 | Olivo, G. R., Gauthier, M., Williams-Jones, A. E., Levesque, M. (2001) The Au-Pd Mineralization at the Conceicao Iron Mine, ItabiraDistrict, Southern Sao Francisco Craton, Brazil: An Example of aJacutinga-Type Deposit. Economic Geology, 96 (1) 61-74 doi:10.2113/gsecongeo.96.1.61 | Journal (article/letter/editorial) | | Mineralization at the Conceição Iron Mine, Itabira District, Southern São Francisco Craton, Brazil: An Example...Canada H3C 3P8 Abstract The Conceição mine, which is located in the Itabira district, southern São Francisco...an altered Lake Superior-type iron-formation. The mine sequence consists of three metamorphosed lithostratigraphic...conditions during the D1 phase of folding. The Conceição orebody consists of a single quartz vein surrounded...hematite (hematite III), kaolinite, muscovite, and tourmaline. The quartz vein is dismembered and quartz grains |  | Oliveira, Lucilia Aparecida Ramos de, Rios, Francisco Javier, Rosière, Carlos Alberto, Wälle, Markus, Ortelli, Melissa, Kouzmanov, Kalin (2017) Nature and evolution of fluids associated with specularite-bearing Fe and Au-PGE (Jacutinga) mineralization during the Brasiliano orogeny in the eastern São Francisco Craton, Minas Gerais, Brazil. Ore Geology Reviews, 86. 130-153 doi:10.1016/j.oregeorev.2017.02.017 | Journal (article/letter/editorial) | | orogeny in the eastern São Francisco Craton, Minas Gerais, Brazil Lucilia Aparecida Ramos de Oliveira a,⇑...Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais 31270-901, Brazil Centro de Desenvolvimento...Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte, MG, Brazil c Institute of Geochemistry and Petrology (IGP)...aqueous-carbonic fluid from the Catas Altas and Itabira deposits. These Jacutinga-type fluids present a...Maria de Itabira. The high salinity of these brines (23.2–25.3 wt% NaCleqv) from the Itabira ore likely |  | 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) | | (Jacutinga): An example from the Cauê Mine, Quadrilátero Ferrífero, Brazil H.F. Galbiatti a,⁎, M.A. Fonseca...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...Paleoproterozoic metasedimentary rocks in the Itabira District, a regional synclinorium with BIFs in...northeastern part of Quadrilatéro Ferrífero, Minas Gerais. Structural analysis reveals two important features |  | Cabral, Alexandre Raphael, Wiedenbeck, Michael, Rios, Francisco Javier, Seabra Gomes, Antônio Augusto, Rocha Filho, Orlando Garcia, Jones, Richard David (2012) Talc mineralisation associated with soft hematite ore, Gongo Soco deposit, Minas Gerais, Brazil: petrography, mineral chemistry and boron-isotope composition of tourmaline. Mineralium Deposita, 47 (4) 411-424 doi:10.1007/s00126-011-0374-3 | Journal (article/letter/editorial) | | with soft hematite ore, Gongo Soco deposit, Minas Gerais, Brazil: petrography, mineral chemistry and boron-isotope...boron-isotope composition of tourmaline Alexandre Raphael Cabral & Michael Wiedenbeck & Francisco Javier...at Gongo Soco, Quadrilátero Ferrífero of Minas Gerais, Brazil. The hematite–talc schist and soft hematite...Nuclear (CDTN/CNEN), 30123-970, Belo Horizonte-MG, Brazil A. A. Seabra Gomes Jr Gerência de Exploração Mineral...Lima-MG, Brazil O. G. Rocha Filho Rua Ceará, 1338/701, 30150-311, Belo Horizonte-MG, Brazil R. D. Jones |  | | Journal (article/letter/editorial) | | 201-C, Salvador, 40170-290, Bahia, Brazil b Geological Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio...Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil Received 2 May 2004; accepted 1 May 2006 Available...(Imataca Complex), and others from Brazil (Quadrilátero Ferrífero, Itabira, and Guanhães) were part of the...mentioning that the Serra dos Carajás Basin in northern Brazil is older. It contains the worlds' largest iron...metamorphosed Caraíba deposit, Curaçá Valley, Bahia, Brazil. This is an unusual, strongly deformed copper deposit |  | Hensler, Ana-Sophie, Hagemann, Steffen G., Brown, Philip E., Rosière, Carlos A. (2014) Using oxygen isotope chemistry to track hydrothermal processes and fluid sources in itabirite-hosted iron ore deposits in the Quadrilátero Ferrífero, Minas Gerais, Brazil. Mineralium Deposita, 49 (3) 293-311 doi:10.1007/s00126-013-0486-z | Journal (article/letter/editorial) | | deposits in the Quadrilátero Ferrífero, Minas Gerais, Brazil Ana-Sophie Hensler & Steffen G. Hagemann...Heidelberg 2013 Abstract The Quadrilátero Ferrífero, Brazil, is presently the largest accumulation of single...highgrade iron ore bodies at, e.g. the Águas Claras, Conceição, Pau Branco and Pico deposits revealed different...Universidade Federal de Minas Gerais, Belo Horizonte, Minas Gerais 31270-901, Brazil and/or the infiltration...jaspilite-hosted iron ore of Carajás in the north of Brazil, the ore bodies of the Transvaal in South Africa |  | | Journal (article/letter/editorial) | | hematite ore at the Quadrilátero Ferrífero, Minas Gerais, Brazil and its possible genetic significance F...are hosted by the Proterozoic itabirites of the Itabira iron formation. These deposits are widely distributed...are also substituted by hematite. Muscovite, tourmaline, talc, chlorite, apatite and kaolinite have been...deposits of high-grade, compact hematite of QF, Minas Gerais, Brazil, averaging 68%Fe and < 1%SiO2, totalling...Fernandinho, Galinheiro, Mina do Pico e Sapecado (MBR mine properties). Apart from the initially estimated |  | 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...greenmountainminerals.com BA R I T E 12 X 8” Parkside Mine, Frizington Copeland, Cumbria, England, UK Photo...EPIDOTE DEPOSITS OF THE CAPELINHA REGION, MINAS GERAIS, BRAZIL Andrea Bartorelli1 Carlos Cornejo2 Mario |  | | Journal (article/letter/editorial) | | AND POTARITE FROM THE BOM SUCESSO STREAM, MINAS GERAIS, BRAZIL: COMPOSITIONAL ZONING AND ORIGIN MICHAEL...13506-900 Brazil ABSTRACT Platinum–Pd nuggets from the Bom Sucesso stream alluvium, Minas Gerais, Brazil...potarite, botryoidal nuggets, alluvium, Bom Sucesso, Brazil. SOMMAIRE Nous avons caractérisé des pépites alluvionnaires...provenant du ruisseau Bom Sucesso, dans l’état de Minas Gerais, au Brésil, par analyses à la microsonde électronique...occurs uncommonly in placer deposits in Minas Gerais (Brazil), Choco (Colombia), and Guyana in South |  | 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 |  | Vial, D.S., Abreu, G.C., Schubert, G., Ribeiro-Rodrigues, L.C. (2007) Smaller gold deposits in the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 32 (3) 651-673 doi:10.1016/j.oregeorev.2005.01.004 | Journal (article/letter/editorial) | | Velhas greenstone belt, Quadrilátero Ferrífero, Brazil D.S. Vial a,⁎, G.C. Abreu b , G. Schubert a , L...Vale do Rio Doce, BR 381, km 450, Santa Luzia, MG, Brazil Instituto de Geociências da Universidade de São...São Paulo, Rua Major Solbiat, 226, Torrinha, SP, Brazil Fundação Educacional de Caratinga, Fazenda Experimental...BR-116, Km 526, Bairro das Graças, Caratinga, MG, Brazil b c Received 26 June 2003; accepted 2 January...small gold deposits of the QF are given, based on mine geological mapping and exploration developed in |  | Vial, Diogenes Scipioni, DeWitt, Ed, Lobato, Lydia Maria, Thorman, Charles H. (2007) The geology of the Morro Velho gold deposit in the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 32 (3) 511-542 doi:10.1016/j.oregeorev.2004.12.008 | Journal (article/letter/editorial) | | Velhas greenstone belt, Quadrilátero Ferrífero, Brazil Diogenes Scipioni Vial a,⁎, Ed DeWitt b , Lydia...Doce-CVRD, BR 381, Km 459, Santa Luzia, MG, 33010-970, Brazil United States Geological Survey, Box 25046, Denver...Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil d CTGS...deposit, Quadrilátero Ferrífero region, Minas Gerais, Brazil, is hosted by rocks at the base of the Archean...Orogenic Archean gold; Quadrilátero Ferrífero; Brazil; Greenstone belt; Lapa seca 1. Introduction The |  | | 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...blood ruby, royal blue and cornflower sapphire, old mine/ Muzo green emerald, sunrise and sunset padparadscha |  | Tassinari, Colombo C.G., Mateus, Antonio M., Velásquez, Marta E., Munhá, José M.U., Lobato, Lydia M., Bello, Rosa M., Chiquini, Ana Paula, Campos, William F. (2015) Geochronology and thermochronology of gold mineralization in the Turmalina deposit, NE of the Quadrilátero Ferrífero Region, Brazil. Ore Geology Reviews, 67. 368-381 doi:10.1016/j.oregeorev.2014.12.013 | Journal (article/letter/editorial) | | deposit, NE of the Quadrilátero Ferrífero Region, Brazil Colombo C.G. Tassinari a,⁎, Antonio M. Mateus b...Paulo, Rua do Lago, 562, 05508-900 São Paulo, SP, Brazil Departamento de Geologia, Faculdade de Ciências...69077-000, Amazonas, Brazil, d Instituto de Geociências Universidade Federal de Minas Gerais, Av. Antônio Carlos...6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil e Jaguar Mining Group, Rua Levindo Lopes 323, Funcionarios...Funcionarios, Belo Horizonte, MG 30140-170, Brazil b c a r t i c l e i n f o Article history: Received |  | | Journal (volume) | | Deposits in the Carajás Mineral Province, Pará State, Brazil Rosaline Figueiredo e Silva, Lydia Maria Lobato...educated Dutch geologist and permanent resident of Brazil with an M.Sc. degree in metamorphic geology, under...in the Espinhaço Range and has worked widely in Brazil and shield South America, mainly on exploration...geologic, mineral resources, and geotectonic map of Brazil, published in 4 sheets and in DVDGIS format with...the CSIRO in roles including science adviser for mine processing. He previously advised companies such |  | | Journal (article/letter/editorial) | | Paleoproterozoic crust of the São Francisco Craton, Bahia, Brazil: geodynamic features J.S.F. Barbosa a,∗ , P. Sabaté...Bahia, Brazil b IRD—Representation in Brazil CP7091, Lago Sul, 71619-970 Brasilia, DF, Brazil Received...Geocronological; Geotectonic models; Mineral deposits; Bahia; Brazil 1. Introduction The essential features of the... andalusite and iron oxide, besides detrital tourmaline, rutile, and zircon. The orebodies (5–6 g Au/t)...lithospheric scale shear discontinuity (Conceição et al., 1989; Conceição, 1993). They represent an alkaline |  | | 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 |  | | Journal (issue) | | iridescence observed in “rainbow” hematite from Minas Gerais, Brazil. 40 DNA Techniques Applied to the Identification...Celestial inclusion scene in sapphire • Pink tourmaline in spodumene host • Quarterly crystal: Cr-diopside...iridescence in metamorphic “rainbow” hematite from Brazil. The authors use electron microscopy, atomic force...channels, an opal with agate-like bands, and a pink tourmaline with spodumene inclusions. In addition to aquamarine...colored by GR1 defects have been alluvial deposits in Brazil, Guyana, Venezuela, Zimbabwe, the Central African |  | 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 and metasedimentary...ophiolite-bearing accretionary wedge (Araçuaí orogen, SE Brazil): New data for Cryogenian plagiogranite and metasedimentary...ophiolite-bearing accretionary wedge (Araçuaí orogen, SE 2 Brazil): New data for Cryogenian plagiogranite and metasedimentary...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 |  | Mello, Edson F., Xavier, Roberto P., McNaughton, Neal J., Hagemann, Steffen G., Fletcher, Ian, Snee, Larry (2006) Age constraints on felsic intrusions, metamorphism and gold mineralisation in the Palaeoproterozoic Rio Itapicuru greenstone belt, NE Bahia State, Brazil. Mineralium Deposita, 40 (8) 849-866 doi:10.1007/s00126-005-0037-3 | Journal (article/letter/editorial) | | Rio Itapicuru greenstone belt, NE Bahia State, Brazil Received: 24 February 2004 / Accepted: 22 November...Universitária, Ilha do Fundão, Rio de Janeiro, 21949-900, Brazil e-mail: mello@geologia.ufrj.br Tel.: +55-021-25989464...Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil N. J. McNaughton . S. G. Hagemann . I. Fletcher...Itapicuru greenstone belt . São Francisco Craton . Brazil Introduction The Rio Itapicuru greenstone belt...of the Rio Itapicuru greenstone belt in northern Brazil, within the São Francisco Craton (Oliveira et al |  | | Journal (issue) | | NE of the Sandawana mine, along the Mweza Range, which is named 'Machingwe' mine, after a nearby stream...The Machingwe Emerald mine The car journey from Masvingo to the Mashingwe mine takes about 3l/z hours...for the mine became 'Machingwe Syndicate No. No.22 Mine', but is better known under the name Mine: Machingwe...Machingwe mine. At the time of the first author's visit to the mine -S striking, the No. No.11 shaft shaft...mining based on very simple methods at the time the mine was visited, but also the plant and the treatment |  | | 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...formed in the Neoproterozoic Araçuaí orogen (SE T Brazil) during Western Gondwanaland assembly a SC R...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 |  | Liu, Chao, Hystad, Grethe, Golden, Joshua J., Hummer, Daniel R., Downs, Robert T., Morrison, Shaunna M., Ralph, Jolyon P., Hazen, Robert M. (2017) Chromium mineral ecology. American Mineralogist, 102 (3) 612-619 doi:10.2138/am-2017-5900 | Journal (article/letter/editorial) | | sites of many minerals (e.g., spinel, garnet, tourmaline) by substituting for Fe3+, Mg2+, Ca2+, Al3+,...Mammoth-Saint Anthony Mine (Mammoth-St Anthony Mine; Mammoth Mine; St. Anthony Mine), St. Anthony Deposit...4 Hatrurim Formation, Negev, Israel 5 Red Ledge Mine, Washington, Washington District (Omega District)... Kamakusa, Mazaruni District, Guyana 7 Red Lead Mine, Dundas Mineral Field, Zeehan District, Tasmania...Region, Russia 9 Moon Anchor Mine (Aggravation Mine; East Vulture Mining Co. Mine), Hummingbird Spring, Osborn |  | | Journal (article/letter/editorial) | | of secondary minerals at the Spring Creek copper mine, on the flank of Mount Remarkable, near Wilmington...in an altered quartz – feldspar – tourmaline rock in an abandoned mine at Sierra Gorda, near Antofagasta...locality. Found at the Cerchiara manganese (braunite) mine, Val di Vara, eastern Liguria, Italy. Basso, R....pit near the long-abandoned Clear Creek mercury mine, New Idria district, San Benito County, California...Co-dominant analogue of lotharmeyerite. Found in a mine dump, Schneeberg, Saxony, Germany. Krause, W. et |
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