 | Oliveira, Lucilia Aparecida Ramos de, Rios, Francisco Javier, RosiĂšre, Carlos Alberto, WĂ€lle, 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 SĂŁo Francisco Craton, Minas Gerais, Brazil. Ore Geology Reviews, 86. 130-153 doi:10.1016/j.oregeorev.2017.02.017 | Journal (article/letter/editorial) | | eastern SĂŁo Francisco Craton, Minas Gerais, Brazil Lucilia Aparecida Ramos de Oliveira a,â, Francisco Javier...Instituto de GeociĂȘncias (IGC), Universidade Federal de Minas Gerais (UFMG), Belo Horizonte, Minas Gerais...Gerais 31270-901, Brazil Centro de Desenvolvimento da Tecnologia Nuclear, CDTN, 31270-901 Belo Horizonte,... MG, Brazil c Institute of Geochemistry and Petrology (IGP), ETH Zurich, Clausiusstrasse 25, CH-8092...(ââSerpentina-typeâ ore) versus specularite-rich, S-free Au-PGE quartz veins (ââJacutinga-typeâ) that occur at the eastern |  | Cabral, A. R., Lehmann, B., Kwitko-Ribeiro, R., Jones, R. D., Rocha Filho, O. G. (2003) ON THE ASSOCIATION OF PALLADIUM-BEARING GOLD, HEMATITE AND GYPSUM IN AN OURO PRETO NUGGET. The Canadian Mineralogist, 41 (2) 473-478 doi:10.2113/gscanmin.41.2.473 | Journal (article/letter/editorial) | | Clausthal-Zellerfeld, Germany ROGERIO KWITKO-RIBEIRO§ Centro de Desenvolvimento Mineral, Companhia Vale do Rio Doce...296, Caixa Postal 09, 33030-970 Santa Luzia â MG, Brazil RICHARD D. JONES 1636 East Skyline Drive, Tucson...Mina do Gongo Soco, Companhia Vale do Rio Doce, Fazenda Gongo Soco, Caixa Postal 22, 35970-000 BarĂŁo de Cocais...Cocais â MG, Brazil ABSTRACT An ouro preto (black gold) nugget from Gongo Soco, Minas Gerais, Brazil...mertieite-II, Gongo Soco, Minas Gerais, Brazil. SOMMAIRE Une pĂ©pite de ouro preto (or noir) provenant de Gongo |  | | Journal (article/letter/editorial) | | 63, Buea, South West Province, Cameroon c Centro de Desenvolvimento Mineral, Companhia Vale do Rio Doce...Santa Luzia-MG, Brazil Mina do Gongo Soco, Companhia Vale do Rio Doce, Fazenda Gongo Soco, Caixa Postal...Postal 22, 35970-000 BarĂŁo de Cocais-MG, Brazil b d Received 9 September 2005; accepted 6 March 2006 Available...(jacutinga) at Gongo Soco, an iron ore deposit in the QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil, have inclusions...Gold nuggets; Ouro preto; Gongo Soco; QuadrilĂĄtero FerrĂfero; Minas Gerais; Brazil 1. Introduction Among |  | | Journal (article/letter/editorial) | | QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil: petrographic evidence from the Gongo Soco iron ore deposit A...high-grade soft hematite ore from Gongo Soco, Minas Gerais, Brazil, consists of laminae of platy hematite...interpreted in terms of hydrothermal leaching of quartz and dolomite from precursor itabirite, with goethitic...Rua Coelho Neto 32/apt 704, 22231-110 Rio de JaneiroâRJ, Brazil. Orlando Garcia Rocha Filho (orlando.rocha@cvrd...is with Mina do Gongo Soco s/n, caixa postal 22, 35970-000 BarĂŁo de CocaisâMG, Brazil. Richard David Jones |  | Cabral, A. R., Lehmann, B., Galbiatti, H. F., Rocha Filho, O. G. (2006) Evidence for metre-scale variations in hematite composition within the Palaeoproterozoic Itabira Iron Formation, Minas Gerais, Brazil. Mineralogical Magazine, 70 (5) 591-602 doi:10.1180/0026461067050352 | Journal (article/letter/editorial) | | Palaeoproterozoic Itabira Iron Formation, Minas Gerais, Brazil A. R. CABRAL1,*, B. LEHMANN2, H. F. GALBIATTI3...MG, 35900-900, Brazil 4 Companhia Vale do Rio Doce, Fazenda Gongo Soco, BaraÌo de Cocais MG, 35970-000...35970-000, Brazil 2 ABSTR ACT Hematite is a mineral the chemical composition of which rarely differs significantly...and Gongo Soco, in the Palaeoproterozoic Itabira Iron Formation, QuadrilaÌtero FerrıÌfero of Minas Gerais...Gerais, Brazil, has revealed distinct variations in chemical composition with respect to Ti and Cr. Hematite |  | | Report (issue) | | and Mineral Resources of the Barao de Cocais Area Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...and Mineral Resources of the Barao de Cocais Area Minas Gerais, Brazil By GEORGE C. SIMMONS GEOLOGY AND...AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-H Prepared...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International |  | LĂŒders, Volker, Romer, Rolf L., Cabral, Alexandre R., Schmidt, Christian, Banks, David A., Schneider, Jens (2005) Genesis of itabirite-hosted AuâPdâPt-bearing hematite-(quartz) veins, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil: constraints from fluid inclusion infrared microthermometry, bulk crush-leach analysis and UâPb systematics. Mineralium Deposita, 40 (3) 289-306 doi:10.1007/s00126-005-0024-8 | Journal (article/letter/editorial) | | AuâPdâPt-bearing hematite-(quartz) veins, QuadrilaÌtero FerrıÌfero, Minas Gerais, Brazil: constraints from fluid...Springer-Verlag Abstract Fluid inclusions hosted in quartz and specular hematite from auriferous (jacutinga)...of the QF. Halogen ratios of ïŹuid inclusions in quartz and hematite from all studied deposits are consistent...subsequently diluted. Fluid inclusions hosted in quartz and hematite are characterized by consistent Na/K...AuâPdâPt Ă Minas Gerais Introduction Present address: A. R. Cabral DeÌpartement de geÌologie et de geÌnie |  | Cabral, A. R., Lehmann, B., Kwitko, R., Jones, R. D. (2002) Palladian gold and palladium arsenideâantimonide minerals from Gongo Soco iron ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Applied Earth Science, 111 (1) 74-80 doi:10.1179/aes.2002.111.1.74 | Journal (article/letter/editorial) | | arsenideâantimonide minerals from Gongo Soco iron ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil Downloaded by...present-day Gongo Soco iron ore deposit was one of the most famous gold mines in Brazil in the nineteenth... The iron ore mining has exposed crosscutting, quartzâspecularite auriferous ore shoots within Palaeoproterozoic...locally. Gongo Soco is one of the numerous iron ore deposits of the QuadrilĂĄtero FerrĂfero of Minas Gerais...was not only the first major underground gold mine in Brazil but also the most famous of the so-called jacutinga |  | | Journal (article/letter/editorial) | | OF âNATIVE PALLADIUMâ FROM MINAS GERAIS, BRAZIL: EVIDENCE FROM GONGO SOCO ALEXANDRE RAPHAEL CABRAL Rua...32/704, 22231â110 Rio de Janeiro, RJ, Brazil ROGERIO KWITKO-RIBEIRO Centro de Desenvolvimento Mineral...296, Caixa Postal 09, 33030â970 Santa Luzia, MG, Brazil ABSTRACT Minute rosette-like crystals (~1 âźm)...of a gold nugget from Gongo Soco, an iron ore deposit in Minas Gerais, Brazil. The rosettes consist essentially...oxygen-bearing palladium, gold nugget, Gongo Soco, Minas Gerais, Brazil. SOMMAIRE De trĂšs petits cristaux (~1 âźm) |  | | Journal (article/letter/editorial) | | platinum from ouro preto-bearing mineralisation in Brazil Alexandre Raphael Cabral a,b,â, Bernd Lehmann a...rushes in Brazil (Minas Gerais and Serra Pelada). The auriferous mineralisations of Gongo Soco and Itabira...Itabira, Minas Gerais, and Serra Pelada, ParĂĄ, have PdâO-bearing, dark-coloured ferruginous coatings on...empirical Pd5(Hg,Sb,Ag)2Se6 and (Pd,Sb,Ag,Hg)5Se4, at Gongo Soco; palladseite, ideally Pd17Se15, and sudovikovite...minerals; Ouro preto; Gongo Soco; Itabira; Serra Pelada; Brazil 1. Introduction Brazil had two major gold |  | Cabral, Alexandre Raphael, Wiedenbeck, Michael, Rios, Francisco Javier, Seabra Gomes, AntĂŽnio 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) | | associated with soft hematite ore, Gongo Soco deposit, Minas Gerais, Brazil: petrography, mineral chemistry...dolomitic itabirite at Gongo Soco, QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil. The hematiteâtalc schist...Centro de Desenvolvimento da Tecnologia Nuclear (CDTN/CNEN), 30123-970, Belo Horizonte-MG, Brazil A. A...Gomes Jr GerĂȘncia de Exploração Mineral de Ferrosos (GAEMF), Centro TecnolĂłgico de FerrososâMiguelĂŁo...Fazenda Rio do Peixe, GalpĂŁo de Testemunhos, 34000-000, Nova Lima-MG, Brazil O. G. Rocha Filho Rua CearĂĄ |  | Cabral, A. R., Lehmann, B., Tupinamba, M., Schlosser, S., Kwitko-Ribeiro, R., de Abreu, F. R. (2009) THE PLATINIFEROUS Au-Pd BELT OF MINAS GERAIS, BRAZIL, AND GENESIS OF ITS BOTRYOIDAL Pt-Pd AGGREGATES. Economic Geology, 104 (8) 1265-1276 doi:10.2113/gsecongeo.104.8.1265 | Journal (article/letter/editorial) | | COMMUNICATIONS THE PLATINIFEROUS Au-Pd BELT OF MINAS GERAIS, BRAZIL, AND GENESIS OF ITS BOTRYOIDAL Pt-Pd AGGREGATES...SCHLOSSER,4 ROGERIO KWITKO-RIBEIRO,5 AND FRANCISCO R. DE ABREU6 1 Department 2 Mineral of Geology: Exploration... Research Group, Faculdade de Geologia, Universidade do Estado do Rio de Janeiro, Rua S. Francisco Xavier...Janeiro-RJ, Brazil 4 Curt-Engelhorn-Zentrum 5 Centro ArchĂ€ometrie, D6, 3, D-68159 Mannheim, Germany de Desenvolvimento...Luzia-MG, Brazil 6 Votorantim Metais, Praça Ramos de Azevedo 206, 01037-010 SĂŁo Paulo-SP, Brazil Abstract |  | | Report (issue) | | Development of the Quadrilatero Ferrifero Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Development of the Quadrilatero Ferrifero Minas Gerais, Brazil By JOHN VAN N. DORR 2d REGIONAL GEOLOGY...GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International |  | Raphael Cabral, A., Lehmann, B., Kwitko, R., Jones, R. D., Pires, F. R. M., Rocha Filho, O. G., Innocentini, M. D. (2001) Palladium-oxygenated compounds of the Gongo Soco mine, QuadrilĂĄtero FerrĂfero, central Minas Gerais, Brazil. Mineralogical Magazine, 65 (2) 169-179 doi:10.1180/002646101550208 | Journal (article/letter/editorial) | | compounds of the Gongo Soco mine, QuadrilaÌtero FerriÌfero, central Minas Gerais, Brazil A. RAPHAEL CABRAL1...2A, D-38678 Clausthal-Zellerfeld, Germany 2 Centro de Desenvolvimento Mineral, Companhia Vale do Rio Doce...Santa Luzia-MG, Brazil 3 1636 East Skyline Drive, Tucson, AZ 85178, USA 4 Departamento de Geologia, Universidade...Federal do Rio de Janeiro, Cidade UniversitaÌria, 21949-900 Rio de Janeiro-RJ, Brazil 5 Mineraça~o Socoimex...Socoimex Ltda., Fazenda Gongo Soco, Caixa Postal 42, 34800-000 CaeteÌ-MG, Brazil ABSTR ACT New data on |  | | Journal (article/letter/editorial) | | from a palladian gold nugget (Gongo Soco iron ore mine, Minas Gerais, Brazil) A. RAPHAEL CABRAL* AND B...(âjacutingaâ) of the Gongo Soco iron ore mine, QuadrilaÌtero FerrԎfero, Minas Gerais, allows the definition...species, Gongo Soco, Itabira Iron Formation, QuadrilaÌtero FerrԎfero, Minas Gerais, Brazil. Introduction...auriferous mineralization (âjacutingaâ) of Gongo Soco, Minas Gerais, the same locality which provided the...Source: (1) âjacutingaâ style mineralization, Minas Gerais, Brazil (Berzelius, 1836; Hussak, 1906b; Olivo et |  | Cabral, Alexandre Raphael, TupinambĂĄ, Miguel, Zeh, Armin, Lehmann, Bernd, Wiedenbeck, Michael, Brauns, Michael, Kwitko-Ribeiro, Rogerio (2017) Platiniferous goldâtourmaline aggregates in the goldâpalladium 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) | | aggregates in the goldâpalladium belt of Minas Gerais, Brazil: implications for regional boron metasomatism...The platiniferous goldâpalladium belt of Minas Gerais, Brazil, forms an approximately 240-km-long, roughly...Tektos-Geotectonic Research Group, Faculdade de Geologia, Universidade do Estado do Rio de Janeiro, Rua S. Francisco Xavier...Xavier 524 s. A4016, Rio Janeiro-RJ 20550-050, Brazil 4 Deutsches GeoForschungsZentrum GFZ, Telegrafenberg...Departamento de Tecnologia Mineral, Rodovia BR 381, km 450, Santa Luzia-MG 33040-900, Brazil tourmaline |  | | Journal (article/letter/editorial) | | comparison with the QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil Alexandre Raphael Cabral & Carlos Alberto...deposits in the QuadrilĂĄtero FerrĂfero of Minas Gerais, Brazil. The first generation of specular hematite...defines the pervasive tectonic foliation of the Gongo Soco iron ore. This hematite has Ti contents of up...AntĂŽnio Carlos 6627, 31270-901 Belo Horizonte, MG, Brazil B-bearing fluids that were capable of mobilising...Mo was derived from the host black shale. In Minas Gerais, B and Li were incorporated into the early tectonic |  | Trumbull, R. B., Garda, G. M., Xavier, R. P., Cavalcanti, J. A. D., Codeço, M. S. (2019) Tourmaline in the Passagem de Mariana gold deposit (Brazil) revisited: major-element, trace-element and B-isotope constraints on metallogenesis. Mineralium Deposita, 54 (3) 395-414 doi:10.1007/s00126-018-0819-z | Journal (article/letter/editorial) | | ARTICLE Tourmaline in the Passagem de Mariana gold deposit (Brazil) revisited: major-element, trace-element...Springer Nature 2018 Abstract Tourmaline at Passagem de Mariana forms three associations: stratiform tourmalinite...geological arguments, we favor a source in the Minas Supergroup metasedimentary units hosting the deposit...FerrĂfero . Minas Gerais . Boron isotopes . Trace elements Introduction The Passagem de Mariana (PM)... Instituto de GeociĂȘncias, Universidade de SĂŁo Paulo, SĂŁo Paulo, Brazil 3 Instituto de GeociĂȘncias |  | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) HgâTl-bearing manganese oxide from Conta HistĂłria manganese deposit, QuadrilĂĄtero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | | manganese deposit, QuadrilĂĄtero Ferrifero, Minas Gerais, Brazil occur in the Palaeoproterozoic Itabira...FerrĂfero, the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits Table...Itabira Iron Formation is the middle unit of the Minas Supergroup, which includes the Caraça Group, the...(dashed lines)37 in QuadrilĂĄtero FerrĂfero of Minas Gerais basal clastic unit, and the Piracicaba Group...subordinate itabirite and dolomitic phyllite. The Minas Supergroup rests unconformably on the Archaean Rio |  | | Journal (article/letter/editorial) | | Polygenetic lateritic iron ores on BIF's in Minas Gerais/Brazil By J. WEGGEN, Bergisch Gladbach and !. VALETON...figures and 1 plate Zusammenfassung Aus der FERTECO-mine, Eisernes Viereck, M.G. Brasilien, werden Mineralogie...cocTaBaermbix nopo~aMn BbmeTpm~anmq,.3 perriona Ferteco-mine, M.G. Bpa3Hnm4. Hponcxo:~(~e~He ~x CB~IBbIBatOTC...(banded iron formation) of the Ferteco area, M.G. Brazil. A several hundred meter deep Proterozoic supergene...superg~ne prot&ozoi'que de la formation BIF (banded iron formation) (rEgion de la mine de FERTECO, M.G., Br&il) |  | Cabral, A. R., Lehmann, B., Kwitko, R., Galbiatti, H. F., Pereira, M. C. (2002) Palladseite and its oxidation: evidence from Au-Pd vein-type mineralization (jacutinga), CauĂȘ iron-ore mine, QuadrilĂĄtero FerrĂfero, Minas Gerais, Brazil. Mineralogical Magazine, 66 (2) 327-336 doi:10.1180/0026461026620033 | Journal (article/letter/editorial) | | (jacutinga), Caueâ iron-ore mine, Quadrila€tero Ferr|€ fero, Minas Gerais, Brazil A. R. CABRAL1,*, B. LEHMANN1...2A, D-38678 Clausthal-Zellerfeld, Germany 2 Centro de Desenvolvimento Mineral, Companhia Vale do Rio Doce...Luzia-MG, Brazil 3 Diretoria de Metais Nobres, Companhia Vale do Rio Doce, 35900-900 Itabira-MG, Brazil ABSTR...jacutinga, CaueÌ iron-ore mine, Itabira Iron Formation, QuadrilaÌtero FerrıÌfero, Brazil. Introduction PALLADSEITE...iron formation (itabirite) at the CaueÌ iron-ore mine, Itabira (Olivo and Gauthier, 1995; Olivo et al |  | Cabral, A. R., Beaudoin, G., Choquette, M., Lehmann, B., PolĂŽnia, J. C. (2007) Supergene leaching and formation of platinum in alluvium: evidence from Serro, Minas Gerais, Brazil. Mineralogy and Petrology, 90 (1) 141-150 doi:10.1007/s00710-006-0171-3 | Journal (article/letter/editorial) | | platinum in alluvium: evidence from Serro, Minas Gerais, Brazil A. R. Cabral1; , G. Beaudoin1 , M. Choquette1...Lehmann2 , and J. C. PoloÌnia3 1 Departement de geologie et de genie geologique, Universite Laval, Quebec...Clausthal, Clausthal-Zellerfeld, Germany 3 Caete â MG, Brazil 2 Received June 6, 2006; accepted August 23, 2006...Corrego Bom Sucesso alluvial deposit near Serro, Minas Gerais, probably provided the specimens from which...enrichment) as a less probable hypothesis. In Minas Gerais, Brazil, occurrence of alluvial platinum and palladium |  | Cabral, A. R., Zeh, A., Galbiatti, H. F., Lehmann, B. (2015) LATE CAMBRIAN Au-Pd MINERALIZATION AND Fe ENRICHMENT IN THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL, AT 496 Ma: CONSTRAINTS FROM U-Pb MONAZITE DATING OF A JACUTINGA LODE. Economic Geology, 110 (1) 263-272 doi:10.2113/econgeo.110.1.263 | Journal (article/letter/editorial) | | AND Fe ENRICHMENT IN THE ITABIRA DISTRICT, MINAS GERAIS, BRAZIL, AT 496 MA: CONSTRAINTS FROM U-Pb MONAZITE...Germany 3 GerĂȘncia de Exploração de Ferrosos, Vale, MiguelĂŁo, 34000-000 Nova Lima-MG, Brazil Abstract Bonanza-style...century in the province that became known as Minas Gerais. The timing of this itabirite-hosted vein mineralization...events recorded in the QuadrilĂĄtero FerrĂfero of Minas Gerais, the ~2.0 Ga Transamazonian event and the ~0...also affected surrounding Neoarchean rocks of the Minas Supergroup, as well as younger rocks of the southern |  | | Journal (article/letter/editorial) | | high-strain domain of the QuadrilaÌtero FerrıÌfero, Brazil, hard and soft high-grade hematite ore may occur...thrusting the Paleoproterozoic platform sequence of the Minas Supergroup over Mesoproterozoic quartzites of the...synclines, with Paleoproterozoic metasediments of the Minas Supergroup separated by antiformal structures and...terrains and Proterozoic crystalline rocks. The Minas Supergroup comprise, from bottom to top, Caraça...Instituto de GeocieÌncias, Universidade Federal de Minas Gerais, Belo Horizonte MG 31270-901, Brazil Fluid |  | Galbiatti, H.F., Fonseca, M.A., Pereira, M.C., PolĂŽnia, J.C. (2007) Structural control of AuâPd mineralization (Jacutinga): An example from the CauĂȘ Mine, QuadrilĂĄtero FerrĂfero, 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 CauĂȘ Mine, QuadrilĂĄtero FerrĂfero, Brazil H.F. Galbiatti a,â, M.A. Fonseca...Rio Doce, Minas de Itabira, Serra do Esmeril S/N, Mina CauĂȘ, 35900-900 Itabira, MG, Brazil b Departamento...Departamento de Geologia, Universidade Federal de Ouro Preto. 35.400-000, Ouro Preto, MG, Brazil Received 1...northeastern part of QuadrilatĂ©ro FerrĂfero, Minas Gerais. Structural analysis reveals two important features...Keywords: Gold; Jacutinga; QuadrilĂĄtero FerrĂfero; Brazil 1. Introduction Ancient miners referred to a shiny |
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