions (e.g. Arzamastsev et...(1921) in his 186 memoir on the Fen carbonatite complex, Norway. Since the initial studies of the 187 |  | 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) | | the primary igneous source, but the grade is a complex function of igneous source, magmatic crystallisation...molal Na2O+K2O/Al2O3>1.2, and the formation of complex Zr and Ti minerals such as eudialyte – such rocks...host marble. The geochronology of the ores is complex, with periods defined from 1230– 1350 Ma (largely...2015). SC Bear Lodge– The Bear Lodge Carbonatite complex is not currently mined, but hosts potentially economic...by Moore et al. (2015). The Bear Lodge Alkaline Complex is part of the Black Hills Intrusive Belt, South |  | Chakhmouradian, Anton R., Cooper, Mark A., Reguir, Ekaterina P., Moore, Meghan A. (2017) Carbocernaite from Bear Lodge, Wyoming: Crystal chemistry, paragenesis, and rare-earth fractionation on a microscale. American Mineralogist, 102 (6) 1340-1352 doi:10.2138/am-2017-6046 | Journal (article/letter/editorial) | | burbankite. The crystals of carbocernaite show a complex juxtaposition of core-rim, sectoral, and oscillatory...and calcite veins at the Vuoriyarvi intrusive complex in northern Karelia, Russia. The name was chosen...Kalkfeld, and Ondurakorume (Namibia), Araxá and Jacupiranga (Brazil), Rocky Boy (Montana, U.S.A.), Sturgeon...2004 to 2013, the Bear Lodge alkaline intrusive complex (ca. lat. 44°30′ N, long. 104°26′ W) was actively...Bull Hill diatreme in the central part of the complex, where numerous carbonatite dikes intersect heterolithic |  | | Report (issue) | | PLURINATIONAL STATE OF BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI....................................... 38 6.4.3. Brazil..................................................solubility of thorium reaches 100 ppm as a sulphate complex (e.g. in Italy thorium was deposited in acid hot...comparatively simple composition, other minerals are complex in their mineralogical formula and are not repeated...Cu, Fe, Zr, Ti, U and others. Examples: Araxa in Brazil, Bayan Obo in China, Fen in Norway, Sokli in Finland |  | | Report (issue) | | rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and...solubility of fluorite as a function of temperature for complex Na-Ca-Mg-Cl brines from ambient temperatures to...subsurface geology of the Saint-Honoré carbonatite complex in southern Quebec, Canada, and a schematic north-south...chart showing niobium resources and reserves in Brazil, Canada, and the United States...................showing the Rustenburg Layered Suite of the Bushveld Complex, South Africa, the surface trace of significant |
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