 | Pereira, Lucas, Birtel, Sandra, Möckel, Robert, Michaux, Bruno, Silva, Andre C., Gutzmer, Jens (2019) Constraining the Economic Potential of By-Product Recovery by Using a Geometallurgical Approach: The Example of Rare Earth Element Recovery at Catalão I, Brazil. Economic Geology, 114 (8) 1555-1568 doi:10.5382/econgeo.4637 | Journal (article/letter/editorial) | | Example of Rare Earth Element Recovery at Catalão I, Brazil Lucas Pereira,1,† Sandra Birtel,1 Robert Möckel...University of Goiás, Mine Engineering Department, Capes Scholarship POS-DOC-88881.119296/2016–01, Catalão, Brazil...at the Chapadão mine in the Catalão I carbonatite complex is used. Catalão I is part of the Alto Paranaíba...in the Goias Province of Brazil. Currently, niobium is produced in the complex as a by-product of the Chapadão...by-product—without placing limitations on niobium production. Monazite, the most common rare earth mineral identified |  | Oliveira, Ítalo L., Brod, José A., Cordeiro, Pedro F.O., Dantas, Elton L., Mancini, Luis H. (2017) Insights into the late-stage differentiation processes of the Catalão I carbonatite complex in Brazil: New Sr–Nd and C–O isotopic data in minerals from niobium ores. Lithos, 274. 214-224 doi:10.1016/j.lithos.2016.12.034 | Journal (article/letter/editorial) | | Differentiation Processes of the Catalão I Carbonatite Complex in Brazil: New Sr-Nd and C-O Isotopic Data in...Differentiation Processes of the Catalão I Carbonatite Complex in Brazil: New Sr-Nd and C-O Isotopic Data in...Differentiation Processes of the Catalão I Carbonatite T Complex in Brazil: New Sr-Nd and C-O Isotopic Data...Universidade Federal de Goiás, Campus Aparecida de MA b NU Brasília, DF 70.910-900, Brazil Goiânia, Aparecida...Aparecida de Goiânia, GO 74.968-755, Brazil TE D *Corresponding author: Ítalo L. de Oliveira Telephone: |  | 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) | | h o m e p a g e : w w w. e l s ev i e r. c o m / l o c a t e / l i t h o s Mineral chemistry, isotope...niobium-rich rocks from the Catalão I carbonatite-phoscorite complex, Central Brazil Pedro F.O. Cordeiro a...Brasília-DF, Brazil Instituto De Estudos Socio-Ambientais, Universidade Federal De Goiás, Goiânia-GO,... Brazil a r t i c l e i n f o Article history: Received 28 July 2009 Accepted 15 April 2010 Available...June 2010 Keywords: Phoscorite Nelsonite Carbonatite Catalão I Tetra-ferriphlogopite Apatite a b s t r |  | Cordeiro, Pedro Filipe de Oliveira, Brod, José Affonso, Palmieri, Matheus, de Oliveira, Claudinei Gouveia, Barbosa, Elisa Soares Rocha, Santos, Roberto Ventura, Gaspar, José Carlos, Assis, Luis Carlos (2011) The Catalão I niobium deposit, central Brazil: Resources, geology and pyrochlore chemistry. Ore Geology Reviews, 41 (1) 112-121 doi:10.1016/j.oregeorev.2011.06.013 | Journal (article/letter/editorial) | | s ev i e r. c o m / l o c a t e / o r e g e o r ev The Catalão I niobium deposit, central Brazil: Resources...Geociências, Brasília-DF, 70910-900 Brazil Universidade Federal de Goiás, Campus Samambaia, Instituto de...Universidade Federal de Goiás, Goiânia-GO, 74001-970 Brazil Anglo American Brazil LTDA, Avenida Interlândia...Santa Genoveva, Goiânia-GO, 74672-360 Brazil a r t i c l e i n f o Article history: Received 24 March...Keywords: Catalão I Carbonatite Phoscorite Nelsonite Pyrochlore a b s t r a c t The Catalão I alkalin |  | 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) | | Pb isotopic ratios yield evidence that HIMU and EM I mantle components played an important role in the...and Comin-Chiaramonti (2017), a total of 30 carbonatite occurrences have been described, most of them...described: the lava flows of Santo Antônio da Barra, in Goiás (Gaspar & Danni 1981, Moraes 1988), and those of...Universidade de São Paulo – USP, São Paulo (SP), Brazil. E-mails: cgomes@usp.br, rgazzone@usp.br, exrubert@usp...General information on the carbonatite occurrences of different regions of Brazil, Paraguay and Bolivia. |  | De Toledo, M. C. M., Lenharo, S. L.R., Ferrari, V. C., Fontan, F., De Parseval, P., Leroy, G. (2004) THE COMPOSITIONAL EVOLUTION OF APATITE IN THE WEATHERING PROFILE OF THE CATALAO I ALKALINE-CARBONATITIC COMPLEX, GOIAS, BRAZIL. The Canadian Mineralogist, 42 (4) 1139-1158 doi:10.2113/gscanmin.42.4.1139 | Journal (article/letter/editorial) | | WEATHERING PROFILE OF THE CATALÃO I ALKALINE-CARBONATITIC COMPLEX, GOIAS, BRAZIL M. CRISTINA M. DE TOLEDO§...types of apatite from the Catalão I alkaline-carbonatitic complex, Goias, Brazil, were determined by optical...defined and established for the Catalão I alkaline-carbonatitic complex are quite common and widely distributed...in all carbonatitic phosphatic raw materials in Brazil, as observed in previous studies. The coexistence...Keywords: apatite, phosphate, phosphate ore, carbonatite, weathering, lateritization, hydrothermal alteration |  | | Journal (article/letter/editorial) | | priderite in phlogopitites from the Catal o I carbonatite complex, Brazil Jos~ C. GASPAR, ANT6~O J. G. CONCEIf~...Universidade de Brasilia, 70910-900 Brasilia D.F., Brazil Abstract Magnetite grains with exsolved ilmenite...phlogopitites of the Catal~o I carbonatite complex, Goi~is State, Brazil. The ilmenite is transformed...ilmenite and rutile. Chalcopyrite, magnetite, monazite, and pyrochlore also occur inside the area of...kimberlites. KEYWORDS:priderite, carbonatite, phlogopite, ilmenite, Brazil Introduction PRIDERITE, as a member |  | Decrée, Sophie, Boulvais, Philippe, Tack, Luc, André, Luc, Baele, Jean-Marc (2016) Fluorapatite in carbonatite-related phosphate deposits: the case of the Matongo carbonatite (Burundi) Mineralium Deposita, 51 (4) 453-466 doi:10.1007/s00126-015-0620-1 | Journal (article/letter/editorial) | | Fluorapatite in carbonatite-related phosphate deposits: the case of the Matongo carbonatite (Burundi) Sophie...Matongo carbonatite intrusive body in the Neoproterozoic Upper Ruvubu alkaline plutonic complex (URAPC)...07–0.24 wt% LREE2O3 but locally associated with monazite) and coeval siderite constitute the matrix of...by-products of phosphates. Keywords Fluorapatite . Carbonatite-related ore deposits . Matongo . Neoproterozoic...carbonatites. It has been mined in South Africa, Zimbabwe, Brazil, Finland, and Sri Lanka (Pell 1996), mainly to |  | | Journal (issue) | | François SOUBIÈS, Moussa BOUNAKHLA REE minerals in Catalão II, Goias, Brasil ...............................– Intruded into volcanites (sills, stocks and complex networks). 3 – Subvolcanic intrusions (sills, dikes...at this domain, the magmatic rocks occur as a complex – multistage intrusions, characterized by a porphyritic...7792, Bucharest Cioflica Gr., Jude R., Berbeleac I., Lupulescu M., Costea D., Costea A., 1999. Epithermal...Apuseni Mts., Romania. Revue Roumaine de Géologie, I. 43, p. 3-18, Bucharest Cochet R., 1957. Geological |  | El Bamiki, Radouan, Raji, Otmane, Ouabid, Muhammad, Elghali, Abdellatif, Khadiri Yazami, Oussama, Bodinier, Jean-Louis (2021) Phosphate Rocks: A Review of Sedimentary and Igneous Occurrences in Morocco. Minerals, 11 (10) 1137 doi:10.3390/min11101137 | Journal (article/letter/editorial) | | genesis of high-grade phosphate rocks results from complex concentration mechanisms involving several (bio)geochemical...specific paleo-environmental conditions, and involve complex biogeochemical processes during early diagenesis...sedimentary phosphates, Morocco hosts several carbonatite and carbonatite–alkaline complexes that could be associated...phosphates are the result of interaction between complex biogeochemical processes that occur under particular...(Figure 2): (i) Pristine phosphate, corresponding to the authigenic facies as deposited originally (i) Pristine |  | Broom-Fendley, Sam, Smith, Martin P, Andrade, Marcelo B, Ray, Santanu, Banks, David A, Loye, Edward, Atencio, Daniel, Pickles, Jonathan R, Wall, Frances (2020) Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia: oxidation state, substitution mechanism, and formation conditions. Mineralogical Magazine, 84 (1) 35-48 doi:10.1180/mgm.2019.79 | Journal (article/letter/editorial) | | Sulfur-bearing monazite-(Ce) from the Eureka carbonatite, Namibia: oxidation state, substitution mechanism...Paulo, PO Box 369, 13560-970, São Carlos, SP, Brazil 4 School of Earth and Environment, University...562, 05508-080 São Paulo, SP, Brazil Running title: “Sulfur-bearing Monazite-(Ce) from Eureka, Namibia”...79 Keywords Sulfur-bearing monazite-(Ce) Redox Carbonatite Silcrete Calcrete Weathering...Weathering Abstract Sulfur-bearing monazite-(Ce) occurs in silicified carbonatite at Eureka, Namibia, forming |  | | Report (issue) | | United States in 2013. The orebody is a tabular carbonatite intrusion and is thought to be the largest REE....O6 Rare-Earth-Element-Mineral Formation in Carbonatite Magmas.....................................O7...The REE-bearing minerals are diverse and often complex in composition. At least 245 individual REE-bearing...xenotime-monazite accumulations in mafic gneiss, (f) ion-absorption clay deposits, and (g) monazite-xenotimebearing...the world’s primary source of the heavy REEs. Monazite-bearing placer deposits were important sources |  | | Report (issue) | | PLURINATIONAL STATE OF BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI............. 72 Polymetallic iron oxide breccia complex deposits ........................................major types of uranium deposits were recognized [6]: (i) Deposits originating from ‘warm fluids’ with three...deposit, of which six had economic significance: (i) (ii) (iii) (iv) 2 Oligomictic quartz-pebble conglomerate;...Sandstone; Quartz-pebble conglomerate; Veins; Breccia complex; Intrusive; Phosphorite; Collapse breccia pipe; |  | | Journal (article/letter/editorial) | | on deposit- to outcrop-scale description of carbonatite- and alkaline igneous-associated REE-HFSE mineralization...These commodities are mainly associated with carbonatite and alkaline igneous rocks and their weathered...exploration has focused on deposit- to outcrop-scale carbonatite and alkaline igneous bodies identified by: Geological...precious metal deposits [5]. Many of the >500 known carbonatite occurrences [8] remain under evaluated. The result...REE mining from only a few deposits related to carbonatite and alkaline igneous bodies [1,9], e.g., the |  | | Report (issue) | | LCC TN23 .C67 2017 | DDC 333.8/50973--dc23 | SUDOC I 19.16:1802 LC record available at https://lccn.loc...rare-earth elements, and antimony in China; niobium in Brazil; and platinum-group elements in South Africa and...Schulte..................................H1 Chapter I. Germanium and Indium By W.C. Pat Shanks III, Bryn...solubility of fluorite as a function of temperature for complex Na-Ca-Mg-Cl brines from ambient temperatures to...related to strongly differentiated granites, for carbonatite-related fluorspar deposits, and for veins from |
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