 | 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 |  | 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 |  | | Journal (article/letter/editorial) | | Strange Lake; (10) Tanbreez; (11) Motzfeldt; (12) Seis Lagos; (13) Bayan Obo; (14) Nemegosenda; (15) Luesh;...Montviel Two Tom Strange Lake Tanbreez Motzfeldt Seis Lagos Bayan Obo Nemegosenda Luesh Bingo Ghurayyah Halzan...and mean niobium content is the Seis Lagos deposit (1.33 Ga), Amazonas Craton. For a long time, based...(ilmenorutile), and, partially, in Nb– brookite, Nb–goethite, and secondary pyrochlore, which all formed due...al., 2018). This deposit is the only one beyond Brazil where stable and long-term (over 40 years) mining |  | | 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) | | 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... Minas Gerais, Brazil Boa Vista and other projects, Catalão I and II, Goiás, Brazil Neoprot.? Upper...separating the Paraná accounts for 65–70% of global and São Francisco basins (plume-related?) Nb production 83–85 |  | 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) | | (RE carbonatites) Angola [5,6], Australia [7–9], Brazil Mongolia [52,53], [54–56], New Zealand [57], Norwayin[58]...inclusions of Fe oxides and hydroxides (mostly goethite and hematite). The late to dolomite Dol-1 from...inclusions of Fe oxides and hydroxides (mostly goethite and hematite). 1 in its compact morphology, optical...the discovery of the unique Morro dos Seis Lagos Ti-Nb-REE deposit (Brazil) [11], wherein Ti-oxides are...Varela carbonatites of the Lages alkaline complex, Brazil [149]). The origin of such rocks is attributed |  | | Report (volume) | | 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.................................................and south of Puerto Ayacucho, Territorio Federal Amazonas.............................................. |  | 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) | | (Figure 6). + + + 4SO42− + 7.5O + 7H goethite 8H 2FeS2FeS →→ goethite + +8H + 4SO4 2− 2 + 27.5O 2 +27H 2...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 |  | | 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 |  | La Cruz, Nikita L., Ovalle, J. Tomás, Simon, Adam C., Konecke, Brian A., Barra, Fernando, Reich, Martin, Leisen, Mathieu, Childress, Tristan M. (2020) The Geochemistry of Magnetite and Apatite from the El Laco Iron Oxide-Apatite Deposit, Chile: Implications for Ore Genesis. Economic Geology, 115 (7). 1461-1491 doi:10.5382/econgeo.4753 | Journal (article/letter/editorial) | | Magnetite is locally altered to hematite and goethite in the upper 40 to 50 m of the orebodies (Ovalle...compositions and the presence of martite/hematite and goethite in some samples (Fig. 2). Magnetite expresses...C, G), but not in samples from Rodados Negros. Goethite was identified in surface samples from all orebodies...from Laco Norte containing magnetite, hematite, goethite (Goe), and thorite inclusions (Thr). (D). Sample...from Laco Sur containing magnetite, hematite, and goethite (Goe). (H). Sample from Laco Norte containing |  | | 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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