 | | Journal (article/letter/editorial) | | $ rare-metals mineralization at the Pitinga mine, Amazonas, Brazil Sara Lais Rahal Lenharo a,*, Peter...Brennand s/n, Imboacica, CEP: 27.925-310, Macaé, RJ, Brazil b School of Earth Sciences, James Cook University...Australia c Universidade de São Paulo, São Paulo, Brazil Received 24 November 2000; accepted 21 August 2002...Água Boa and Madeira igneous complexes at the Pitinga mine were emplaced into acid volcanic rocks of the...isotope characteristics (TDM = 2.2 – 2.4 Ga) of the Pitinga granites are similar to those of other Proterozoic |  | | Journal (article/letter/editorial) | | the Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil) Ingrid.W. Hadlich, Artur C. Bastos Neto, Nilson...the Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil), Ore Geology Reviews (2019), doi: https://doi...the Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil). Ingrid. W. HADLICH1, Artur C. BASTOS NETO2...Bento Gonçalves 9500, Porto Alegre, 91501-970, RS, Brazil. ingrid.hadlich@ufrgs.br. 2 Instituto de Geociências...Bento Gonçalves 9500, 91501-970, Porto Alegre, RS, Brazil. artur.bastos@ufrgs.br, vitor.pereira@ufrgs.br |  | Bastos Neto, A. C., Pereira, V. P., Pires, A. C., Barbanson, L., Chauvet, A. (2012) FLUORINE-RICH XENOTIME FROM THE WORLD-CLASS MADEIRA Nb-Ta-Sn DEPOSIT ASSOCIATED WITH THE ALBITE-ENRICHED GRANITE AT PITINGA, AMAZONIA, BRAZIL. The Canadian Mineralogist, 50 (6) 1453-1466 doi:10.3749/canmin.50.6.1453 | Journal (article/letter/editorial) | | ASSOCIATED WITH THE ALBITE-ENRICHED GRANITE AT PITINGA, AMAZONIA, BRAZIL Artur C. BASTOS NETO§ and Vitor P. PEREIRA...Gonçalves 950, CEP 91540-970, Porto Alegre, RS, Brazil Amanda C. PIRES Instituto de Geociências, Universidade...Ene Garcez, 2413, CEP 69304-000, Boa Vista, RR, Brazil Luc BARBANSON ISTO, Université d’Orléans, Bâtiment...The Madeira deposit (Sn, Nb, Ta) at Pitinga, Amazonia, in Brazil, is associated with the albite-enriched...elements, fluorine, albite-enriched granite, Pitinga, Amazonia, Brazil. Sommaire Le gisement Madeira, situé |  | Bastos Neto, A. C., Pereira, V. P., Ronchi, L. H., de Lima, E. F., Frantz, J. C. (2009) THE WORLD-CLASS Sn, Nb, Ta, F (Y, REE, Li) DEPOSIT AND THE MASSIVE CRYOLITE ASSOCIATED WITH THE ALBITE-ENRICHED FACIES OF THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL. The Canadian Mineralogist, 47 (6) 1329-1357 doi:10.3749/canmin.47.6.1329 | Journal (article/letter/editorial) | | THE MADEIRA A-TYPE GRANITE, PITINGA MINING DISTRICT, AMAZONAS STATE, BRAZIL Artur C. BASTOS NETO§ and Vitor...Gonçalves 950, CEP 91540–970, Porto Alegre, RS, Brazil Luiz H. RONCHI Centro de Desenvolvimento Tecnológico...Domingos Rodrigues, no. 2, 96010–440 Pelotas, RS, Brazil Evandro F. de LIMA and José C. FRANTZ Instituto...RS, Brazil Abstract The Madeira deposit, in the Pitinga mining district, Amazonas State, Brazil, is...applicable. The evolution of the A-type magmatism at Pitinga is briefly discussed. Keywords: cryolite, pyrochlore |  | | Journal (article/letter/editorial) | | Research 95 (1999) 9–39 Rapakivi granites from Brazil and adjacent areas R. Dall’Agnol *, H.T. Costi...Geociências-UFPA, Caixa Postal 1611, 66075-900 Belém, PA, Brazil Received 7 February 1997; received in revised form...Abstract A review of the rapakivi magmatism in Brazil and adjacent areas demonstrates that the dominantly...related to the Brasiliano event in southeastern Brazil. Most of the rapakivi suites of the Amazonian craton...suites have been found only in the Roraima State of Brazil. Mangerites and charnockites, associated and contemporaneous |  | | Journal (article/letter/editorial) | | Mesoproterozoic rapakivi granites: examples from Pitinga and Goiás, Brazil Sara L.R. Lenharo ,1, Márcia A. Moura...de Brası́lia, IG/GMP, 70910-900 Brası́lia, DF, Brazil Received 21 May 2001; received in revised form...The 1.8 Ga Pitinga granites */Água Boa and Madeira massifs */in Amazonas (northern Brazil) are within-plate...57 Ga (g2) rapakivi granites of Goiás (central Brazil) are coeval with the Araı́ rift basin. Granites...related to early fluid saturation. The GTP and Pitinga granites display tectonic, petrogenetic, geochemical |  | | Journal (article/letter/editorial) | | % from tin slag refining and 10 % from secondary mine concentrates. Due to rapid industrialisation and...Weathered crusts overlying carbonatite complexes in Brazil and one hard rock carbonatite deposit in Canada...Canada account for about 92 and 7 % of Nb world mine production, respectively. Since the bulk of the production...the start-up time for new operations. The Kenticha mine (Ethiopia) is a past producer that may re-enter...studies on new developments) are required in any mine as price levels vary for each deposit and are dependent |  | Costi, H. T., Dall'Agnol, R., Pichavant, M., Ramo, O. T. (2009) THE PERALKALINE TIN-MINERALIZED MADEIRA CRYOLITE ALBITE-RICH GRANITE OF PITINGA, AMAZONIAN CRATON, BRAZIL: PETROGRAPHY, MINERALOGY AND CRYSTALLIZATION PROCESSES. The Canadian Mineralogist, 47 (6) 1301-1327 doi:10.3749/canmin.47.6.1301 | Journal (article/letter/editorial) | | MADEIRA CRYOLITE ALBITE-RICH GRANITE OF PITINGA, AMAZONIAN CRATON, BRAZIL: PETROGRAPHY, MINERALOGY AND CRYSTALLIZATION...Federal do Pará, CP 8608, 66075–100, Belém, PA, Brazil Roberto DALL’AGNOL Instituto de Geociências, Universidade...Federal do Pará, CP 8608, 66075–100, Belém, PA, Brazil Michel PICHAVANT Institut des Sciences de la Terre...albite-rich granite of the Pitinga province, exploited at the Pitinga mine, in northern Brazil, crystallized from...cryolite, immiscibility, Madeira granite, Pitinga mine, Brazil. Sommaire Le granite subsolvus de Madeira |  | | Journal (article/letter/editorial) | | Macambira ~-3 1Centro de Geoci~ncias, UFPA, Bel6m, PA, Brazil 2Centre de Recherches P6trographiques et G6ochimiques...anorogener Magmatismus in der zentralen Amazonas-Provinz, Amazonas Kraton: Geochronologie, petrologische...petrologische und geochemische Aspekte In der zentralen Amazonas-Provinz sind die anorogenen Granite im 6stlichen...geology and mining resources of this wide region. In Brazil and Venezuela radar imagery was employed systematically...Dall'Agnol, 1987; Priem et al., 1989). In the Central Brazil Shield, there is a notable decrease in granite |  | | Journal (article/letter/editorial) | | Ivigtut deposit in Greenland and (b) Pitinga deposit in Brazil. Ivigtut [4]: (1) granite, (2) pegmatite... (3) cryolite ore, and (4) intrusive breccia. Pitinga [9]: (I) Madeira Complex—(1) albite granite with...ASSOCIATED TIN-RARE-METAL PITINGA DEPOSIT, BRAZIL The Pitinga rare-metal deposit in Brazil yields 12% of the...feldspar, quartz, albite, lepidolite, and scarce arfvedsonite– riebeckite phenocrysts. Their fine- and mediumgrained...xenotime, which make up a considerable part of the Pitinga deposit. Cassiterite forms both individual crystals |  | | Journal (article/letter/editorial) | | sodic hedenbergite to zirconium-rich aegirine, arfvedsonite and siderite. The authors demonstrate that the...suite in Carajás, Amazonian craton (east-central Brazil). They show that the granites, charnockites, and...Skaergaard, Greenland Mumbulla suite, Australia Carajás, Brazil Red Hill granophyres, Australia Peraluminous ...boundary. Examples include granites from Carajas, Brazil (Dall'Agnol and Oliveira, 2007; Oliveira et al...et al., 1993; Teixeira et al., 2002) and in the Pitinga province (Borges et al., 2009; Costi et al., 2000; |  | | Journal (article/letter/editorial) | | to biotite, biotite–amphibole, arfvedsonite, and aegirine–arfvedsonite granites, which were regarded in...as granite-like metasomatic rocks. Aegirine–arfvedsonite granite contains a cryolite–gagarinite assemblage...mineral-forming medium and enrichment in Na and F. Arfvedsonite granite is characterized by intergrowth of yttrofluorite...Levasheva et al., 2014). The zircon age of aegirine– arfvedsonite rocks is 2065 Ma (Larin et al., 2002; Kotov...mineralization hosted in alkali granite are known in Brazil, Nigeria, and Greenland (Antipin et al., 2006) |  | | Journal (article/letter/editorial) | | is the same as in Table 1): (1) Nechalacho; (2) Pitinga; (3) Brockman; (4) Katugin; (5) Mount Weld; (6)...37 38 39 40 41 42 43 44 45 Deposit Nechalacho Pitinga Brockman Katugin Mount Weld Argor Montviel Two...magmas. The largest deposit of this type is the Pitinga deposit on the Guyana Shield, where columbite is...and metamorphosed Katugin massif of aegirite–arfvedsonite granites (2.07 Ga) in the Stanovoi belt hosts...Mount Weld deposit (2.03 Ga), Yilgarn Craton. The mine operating here at the moment extracts only rare-earth |  | | Report (issue) | | ~port- - - - -- - - - - - - - - Graph showing world mine production of niobium concentrate, for selected...production is spread widely among several countries, and Brazil and Canada are the most significant of these producers...appear to be sufficient for the near future, but Brazil will continue to be the predominant world supplier...larger, than was established when the decision to mine was made. Experts with a sound knowledge of a deposit...1970 1975 1980 1985 1990 • Year 2. World mine production of niobium concentrate, for selected |  | | Journal (article/letter/editorial) | | Petrogenesis; Geochemistry 1. Introduction The Paraná (Brazil)–Etendeka (Namibia) flood volcanic and associated...intruded by volumetrically minor peralkaline arfvedsonite granites of the Amis complex. The Messum ring...(Bettencourt et al., 1999), and the 1830 Ma tin-bearing Pitinga rapakivi granite complex (metaluminous amphibole–biotite...topaz granite, peralkline cryolite granite) in Amazonas, Brazil (Costi et al., 2000; Lenharo et al., 2003)...Province, southwestern border of the Amazonian craton, Brazil - I. Reconnaissance U–Pb geochronology and regional |  | | Journal (article/letter/editorial) | | (14) Goltsovoe; (15) Katugin; (16) Brockman; (17) Pitinga; (18) Nechalacho; (19) Mt Weld; (20) Kamativi;...Grande Vishnyakovskoe Goltsovoe Katugin Brockman Pitinga Nechalacho Mt Weld Kamativi Manono-Kitotolo Motzfeldt...alkaligranitic magmas (Table 3). The largest among them is Pitinga (Guiana shield), where tantalum is an associated...and metamorphosed Katugin massif of aegirine-arfvedsonite granites (Stanovoy belt) comprises the Zr–REE–F–Nb–Ta...fluorite, Ulug-Tanzek, Ghurayyah, cryolite, U, Li Pitinga, Toongi, Halzan Buregtei Tantalite, columbite* |  | | Journal (article/letter/editorial) | | Bushveld Complex of South Africa (2.05 Ga), Pitinga in Brazil (1.83 Ga), Strange Lake (1.24 Ga) in Canada...Nygvygan); (e) REE–Zr–Nb deposits in aegirine–arfvedsonite albitite (11, Birindya; 12, Ulkan; 13, Neozhidannoe);...bonate, and other metasomatic rocks Aegirine–arfvedsonite Veins with complex morphology and aegirine–riebeckite...provinces, for example, Pitinga, the largest tin–rare metal deposit in Brazil, dated at 1.83–1.82 Ga (Costi...chemistry of cassiterites from Pitinga Province, Ama zonian Craton, Brazil, Revista Brasileira de Geociencias |  | | Journal (article/letter/editorial) | | ferrodolomite carbonatites containing clasts of magnesio-arfvedsonite + potassium feldspar, phlogopite + potassium...major operating Nb mines (Araxa and Catalão-II in Brazil) and St. Honoré (Canada). The Brazilian deposits...and other sources (e.g. Lovozero, Russia; Pitinga, Brazil) for 7 and 1 %, respectively. Accordingly,...Fen (Norway); Panda Hill, Ngualla (Tanzania)]. Brazil has significant Nb reserves at Seis Lagos, Tapira...Tapira and Salitre, together with the decommissioned mine at Catalão-I (Mitchell, 2015). One objective of |  | | Journal (article/letter/editorial) | | occurrence of the three zircon types in the Xiangshan arfvedsonite granites is interpreted to reflect the progressive...complex, where the arfvedsonite granites are surrounded by biotite granites. b arfvedsonite-bearing granite...the northeast. It consists of medium-grained arfvedsonite granite in the center and porphyritic biotite...biotite granite on the margins (Fig. 1b). The arfvedsonite granites mainly consist of quartz (25–30 vol%)...(10–15 vol%), plagioclase (5 vol%), and minor arfvedsonite (5 vol%). Accessory minerals mainly consist |  | | Journal (article/letter/editorial) | | rhyolites. One intrusive unit, the Kaffo albite–arfvedsonite granite, is strongly peralkaline and mineralized...in the case of the Madeira pluton, in northern Brazil, which is exploited for cassiterite, pyrochlore...the Madeira A-type granite, Pitinga mining district, Amazonas State, Brazil. The Canadian Mineralogist...Madeira cryolite albite-rich granite of Pitinga, Amazonian Craton, Brazil: petrography, mineralogy, and crystallization...of niobium in pyrochlore in the Kaffo albite arfvedsonite granite, Ririwai Complex, Younger granites province |  | | Report (issue) | | larger, than was established when the decision to mine was made. Experts with a sound knowledge of a deposit...about 25 years later. 1 Zirconium material from Brazil conststmg of a mixture of fibrous baddeleyite,...zirconium mineral in 1892. Originally identified in Brazil and Sri Lanka, baddeleyite may contain up to 1...deposits. A small amount of baddeleyite is mined in Brazil, but none is mined in Sri Lanka. Baddeleyite is...the Po\=OS de Caldas area of Minas Gerais State, Brazil. Zircon (and baddeleyite when it occurs in placer |  | | Journal (article/letter/editorial) | | represented by microcline–albite granites with arfvedsonite, middle facies represented by leucocratic albite–...et al., 2015). Their foreign analogues are Pitinga (Brazil), Thor Lake (Canada) (Sinclair et al., 1992)...3—leucogranites—zone II (facies 2), 4, 5—granite with arfvedsonite (facies 1): 4—amphibole granite—zone III, 5—amphibole...pisolitic quartz and elongated prisms of black arfvedsonite. This facies is traced as a single body in the...elements in the granites of the massif, in wt %. 1—arfvedsonite granite (facies 1), 2—leucogranite (facies 2) |  | | Journal (article/letter/editorial) | | and 7, Amasian. The deposits: 1, Thor Lake; 2, Pitinga; 3, Brockman; 4, Katugin; 5, Mt. Weld; 6, Argor;...and metamorphosed Katugin massif of aegirine– arfvedsonite granites (2.07 Ga, Stanovoi belt) includes the...cryptogranular columbite-containing ores. Columbite at the Pitinga deposit is recovered into the concentrate both |  | Amuda, Abdulgafar Kayode, Yang, Xiaoyong, Deng, Jianghong, Faisal, Mohamed, Cao, Jinya, Bute, Saleh Ibrahim, Girei, Musa Bala, Elatikpo, Safiyanu Muhammad (2021) Petrogenesis of the peralkaline Dutsen Wai and Ropp complexes in the Nigerian younger granites: implications for crucial metal enrichments. International Geology Review, 63 (16) 2057-2081 doi:10.1080/00206814.2020.1821250 | Journal (article/letter/editorial) | | (microcline and orthoclase), Aeg = aegerine, Arf = arfvedsonite, Alb = albite, Fl = fluorite, Pcl = pyrochlore...This includes aegirine-arfvedsonite granites and albiteriebeckitic-arfvedsonite granite that are grey...yellowish-green with relatively higher relief than the arfvedsonite that is lilac-blue. Remnants of subhedral aegirine...crystals are also seen at the ‘decomposed’ core of arfvedsonite gran ite in places (Figure 3e). This texture...quartz (28.7–35%), riebeckite (4. 6–9.2%), arfvedsonite (1.4–3.4%), aegirine (1.3–2%), albite (1.4–1 |  | | Journal (article/letter/editorial) | | granitic magmas. The largest deposit of them is the Pitinga (Guiana Shield), with Sn–Zr–F–Nb–REE–Ta ores being...belt) with Zr–REE–F–Nb–Ta ores in aegerine– arfvedsonite granites. 468 PECULIARITIES OF SUPERCONTINENT |
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