 | | Journal (article/letter/editorial) | | Minerais, Universidade Federal de Mato Grosso, Cuiabá, Brazil *Corresponding author, e-mail: rubia@cdp.ufmt.br...Universidade Federal de Ouro Preto, Ouro Preto, Brazil e-mail: hanna@degeo.ufop.br 3 Geochemical Laboratory...Araçuai and western Governador Valadares in Minas Gerais) were analyzed for major, minor and trace elements...higher Li and B contents is characteristic for gem-tourmaline-bearing pegmatites. Lower concentrations in K/Rb...trace elements, pegmatite, magmatic differentiation, Brazil. Introduction Muscovite is a common rock-forming |  | | Journal (article/letter/editorial) | | 1503–1507, 2000 Infrared study of OH sites in tourmaline from the elbaite-schorl series CRISTIANE CASTAÑEDA...das Pedras, CEP 30140-970 Belo Horizonte, Minas Gerais, Brazil National Commission of Nuclear Energy, Center...Postal 941, CEP 30123-970 Belo Horizonte, Minas Gerais, Brazil 3 Department of Geology, Federal University...Preto, Minas Gerais, CEP 35400-000 Brazil 4 Institute of Geosciences, Federal University of Minas Gerais...Gerais, Belo Horizonte, Minas Gerais, CEP 30430-120, Brazil ABSTRACT Two different behaviors controlled |  | Amaral, Leandro, Caxito, Fabrício de Andrade, Pedrosa-Soares, Antonio Carlos, Queiroga, Gláucia, Babinski, Marly, Trindade, Ricardo, Lana, Cristiano, Chemale, Farid (2020) The Ribeirão da Folha ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite and metasedimentary rocks. Precambrian Research, 336. 105522 doi:10.1016/j.precamres.2019.105522 | Journal (article/letter/editorial) | | ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite...ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite...ophiolite-bearing accretionary wedge (Araçuaí orogen, SE 2 Brazil): New data for Cryogenian plagiogranite...Chemaled,1 6 7 a Universidade Federal de Minas Gerais, Programa de Pós-Graduação em Geologia, CPMTC-IGC-UFMG...6627, Pampulha, 31270-901, Belo Horizonte, MG, Brazil 9 b Instituto de Geociências, Universidade de |  | Gonçalves, Guilherme O., Lana, Cristiano, Buick, Ian S., Alkmim, Fernando F., Scholz, Ricardo, Queiroga, Glaucia (2019) Twenty million years of post-orogenic fluid production and hydrothermal mineralization across the external Araçuaí orogen and adjacent São Francisco craton, SE Brazil. Lithos, 342. 557-572 doi:10.1016/j.lithos.2019.04.022 | Journal (article/letter/editorial) | | across the external Araçuaí orogen and adjacent São Francisco craton, SE Brazil Guilherme O. Gonçalves...across the external Araçuaí orogen and adjacent São Francisco craton, SE Brazil, LITHOS, https://doi...across the external Araçuaí orogen and adjacent São Francisco craton, SE Brazil Guilherme O. Gonçalvesa... Universidade Federal de Ouro Preto, Escola de Minas, Departamento de Geologia, Campus Morro do Cruzeiro...South Africa. ACCEPTED MANUSCRIPT Abstract The Araçuaí orogen (AO) is a hot orogenic system that is known |  | Cabral, Alexandre Raphael, Tupinambá, Miguel, Zeh, Armin, Lehmann, Bernd, Wiedenbeck, Michael, Brauns, Michael, Kwitko-Ribeiro, Rogerio (2017) Platiniferous gold–tourmaline aggregates in the gold–palladium belt of Minas Gerais, Brazil: implications for regional boron metasomatism. Mineralogy and Petrology, 111 (6) 807-819 doi:10.1007/s00710-017-0496-0 | Journal (article/letter/editorial) | | Platiniferous gold–tourmaline aggregates in the gold–palladium belt of Minas Gerais, Brazil: implications...The platiniferous gold–palladium belt of Minas Gerais, Brazil, forms an approximately 240-km-long, roughly...coarse-grained gold–tourmaline aggregates and integrate recently obtained ages and tourmaline boron-isotope...Xavier 524 s. A4016, Rio Janeiro-RJ 20550-050, Brazil 4 Deutsches GeoForschungsZentrum GFZ, Telegrafenberg...BR 381, km 450, Santa Luzia-MG 33040-900, Brazil tourmaline aggregates seem to be the ultimate expression |  | | Journal (issue) | | epidote deposits of the Capelinha Region, Minas Gerais, Brazil ......................................315...epidote on matrix, 4.4 cm, from Capelinha, Minas Gerais, Brazil. Gail and Jim Spann collection; Tom Spann...TRINCHILLO | w w w. FineMineral.com Tourmaline Cruzeiro Mine, Brazil. 19.5 cm Fine Minerals International...EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos Cornejo2 Mario...mid-1960s, the Capelinha region in the State of Minas Gerais, Brazil, has become world-famous for producing beautiful |  | | Journal (issue) | | SEPTEMBER–OCTOBER 2019 Articles The Golconda District, Minas Gerais, Brazil ..........................................COVER: AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...Pocket, Namibia 12.0 x 6.8 x 6.7cm Rhodochrosite Tourmaline with Cleavelandite N Chwaning I Mine, South Africa...September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell |  | | Journal (article/letter/editorial) | | formed in the Neoproterozoic Araçuaı́ orogen (SE Brazil) during Western Gondwanaland assembly Eliza Peixoto...formed in the Neoproterozoic Araçuaı́ orogen (SE Brazil) during Western Gondwanaland assembly, Gondwana...wedge formed in the Neoproterozoic Araçuaí orogen (SE T Brazil) during Western Gondwanaland assembly...Alkmimb,1, I.A. Dussina,1 Universidade Federal de Minas Gerais, CPMTC–IGC, Programa de Pós–Graduação em Geologia...Campus Pampulha, Belo Horizonte, 31270–901, MG, Brazil Universidade Federal de Ouro Preto, DEGEO–EM, Campus |  | Silveira Braga, Flávia Cristina, Santos, João Orestes Schneider, Rosière, Carlos Alberto, Rolim, Vassily K., Roberts, Malcolm P., Evans, Noreen J., Hagemann, Steffen G. (2020) Ediacaran-Cambrian far-field hydrothermal event in the southeast of the São Francisco Craton, Brazil: Evidence from zircon U-Pb SHRIMP, trace elements, Lu-Hf and oxygen isotopes. Lithos, 356. 105365 doi:10.1016/j.lithos.2020.105365 | Journal (article/letter/editorial) | | event in the southeast of the São Francisco Craton, Brazil: Evidence from zircon U-Pb SHRIMP, trace elements...event in the southeast of the São Francisco Craton, Brazil: Evidence from zircon U-Pb SHRIMP, trace elements...event in the southeast of the São Francisco Craton, Brazil: evidence from zircon U-Pb SHRIMP, trace elements...Geociências, Universidade Federal de Minas Gerais, Belo Horizonte, MG, Brazil b Faculdade de Engenharia, Universidade...Universidade do Estado de Minas Gerais, João Monlevade, MG, Brazil c Universidade do Estado do Amazonas |  | Hartmann, Léo A., Werle, Mariana, Michelin, Cassiana R.L., Lana, Cristiano, Queiroga, Gláucia N., Castro, Marco P., Arena, Karine R. (2019) Proto-Adamastor ocean crust (920 Ma) described in Brasiliano Orogen from coetaneous zircon and tourmaline. Geoscience Frontiers, 10 (4) 1623-1633 doi:10.1016/j.gsf.2018.09.018 | Journal (article/letter/editorial) | | Brasiliano Orogen from coetaneous zircon and tourmaline Léo A. Hartmann a, *, Mariana Werle a, Cassiana...Alegre, Rio Grande do Sul, Brazil Departamento de Geologia, Escola de Minas, Universidade Federal de Ouro...Morro do Cruzeiro, 35400-000, Ouro Preto, Minas Gerais, Brazil a r t i c l e i n f o a b s t r a c t...We use multi-technique U-Pb-Hf zircon and d11B tourmaline isotopic and elemental compositions. The host...has ‘oceanic’ composition (e.g., U/Yb < 0.1). Tourmaline is dravite with d11B ¼ þ1.8& (Tur 1), 0& (Tur |  | Cabral, Alexandre Raphael, Wiedenbeck, Michael, Koglin, Nikola, Lehmann, Bernd, de Abreu, Francisco R. (2012) Boron-isotopic constraints on the petrogenesis of hematitic phyllite in the southern Serra do Espinhaço, Minas Gerais, Brazil. Lithos, 140. 224-233 doi:10.1016/j.lithos.2012.01.011 | Journal (article/letter/editorial) | | phyllite in the southern Serra do Espinhaço, Minas Gerais, Brazil Alexandre Raphael Cabral a,⁎, Michael Wiedenbeck...Praça Ramos de Azevedo 206, 01037-010 São Paulo-SP, Brazil b c a r t i c l e i n f o Article history: Received...Keywords: Tourmaline Boron isotopes SIMS Hematitic phylite Southern Serra do Espinhaço Brazil a b s t...Supergroup, in the southern Serra do Espinhaço, Minas Gerais, Brazil. The lower units also comprise rocks with...amounts of titaniferous hematite, rutile and tourmaline. Currently, the hematitic phyllite has been interpreted |  | | Journal (article/letter/editorial) | | beryl, tourmaline, topaz, spodumene, and spessartine. Historic localities are found in Brazil, Madagascar...colored gemstones, including varieties of beryl, tourmaline (see Pezzotta and Laurs 2011), topaz, spodumene...(Simmons 2007). Historically, pegmatite deposits in Brazil, Madagascar, Russia, and the United States have...Aquamarine (green-blue to blue beryl variety) and tourmaline commonly occur in massive quartz or feldspar...Acadêmico Hélio Ramos, 54740-530, Recife, Pernambuco, Brazil E-mail: beurlen@ufpe.br E LEMENTS , V OL . 8, |  | Serrano, Paula, Pedrosa-Soares, Antonio, Medeiros-Júnior, Edgar, Fonte-Boa, Tobias, Araujo, Cristina, Dussin, Ivo, Queiroga, Gláucia, Lana, Cristiano (2018) A-type Medina batholith and post-collisional anatexis in the Araçuaí orogen (SE Brazil) Lithos, 320. 515-536 doi:10.1016/j.lithos.2018.09.009 | Journal (article/letter/editorial) | | and post-collisional anatexis in the Araçuaí orogen (SE Brazil) Paula Serrano, Antonio Pedrosa-Soares...and post-collisional anatexis in the Araçuaí orogen (SE Brazil). Lithos (2018), doi:10.1016/j.lithos...and post-collisional anatexis in the Araçuaí orogen (SE Brazil) Paula Serranoa*, Antonio Pedrosa-Soaresa...Queirogab, Cristiano Lanab Universidade Federal de Minas Gerais, Programa de Pós-Graduação em Geologia, CPMTC-IGC...31270-901 Belo Horizonte, Brazil b SC Departamento de Geologia, Escola de Minas, Universidade Federal de |  | | Journal (issue) | | Windmill-cut topaz from Namibia|Tourmaline from Masisi, DRC|Yellow tourmaline from Mavuco, Mozambique|Tremolite...Articles 708 Coloured Stone Mining and Trade in Brazil: A Brief History and Current Status By Aurélien...Collection V. L. Villani photo p. 758 Cover Photo: Brazil is the source of a variety of coloured stones,...ct Swiss Blue topaz, 7.99 ct amethyst, 3.29 ct tourmaline, 2.40 ct aquamarine, 1.12 ct Imperial topaz and... honey-colour chrysoberyl and Paraíba-colour tourmaline. Each includes a definition, history, research |  | | Journal (article/letter/editorial) | | imprints on units of the southern Araçuai belt, se Brazil: The history of superimposed Transamazonian and...imprints on units of the southern Araçuai belt, se Brazil: The history of superimposed Transamazonian and...IMPRINTS ON UNITS OF THE SOUTHERN ARAÇUAI BELT, SE BRAZIL: THE HISTORY OF SUPERIMPOSED TRANSAMAZONIAN AND...Peres1 PT 1. Departamento de Geologia, Escola de Minas, Universidade Federal de Ouro Preto, PT E D MA...Preto, MG, Brazil. AC CE Short title: Superimposed orogenesis recorded in the southern Araçuaí Belt Keywords: |  | | Book | | Alkmim Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent Regional...Alkmim • Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent 123...Janeiro Maracanã, Rio de Janeiro Brazil Fernando F. Alkmim Escola de Minas Universidade Federal de Ouro...Preto Ouro Preto Brazil Umberto G. Cordani Universidade de São Paulo São Paulo Brazil ISSN 2364-6438...significant contributor to the mining industry in Brazil. This book provides a state of knowledge overview |  | Galbiatti, H.F., Fonseca, M.A., Pereira, M.C., Polônia, J.C. (2007) Structural control of Au–Pd mineralization (Jacutinga): An example from the Cauê Mine, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 32 (3) 614-628 doi:10.1016/j.oregeorev.2005.03.020 | Journal (article/letter/editorial) | | example from the Cauê Mine, Quadrilátero Ferrífero, Brazil H.F. Galbiatti a,⁎, M.A. Fonseca b , M.C. Pereira...Rio Doce, Minas de Itabira, Serra do Esmeril S/N, Mina Cauê, 35900-900 Itabira, MG, Brazil b Departamento...Federal de Ouro Preto. 35.400-000, Ouro Preto, MG, Brazil Received 1 December 2001; accepted 31 March 2005...northeastern part of Quadrilatéro Ferrífero, Minas Gerais. Structural analysis reveals two important features...Keywords: Gold; Jacutinga; Quadrilátero Ferrífero; Brazil 1. Introduction Ancient miners referred to a shiny |  | Eeckhout, Sigrid G., Castañeda, Cristiane, Ferreira, Ana Cláudia M., Sabioni, Antônio C.S., de Grave, Eddy, Vasconcelos, Daniela C.L. (2002) Spectroscopic studies of spessartine from Brazilian pegmatites. American Mineralogist, 87 (10) 1297-1306 doi:10.2138/am-2002-1005 | Journal (article/letter/editorial) | | Federal, Brazil 4 Department of Mining and Geology, Federal University of Paraíba, Paraíba, Brazil 5 Department...Physics/ICEB, Federal University of Ouro Preto, Minas Gerais, Brazil 6 Department of Metallurgical and Materials...Engineering, Federal University of Minas Gerais, Minas Gerais, Brazil ABSTRACT Mössbauer spectra (MS)...2001). The Eastern gemological province (NE of Minas Gerais State, Fig. 2) includes two distinct types of...pegmatitic bodies are hosted by the Neoproterozoic Araçuaí Thrust-Fold Belt and display a zonal distribution |  | | Journal (article/letter/editorial) | | the Turmalina deposit, Quadrilátero Ferrífero, Brazil: structural evolution and the two stages of mineralization...Ferrífero (translated as BIron Quadrangle^), Minas Gerais, Brazil (Fig. 1a). The Quadrilátero Ferrífero (QF)...Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil 2 Universidade de...Brasília, Brasília, Distrito Federal 70910-900, Brazil Brazilian mining district located in the southern...geological map of the Quadrilátero Ferrífero (Minas Gerais, Brazil) showing the Rio das Velhas and other correlated |  | Bermanec, V., Horvat, M., Zigovecki GOBAC, Z., Zebec, V., Scholz, R., Skoda, R., Wegner, R., Brito Barreto, S. d., Dodony, I. (2012) Pseudomorphs of Low Microcline After Adularia Fourlings from the Alto Da Cabeca (Boqueirao) and Morro Redondo Pegmatites, Brazil. The Canadian Mineralogist, 50 (4) 975-987 doi:10.3749/canmin.50.4.975 | Journal (article/letter/editorial) | | CABEÇA (BOQUEIRÃO) AND MORRO REDONDO PEGMATITES, BRAZIL Vladimir BERMANEC§ Institute of Mineralogy and...Preto, Campus do Morro do Cruzeiro, Ouro Preto, MG, Brazil Radek ŠKODA Institute of Geological Sciences,...882 – Bodocongó, Campina Grande, PB, 58109.970 Brazil Sandra de BRITO BARRETO Department of Geology...Acad. Hélio Ramos s.n., 54740-530, Recife, PE, Brazil István DÓDONY Eötvös Loránd University, Department...BQ) and the Morro Redondo, Minas Gerais (sample MR) pegmatites in Brazil have a typical adularia fourling |  | | Journal (article/letter/editorial) | | AND SILICATES IN THE SAPUCAIA PEGMATITE, MINAS GERAIS, BRAZIL: GENETIC IMPLICATIONS Maxime BAIJOT and...Eastern Brazilian Pegmatitic Province (EBPP), Minas Gerais, Brazil. Detailed mapping of the pegmatite body...in the IWZ, to 0.71 in the IZ. Muscovite and tourmaline chemical compositions also show evidence of increasing...petrography, geochemistry, Sapucaia pegmatite, Minas Gerais, Brazil. Sommaire La pegmatite de Sapucaia se trouve...province pegmatitique brésilienne est (EBPP), Minas Gerais, Brésil. Une cartographie détaillée de la pegmatite |  | | Journal (article/letter/editorial) | | Tourmaline: The Kaleidoscopic Gemstone 7.7 carat fancy bluegreen Namibian tourmaline (set in 18 k gold)...top-quality “neon” blue-to-green, copper-bearing tourmaline, the Paraíba-type, is one of the highest-priced...species. KEYWORDS : tourmaline, gemstone, Paraíba-type, chromophores, gem deposits TOURMALINE AS A GEMSTONE...GEMSTONE Perhaps more than any other gemstone, tourmaline is renowned for its spectrum of colors, even within...within individual crystals (FIG. 1). In addition, tourmaline has the appropriate combination of beauty, durability |  | | Journal (article/letter/editorial) | | occurrence of other peraluminous minerals including tourmaline, garnet, and rarely gahnite, topaz, or andalusite...lepidolite mirrors a similar compositional shift in tourmaline (e.g., London 2016) and may arise from the same...composed of feldspars, quartz, muscovite, “black” tourmaline, and other common minerals. The composition of...abundance of other, more exotic minerals (polychrome tourmaline, tantalates, Cs-rich beryl, and so on), represent...described. The transition from ordinary “black” tourmaline to “polychrome” lithium tourmalines is sharply |  | Menezes Filho, Luiz A. D., Chaves, Mário L. S. C., Cooper, Mark A., Ball, Neil A., Abdu, Yassir A., Sharpe, Ryan, Day, Maxwell C., Hawthorne, Frank C. (2019) Brandãoite, [BeAl2(PO4)2(OH)2(H2O)4](H2O), a new Be–Al phosphate mineral from the João Firmino mine, Pomarolli farm region, Divino das Laranjeiras County, Minas Gerais State, Brazil: description and crystal structure. Mineralogical Magazine, 83 (2) 261-267 doi:10.1180/mgm.2018.121 | Journal (article/letter/editorial) | | region, Divino das Laranjeiras County, Minas Gerais State, Brazil: description and crystal structure Luiz...1 Federal University of Minas Gerais, Belo Horizonte, Minas Gerais, Brazil; 2Department of Geological...region, Divino das Laranjeiras County, Minas Gerais State, Brazil, where it occurs in an albite pocket...crystal structure, infrared spectrum, Minas Gerais State, Brazil (Received 10 January 2018; accepted 6...region, Divino das Laranjeiras County, Minas Gerais State, Brazil. The mineral is named after Professor |  | | Journal (article/letter/editorial) | | tourmalines from the Mata Azul pegmatitic field, Central Brazil Simone F. da Silva1,2*, Márcia A. Moura2, Hudson...D. Ardisson3 1 2 3 * Instituto Federal de Minas Gerais, Campus Congonhas, Avenida Michel Pereira de...Souza, 3007, Campinho, 36415-000 Congonhas, Minas Gerais, Brazil; simone.geologia@gmail.com Instituto de...Asa Norte, 70910-900 Brasília, Distrito Federal, Brazil Centro de Desenvolvimento de Tecnologia Nuclear...Mário Wernec, 30161970, Belo Horizonte, Minas Gerais, Brazil Corresponding author This study characterizes |
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Araçuaí, Minas Gerais, Brazil