 | | Report (issue) | | REPORT Brazil Investigations (IR)BR-76 NIOBIUM (COLUMBIUM) AND TANTALUM RESOURCES OF BRAZIL U. S. Geological... NIOBIUM (COLUMBIUM) AND TANTALUM RESOURCES OF BRAZIL By Max G. White U.S. Geological Survey CONTENTS...Distribution of alkalic intrusives in Southern Brazil .. 16 Alkalic intrusions in the western side of................................. 25 Northeastern Brazil ............................... 25 Territory of................................. 29 Northeastern Brazil .......................... 30 Research suggestions |  | 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...2-6, 13-15, 18, 19, 21, 23, 24, 59, 64-69 12 Lages Plug, dike, vein, breccia Fe-ca, Ca-ca NS, Pho...59, 70-74 9 Ilhas Cabo Frio Lineament 10. Santa Catarina Rio Grande do Sul 13 Joca Tavares Plug? |  | | Journal (issue) | | brede waaier van interesses aan: Magnetite garnet rocks from the moraines, Cape Denison,... (1989), 'A HREM study of the intergrowth of magnetite and coulsonite', Acta Cryst. A45(4), 264-268....'Rodoviãrio' was gekazerneerd in Lages, in de staat Santa Catarina tot het in 1970 overgeplaatst werd...voorposten in de plaatsen Roca Sales, Violande, Santa Tereza en Jaboticaba, in totaal 1500 manschappen...deel dat ons interesseert begint in Lages in de staat Santa Catarina en loopt door de steden Vacaria, Lajeado |  | Gomes, Celso de Barros, Azzone, Rogério Guitarrari, Rojas, Gaston Eduardo Enrich, Guarino, Vincenza, Ruberti, Excelso (2021) Agpaitic Alkaline Rocks in Southern Brazilian Platform: A Review. Minerals, 11 (9) 934 doi:10.3390/min11090934 | Journal (article/letter/editorial) | | University of São Paulo, São Paulo 05508-080, Brazil; rgazzone@usp.br (R.G.A.); gastonenrich@usp.br...occurrences located in southern Brazil and at the border between Brazil and Paraguay. All the Brazilian...phonolite dike main to late-magmatic [27,28] 8 Lages 76–82 Ma (Rb-Sr, K-Ar) phonolite sill late-magmatic...regional tectonic factors [46,47] (Figure 1). In Brazil, alkaline centers occur predominantly dispersed...southern Brazil, to the west of Florianópolis, being tectonically related to the Anitápolis-Lages lineament |  | Guarino, Vincenza, Azzone, Rogério Guitarrari, Brotzu, Pietro, de Barros Gomes, Celso, Melluso, Leone, Morbidelli, Lucio, Ruberti, Excelso, Tassinari, Colombo Celso Gaeta, Brilli, Mauro (2012) Magmatism and fenitization in the Cretaceous potassium-alkaline-carbonatitic complex of Ipanema São Paulo State, Brazil. Mineralogy and Petrology, 104 (1) 43-61 doi:10.1007/s00710-011-0168-4 | Journal (article/letter/editorial) | | rbonatitic complex of Ipanema São Paulo State, Brazil Vincenza Guarino & Rogério Guitarrari Azzone &...562, Cidade Universitária, 05508-080 São Paulo, Brazil L. Morbidelli Dipartimento di Scienze della Terra...for other carbonatite complexes from southeastern Brazil. The chemical differences between the lamprophyre...Mesozoic to Cenozoic alkaline magmatism in southern Brazil crops out in the central-southeastern areas of...plunges towards the inner Paraná Basin in southern Brazil (Fig. 1a). The Ponta Grossa Arch is also characterized |  | | Catalog/List | | fibrous radiated mass with minor metallic grey Magnetite. ltxltxlt l1 • £2. 59. MARTITE. Cerro de Mercado...Durango, MexiCO. Pure replacement of massive Magnetite with crystals to 1 cm. in size, by Hematite with...scattered large crystals. Ii-xi". 50p. Lages, Santa Catarina, Brazil. Large, pearly, well formed crystals |  | Comin-Chiaramonit, P., Cundari, A., Piccirillo, E.M., Gomes, C.B., Castorina, F., Censi, P., De Min, A., Marzoli, A., Speziale, S., Velazquez, V.F. (1997) Potassic and Sodic Igneous Rocks from Eastern Paraguay: their Origin from the Lithospheric Mantle and Genetic Relationships with the Associated Parana flood tholeiites. Journal of Petrology, 38 (4) 495-528 doi:10.1093/petroj/38.4.495 | Journal (article/letter/editorial) | | DE SÃO PAULO, C.P. 30627, 01051 SÃO PAULO, SP, BRAZIL 5 DIPARTIMENTO DI SCIENZE DELLA TERRA, ‘LA SAPIENZA’...from southeastern Brazil, i.e. Alto Paranaı́ba, Ponta Grossa Arch, Serra do Mar, Lages and the flood basalts...magmatism from Alto Paranaı́ba Igneous Province (SE Brazil; Gibson et al., 1995b). KEY WORDS: Alkaline magmatism;...potassic rocks from the Alto Paranaı́ba Province of SE Brazil, widespread in an area of crustal thinning (Santero...includes the western side of the Paraná Basin of Brazil, bounded by an anticlinal structure established |  | | Journal (article/letter/editorial) | | Triassic diabase in the Cornwall Nos. 3 and 4 magnetite mines, Cornwall, Lebanon County (excellent crystals...[University of Bristol] at 06:14 02 December 2014 Santa Barbara County; colorless trapezohedra to 1 cm with...biotite at Aroskjoer, Brevig, Norway; Lages, Santa Catarina, Brazil; the famous carbonatite at Palabora |  | | Report (chapter) | | stone in the built heritage of the interior of Brazil: the use of stone in Minas Gerais A. G. COSTA Department...(Minas Gerais), Brazil (e-mail: ag.costa@uol.com.br) Abstract: The cultural heritage of Brazil built with...steatites and schists in historic buildings in Brazil, which is part of a research project in progress...Natural stone as raw material for construction in Brazil was strongly influenced by Portugal and dates back...1548 (Vasconcellos 1979). After the discovery of Brazil in 1500, the Portuguese remained for nearly two |  | | Journal (article/letter/editorial) | | Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...retro-eclogitic hosted Ti-mineralization Geysson de Almeida Lages, Elton Luiz Dantas PII: DOI: Reference: S0301-9268(16)30103-6...April 2016 Please cite this article as: G.d.A. Lages, E.L. Dantas, Floresta and Bodocó Mafic-Ultramafic...Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution |  | Antonini, P., Comin-chiaramonti, P., Gomes, C. B., Censi, P., Riffel, B. F., Yamamoto, E. (2003) The Early Proterozoic carbonatite complex of Angico dos Dias, Bahia State, Brazil: geochemical and Sr-Nd isotopic evidence for an enriched mantle origin. Mineralogical Magazine, 67 (5) 1039-1057 doi:10.1180/0026461036750142 | Journal (article/letter/editorial) | | carbonatite complex of Angico dos Dias, Bahia State, Brazil: geochemical and Sr-Nd isotopic evidence for an...Instituto de Geociências, Universidade de São Paulo, Brazil 3 Dipartimento di Scienze della Terra, University...Metalurgia e Mineração, Araxá, Minas Gerais State, Brazil 2 ABSTR ACT Borehole samples of carbonatites...(AdD) intrusive alkaline complex, State of Bahia, Brazil, have been investigated in terms of mineralogy...heterogeneity. K EY WORDS : Proterozoic, carbonatite, Brazil, mantle, Sr-Nd isotopes. Introduction CARBONATITES |  | Conceição, Rommulo Vieira, Carniel, Larissa Colombo, Jalowitzki, Tiago, Gervasoni, Fernanda, Cedeño, Daniel Grings (2019) Geochemistry and geodynamic implications on the source of Paraná-Etendeka Large Igneous Province evidenced by the 128 Ma Rosário-6 kimberlite, southern Brazil. Lithos, 328. 130-145 doi:10.1016/j.lithos.2019.01.012 | Journal (article/letter/editorial) | | evidenced by the 128 Ma Rosário-6 kimberlite, southern Brazil Rommulo Vieira Conceição, Larissa Colombo Carniel...evidenced by the 128 Ma Rosário-6 kimberlite, southern Brazil, LITHOS, https://doi.org/ 10.1016/j.lithos.2019...evidenced by the 128 Ma Rosário-6 kimberlite, southern Brazil 1 Tiago Jalowitzki2, Fernanda Gervasoni3, Daniel...Porto Alegre, Brazil Instituto de Geociências, Universidade de Brasília (UnB), Brazil 3 Faculdade...Universidade Federal de Goiás, Aparecida de Goiânia, Brazil * Corresponding authors AC CE PT E D MA |  | | Journal (article/letter/editorial) | | Magmatism in the Northern Borborema Province, Northeast Brazil: Tectonic Setting and Potential for Deposits Alanielson...Brasília, 70910-900 Brasília, Distrito Federal, Brazil ABSTRACT Mafic-ultramafic intrusions form a 32-km-long...Piranhas terrane in the Borborema Province, Northeast Brazil. The mafic-ultramafic intrusions consist of wehrlite...Aguablanca deposit in Spain (Tornos et al. 2001). In Brazil, the potential for exploration in orogenic belts...al. 2011), in the Itabuna-Salvador-Curaçá belt (Santa Rita deposit; Ferreira Filho et al. 2013), and in |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...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...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (article/letter/editorial) | | The alkaline-carbonatite complex of Jacupiranga (Brazil): Magma genesis and mode of emplacement Luigi Beccaluva...The alkaline-carbonatite complex of Jacupiranga (Brazil): Magma genesis and mode of emplacement, Gondwana...The alkaline-carbonatite complex of Jacupiranga (Brazil): magma genesis and IP T mode of emplacement...with other alkaline complexes, occurs in southern Brazil and is coeval with- AC the Paraná CFB province...Kjarsgaard, 2008), the Jacupiranga Complex in southern Brazil is quite famous having been the object of several |  | Martins, Sofia, Mata, João, Munhá, José, Mendes, Maria Hermínia, Maerschalk, Claude, Caldeira, Rita, Mattielli, Nadine (2010) Chemical and mineralogical evidence of the occurrence of mantle metasomatism by carbonate-rich melts in an oceanic environment (Santiago Island, Cape Verde) Mineralogy and Petrology, 99 (1) 43-65 doi:10.1007/s00710-009-0078-x | Journal (article/letter/editorial) | | two groups (northern: Santo Antão, São Vicente, Santa Luzia, São Nicolau, Sal and Boavista; southern:...olivine (Fo=85–70 mol%) + Al- Ti-rich diopside + Ti-magnetite + apatite ± plagioclase/nepheline/melilite assemblages... Interestingly, the majority of Lages silicate rocks (Eastern Brazil), which belong to the continental...those reported for Gran Canaria, Walvis Ridge, Lages silicate rocks and Leucite Hills (LH) lamproites...Atlantic and to the Paraná magmatic province in Brazil (CominChiaramonti et al. 2002). This affinity of |  | | Journal (article/letter/editorial) | | ALKALINE MAFIC-ULTRAMAFIC MASSIF, SOUTHEASTERN BRAZIL: INDICATION OF AN ENRICHED MANTLE SOURCE Rogério...Paulo, Rua do Lago, 562 - 05508-080 São Paulo, Brazil Abstract Zirconium- and Ba-rich minerals are found...alkaline mafic-ultramafic massif in southeastern Brazil. The unusual mineralogical assemblage includes...mantle enrichment, Ponte Nova alkaline complex, Brazil. Sommaire Nous documentons les attributs des minéraux...mafic-ultramafic massif (22°47’ S, 45°45’ W), in southeastern Brazil, displays zirconolite, baddeleyite and Ba-rich |  | Guarino, Vincenza, Gennaro, Roberto de', Melluso, Leone, Ruberti, Excelso, Azzone, Rogério G. (2019) The Transition from Miaskitic to Agpaitic Rocks, as Highlighted by the Accessory Phase Assemblages in the Passa Quatro Alkaline Complex (SouthEastern Brazil) The Canadian Mineralogist, 57 (3) 339-361 doi:10.3749/canmin.1800073 | Journal (article/letter/editorial) | | THE PASSA QUATRO ALKALINE COMPLEX (SOUTHEASTERN BRAZIL) VINCENZA GUARINO§, ROBERTO DE’ GENNARO, AND...São Paulo, Rua do Lago 562, 05508-080 São Paulo, Brazil ABSTRACT The Passa Quatro alkaline complex is...Cretaceous to Paleogene Igneous Province of southeastern Brazil. It is composed mainly of nepheline syenites and...Quatro, Brazil. INTRODUCTION The Mesozoic to Cenozoic alkaline magmatism of southern Brazil crops out...complexes. Two important magmatic provinces in southern Brazil are the Alto Paranaı́ba and Serra do Mar. The rocks |  | Souza Neto, João Adauto, Legrand, Jean Michel, Volfinger, Marcel, Pascal, Marie-Lola, Sonnet, Philippe (2008) W–Au skarns in the Neo-Proterozoic Seridó Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit. Mineralium Deposita, 43 (2) 185-205 doi:10.1007/s00126-007-0155-1 | Journal (article/letter/editorial) | | Mobile Belt, Borborema Province in northeastern Brazil: an overview with emphasis on the Bonfim deposit...located in the Borborema Province in northeastern Brazil and consists of a gneiss basement (Archean to Paleo-Proterozoic)...s/n, Cidade Universitária, CEP 50.740-530 Recife, Brazil e-mail: adauto@ufpe.br J. M. Legrand Departamento...Universitário, Lagoa Nova, CEP 59.072-970 Natal, Brazil M. Volfinger : M.-L. Pascal Centre de Recherches...Bonfim . Borborema Province . Seridó Mobile Belt . Brazil Introduction Skarn deposits host a large variety |  | | Book | | MINES AND MINERALS IN BRAZIL --= ··--· ··- ·-·=- MINES AND MINERALS IN BRAZIL J OSIAS LEAO (ECONOMIC...regarding water power and industry of electr·icity in Brazil were specially prepared at the Division of Waters........ 189 SUMMARY OF THE MINERAL RESERVES OF BRAZIL..... . ... ....... . .. 199 STATISTICAL TABLES...practically untouched, the mineral reserves of Brazil have already been a source of wealth to many and...without the discovery of the precious metals in Brazil the existence of the modern economic man would |  | | Book | | .......................................... 167 Brazil..................................................particular of Africa, the U.S.S.R., Canada and Brazil, much of it inspired by the search for exploitable...Montreal area of Canada and for central Coais, Brazil. N11111ber and na111e Each occurrence has been...a n;:itional number, for example Jacupiranga is Brazil 88. This is followed by the preferred name of the...i ot i te and 10% opaques including ilmenite, magnetite and Fe-Ni-Cu sulph id es. Further east such olivine-bearing |  | Sharma, Abhinay, Giri, Rohit Kumar, Rao, N. V. Chalapathi, Rahaman, Waliur, Pandit, Dinesh, Sahoo, Samarendra (2019) Arc-Related Pyroxenites Derived from a Long-Lived Neoarchean Subduction System at the Southwestern Margin of the Cuddapah Basin: Geodynamic Implications for the Evolution of the Eastern Dharwar Craton, Southern India. The Journal of Geology, 127 (5) 567-591 doi:10.1086/704361 | Journal (article/letter/editorial) | | vol%) and amphibole (20 vol%), with iron oxides (magnetite and ilmenite) and chromites constituting the rest...Lonely 1995: Farahat and Helmy 2006; de Almeida Lages and Dantas 2016; Yuan et al. 2017). In the Al2O3-versus-SiO2...Reflected-light photomicrograph showing the coexistence of magnetite (Mt) and ilmenite (Ilm) as exsolved phases. D...enrichment trend. The various fields are from de Almeida Lages and Dantas (2016), after Barnes and Roeder (2001)...and island arcs (Ahmed et al. 2008; de Almeida Lages and Dantas 2016), which clearly distinguishes them |  | Velásquez Ruiz, Felipe, Della Giustina, Maria Emilia Schutesky, de Oliveira, Claudinei Gouveia, Dantas, Elton Luiz, Hollanda, Maria Helena Bezerra (2019) The 3.5 Ga São Tomé layered mafic-ultramafic intrusion, NE Brazil: Insights into a Paleoarchean Fe-Ti-V oxide mineralization and its reworking during West Gondwana assembly. Precambrian Research, 326. 462-478 doi:10.1016/j.precamres.2018.03.011 | Journal (article/letter/editorial) | | São Tomé layered mafic-ultramafic intrusion, NE Brazil: Insights into a Paleoarchean Fe-Ti-V oxide mineralization...São Tomé layered mafic-ultramafic intrusion, NE Brazil: Insights into a Paleoarchean Fe-Ti-V oxide mineralization...São Tomé layered mafic-ultramafic intrusion, NE Brazil: Insights into a Paleoarchean Fe-Ti-V oxide mineralization...Brasília DF, Brazil b Instituto de Geociências, Universidade de São Paulo, São Paulo 05508-080, Brazil *Corresponding...intrusion, located in the Borborema Province, NE Brazil, consists of a group of metamorphosed dismembered |  | | Journal (article/letter/editorial) | | are located in Guinea (26.4%), Australia (19.2%), Brazil (12.1%) and Jamaica (7.1%), while other significant...iron-bearing minerals to strong magnetic phases, i.e., magnetite or metallic iron, and further explore potential...hematite can be converted into strong ones, e.g., magnetite, or even metallic iron, which can be easily hematite...hematite can be converted into strong ones, e.g., magnetite, or even metallic iron, which can be easily separated...result in in the the formation formation of of magnetite. However, other studies indicated that the excess |  | | Journal (article/letter/editorial) | | with subordinate amounts of apatite, phlogopite, magnetite, and ilmenite. Accessory minerals include baddeleyite...0.5 mm to up to 3 cm in size. Diopside and Ti-magnetite are present as accessory mineral phases. The pyroxenites...texture (Fig. 1c). Accessory minerals include magnetite, titanite, and zircon. Grains are relatively finer...carbonatite complex of Angico dos Dias, Bahia State, Brazil: geochemical and Sr–Nd isotopic evidence for an...the Anitápolis and Lages alkaline carbonatite complexes, Santa Catarina State, Brazil. Revista Brasileira |
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