 | Giovannini, Arthur L., Mitchell, Roger H., Bastos Neto, Artur C., Moura, Candido A.V., Pereira, Vitor P., Porto, Claudio G. (2020) Mineralogy and geochemistry of the Morro dos Seis Lagos siderite carbonatite, Amazonas, Brazil. Lithos, 360. 105433 doi:10.1016/j.lithos.2020.105433 | Journal (article/letter/editorial) | | geochemistry of the Morro dos Seis Lagos siderite carbonatite, Amazonas, Brazil Arthur L. Giovannini...Bento Gonçalves 9500, Porto Alegre 91501-970, RS, Brazil Department of Geology, Lakehead University, 955...Avenida Victor Barreto 2288, Canoas 92010-000, RS, Brazil d Instituto de Geociências, Universidade Federal...Federal do Pará, Rua Augusto Corrêa 1, Belém, PA, Brazil e Instituto de Geociências, Universidade Federal...Bento Gonçalves 9500, Porto Alegre 91501-970, RS, Brazil f Companhia de Pesquisa de Recursos Minerais CPRM |  | Giovannini, Arthur L., Bastos Neto, Artur C., Porto, Claudio G., Pereira, Vitor P., Takehara, Lucy, Barbanson, Luc, Bastos, Pedro H.S. (2017) Mineralogy and geochemistry of laterites from the Morro dos Seis Lagos Nb (Ti, REE) deposit (Amazonas, Brazil) Ore Geology Reviews, 88. 461-480 doi:10.1016/j.oregeorev.2017.05.008 | Journal (article/letter/editorial) | | of Laterites from the Morro dos Seis Lagos Nb (Ti, REE) Deposit (Amazonas, Brazil). Arthur L. Giovannini...of Laterites from the Morro dos Seis Lagos Nb (Ti, REE) Deposit (Amazonas, Brazil)., Ore Geology Reviews...of Laterites from the Morro dos Seis Lagos Nb (Ti, REE) Deposit (Amazonas, Brazil). Arthur L. GIOVANNINI1...Cidade Universitária, Ilha do Fundão, Avenida Athos da Silveira Ramos s/n, 21949-900, Rio de Janeiro, RJ...Pesquisa de Recursos Minerais CPRM. SUREG/PA. Rua Banco da Província, 105, Porto Alegre, RS, Brasil. lucytakehara@gmail |  | | Journal (article/letter/editorial) | | The evolution of the Morro dos Seis Lagos Nb (Ti, REE) deposit (Amazonas, Brazil) deserves particular...in the HFSE concentration process in the Morro dos Seis Lagos. However, laterites in this complex formed...were originally rich in Ti and Nb [25]. In the Seis Lagos, like in many other complexes, Nb-bearing oxides...Neske-Vara tops, mostly calcite and, to lesser extent, dolomite carbonatites and phoscorites are found. The Tukhta-Vara...Tukhta-Vara carbonatites include a lesser extent, dolomite carbonatites and phoscorites are found. The Tukhta-Vara |  | 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) | | o r ev The Catalão I niobium deposit, central Brazil: Resources, geology and pyrochlore chemistry Pedro...Instituto de Geociências, Brasília-DF, 70910-900 Brazil Universidade Federal de Goiás, Campus Samambaia...Federal de Goiás, Goiânia-GO, 74001-970 Brazil Anglo American Brazil LTDA, Avenida Interlândia 502, Setor...Setor Santa Genoveva, Goiânia-GO, 74672-360 Brazil a r t i c l e i n f o Article history: Received 24...apatite-rich (P2 unit) or magnetite-rich (P3 unit). Dolomite carbonatite (DC) is intimately related with nelsonite |  | | Report (issue) | | chart showing niobium resources and reserves in Brazil, Canada, and the United States...................giga- (G-) mega- (M-) kilo- (k-) hecto- (h-) deka- (da-) deci- (d-) centi- (c-) milli- (m-) micro- (µ-)...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...from weathered material derived from carbonatites. Brazil and Canada also have the largest identified niobium |  | | 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 |  | 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) | | Canada, is hosted by metamorphosed calcite and dolomite carbonatites of anorogenic affinity emplaced in...hydrothermal dolomite, quartz and chlorite. Progressive enrichment of the deformed dolomite carbonatites...weathering products. For example, calcite and dolomite carbonatites contain, on average, ~ 340 and 260...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 |  | Kozlov, Evgeniy, Fomina, Ekaterina, Sidorov, Mikhail, Shilovskikh, Vladimir, Bocharov, Vladimir, Chernyavsky, Alexey, Huber, Miłosz (2020) The Petyayan-Vara Carbonatite-Hosted Rare Earth Deposit (Vuoriyarvi, NW Russia): Mineralogy and Geochemistry. Minerals, 10 (1) 73 doi:10.3390/min10010073 | Journal (article/letter/editorial) | | least altered magnesiocarbonatites are composed of dolomite with burbankite and are rich in REE (up to 2.0...magnesiocarbonatites and silicocarbonatites, composed of dolomite, microcline, Ti-rich phlogopite, and Fe–Ti oxides...(RE carbonatites) Angola [5,6], Australia [7–9], Brazil Mongolia [52,53], [54–56], New Zealand [57], Norwayin[58]...Abbr. (1) * (2) (3) (4) (5) Calcite, CaCO3 Dolomite, CaMg(CO3 )2 Ankerite, Fe2+ Mg(CO3 )2 Kutnohorite...medium-grained texture and consist of hypidiomorphic dolomite crystals and large (up to few centimetres in diameter) |  | | Report (volume) | | ............................................. Dolomite-Marble Deposits, by G.J. Orris..................including Venezuela, Guyana, Suriname, and Northern Brazil.............. 1 3 9 17 29 55 55 58 58 61 63 69...anomaly south of Puerto Ayacucho, Territorio Federal Amazonas.................................................anomaly south of Puerto Ayacucho, Territorio Federal Amazonas................................ 7. Highly magnetic...diabase) south of Cerro Autana, Territorio Federal Amazonas.............................................. |  | | Book | | MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA © 2009 - CARLOS CORNEJO...BARTORELLI EDITORIAL AND GRAPHIC COORDINATION Silvia Rita dos Santos TRANSLATION BTS - Business Translation Services...photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy of Bruno and Rolando Gioia...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 |  | Díaz-Acha, Yael, Campeny, Marc, Tauler, Esperança, Bosch, Josep, Melgarejo, Joan Carles, Camprubí, Antoni, Villanova-de-Benavent, Cristina, Jorge-Villar, Susana E., Díaz-Ontiveros, Iria, Fernández-Lluch, David, Proenza, Joaquín A., Andreazini, Aleu, Pastor, Míriam (2019) Critical Elements in Supergene Phosphates: The Example of the Weathering Profile at the Gavà Neolithic Mines, Catalonia, Spain. Minerals, 10 (1) 3 doi:10.3390/min10010003 | Journal (article/letter/editorial) | | weathering of a typical apatite-rich carbonatite from Brazil. Earth Planet. Sci. Lett. 1995, 136, 591–596. [CrossRef]...geochemistry laterites from the Morro dos Seis Lagos Nb (Ti,REE) deposit (Amazonas, Brazil). Ore Geol. Rev. 2017...of a Monterey-Formation-Type chert phosphorite dolomite sequence: Amman Formation (Late Cretaceous) central |  | | Report (issue) | | PLURINATIONAL STATE OF BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI...particular the contributions of the late R. Villas-Boas (Brazil). The IAEA officers responsible for this publication.............................................. 39 BRAZIL .................................................Gondwana supercontinent and which are now found in the Brazil Shield, southern and eastern Africa, Madagascar...of 50% or more of primary carbonate minerals (dolomite, calcite and/or ankerite). Genetically linked |  | | Report (issue) | | PLURINATIONAL STATE OF BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI....................................... 38 6.4.3. Brazil..................................................Cu, Fe, Zr, Ti, U and others. Examples: Araxa in Brazil, Bayan Obo in China, Fen in Norway, Sokli in Finland...Lovozero in Russian Federation, Poços de Caldas in Brazil. 4.1.3. Vein type Vein-type mineralisation is... 4.1.5. Coastal placersKerala, India, Brazil; Dune placersQueensland, Australia; Offshore placersNeendakarai |  | | 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...................giga- (G-) mega- (M-) kilo- (k-) hecto- (h-) deka- (da-) deci- (d-) centi- (c-) milli- (m-) micro- (µ-)...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 |
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