 | | Report (issue) | | the Nova Lima and Rio Acima Quadrangles Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-A...the Departamento N acional da Producao Mineral of Brazil under the auspices of the International Cooperation...Quadrangles Minas Gerais, Brazil By JACOB E. GAIR GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation...Structure 6 8 Folds in the Santa Rita—Nova Lima—Raposos 8 Igneous rocks 6 50 6 Regional deformation and |  | | Journal (article/letter/editorial) | | 1964, pp. 775-798 GEOLOGY OF THE RAPOSOS GOLD MINE, MINAS GERAIS, BRAZ[I. GENE E. TOLBERT CONTENTS....................................... Chromian sericite schist .........................................797 775 776 GENE E. TOLBERT ABSTRACT The Raposos gold deposits are localized in Precambrian carbonate...sequenceof rocks that includes chlorite schist, sericite schist, phyllite, and quartz-carbonate rocks....sequence,which trends approximately east-west in the mine area, is intruded by diabase dikes that strike northeast |  | | Journal (article/letter/editorial) | | e r a l i z a t i o n in Central E a s t e r n Brazil: a review A. Bernasconi Terraconsult AG, Steinwiesstrasse24...the major Archaean terranes of central eastern Brazil is given in the first section of this paper. Integration...Jequie and Goias mobile belts of central eastern Brazil. This mineralization associated with greenstone...important Archaean gold districts of Brazil, the Iron Quadrangle of Minas Gerais (Fig. 1), was discovered. Recently...the Archaean gold metallogeny of central eastern Brazil based on the presently known major raineralized |  | | Journal (article/letter/editorial) | | the QuadrilaÂtero FerrõÂ fero region, Minas Gerais state, Brazil, one of the major gold provinces in the...formations (e.g., the CuiabaÂ, SaÄo Bento and Raposos deposits) and the lapa seca unit, which is a local...intensely carbonatized rock (e.g., the giant Morro Velho mine with >450 t of contained gold). Metabasalts host...Federal de Minas Gerais, Av. AntoÃnio Carlos 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270-901...31270-901, Brazil E-mail: lobato@igc.ufmg.br Fax: +55-31-4995410 L.C. Ribeiro-Rodrigues FAPEMIG Bursary Recipient |  | 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...Banded iron formations (e.g., Cuiabá, São Bento, Raposos, Faria, Brumal, Roça Grande), (3), Quartz veins |  | | Journal (article/letter/editorial) | | Velhas Greenstone Belt, Quadrilátero Ferrífero, Brazil: Influence of Proterozoic Orogenies on Its Western...30310-310, MG, Brazil Instituto de Geociências, Universidade Federal de Minas Gerais, Av. Antônio Carlos...Campus Pampulha, Belo Horizonte 31270-910, MG, Brazil Correspondence: orivaldo.baltazar@hotmail.com (O...the Brasiliano São Francisco craton, Minas Gerais state, Brazil. It is composed of (i) Archean TTG granite-gneaissic...western domain where the Cuiabá, Morro Velho, Raposos, Lamego and Faria deposits are located. Gold orebodies |  | | Journal (article/letter/editorial) | | Abstract Brazil has been a major but intermittent producer of gold since its discovery in 1500. Brazil led...hosted in Archean rocks produced 66% of the gold in Brazil, whereas deposits in Paleoproterozoic and Neoproterozoic...MinisteÂrio de Minas e Energia, Secretaria de Minas e Metalurgia, BrasõÂ lia, Brazil E.A. Ladeira Rua...Muzambino 355/404, Belo Horizonte, Minas Gerais 30310-280, Brazil Deposits in metamorphosed sedimentary...importance. The Archean and Paleoproterozoic terranes of Brazil largely lack base-metal-rich volcanogenic massive |  | 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 |  | | Report (volume) | | workshop held December 1-10,1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao...Quintas, Mineragao Morro Velho Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. Sergio C. Guedes...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors:...Data Gold deposits related to greenstone belts in Brazil Deposit modeling workshop; Part A Excursions /...deposits related to greenstone belts in Brazil, Belo Horizonte, Brazil, 1986, by Charles H. Thorman and Eduardo |  | Morales, Milton J., Figueiredo e Silva, Rosaline C., Lobato, Lydia M., Gomes, Sylvio D., Gomes, Caio C.C.O., Banks, David A. (2016) Metal source and fluid–rock interaction in the Archean BIF-hosted Lamego gold mineralization: Microthermometric and LA-ICP-MS analyses of fluid inclusions in quartz veins, Rio das Velhas greenstone belt, Brazil. Ore Geology Reviews, 72. 510-531 doi:10.1016/j.oregeorev.2015.08.009 | Journal (article/letter/editorial) | | in quartz veins, Rio das Velhas greenstone belt, Brazil Milton J. Morales a,⁎, Rosaline C. Figueiredo e...David A. Banks c a b c Universidade Federal de Minas Gerais, CPMTC-Instituto de Geociências, Av. Presidente...Belo Horizonte, MG, Brazil AngloGold Ashanti Córrego do Sítio Mineração S/A, Lamego Mine, Rua Mestre Caetano...Caetano, Sabará, MG, Brazil School of Earth and Environment, University of Leeds, Woodhouse Lane, Leeds...Velhas greenstone belt, Quadrilátero Ferrífero, Brazil. Mineralization is associated mainly with metachert–banded |  | Lobato, Lydia Maria, Ribeiro-Rodrigues, Luiz Cláudio, Zucchetti, Márcia, Noce, Carlos Maurício, Baltazar, Orivaldo Ferreira, da Silva, Luiz Carlos, Pinto, Claiton Piva (2001) Brazil's premier gold province. Part I: The tectonic, magmatic, and structural setting of the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero. Mineralium Deposita, 36 (3) 228-248 doi:10.1007/s001260100179 | Journal (article/letter/editorial) | | signi®cant Archean greenstone-belt successions in Brazil, in both their appreciable mineral productivity...fero (Iron Quadrangle) region, Minas Gerais state, southeastern Brazil, which occupies the southernmost...Federal de Minas Gerais, Av. AntoÃnio Carlos 6627, Pampulha, Belo Horizonte, Minas Gerais 31270-901,... Brazil E-mail: lobato@dedalus.lcc.ufmg.br Fax: +55-31-4995410 L.C. Ribeiro-Rodrigues FAPEMIG Bursary...Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro, Ouro Preto, Minas Gerais 35400-000 |  | | Journal (article/letter/editorial) | | Velhas greenstone belt, Quadrilátero Ferrífero, Brazil: A review of the setting of gold deposits O.F....Survey of Brazil, Av. Brasil 1731, Funcionários, Belo Horizonte, Minas Gerais, 30140-002, Brazil Received...central-southern part of the State of Minas Gerais, SE Brazil. The metavolcano–sedimentary rocks of the...the SE region of Brazil and the central-southern region of the State of Minas Gerais (Fig. 1). The Quadrilátero...deposits. From 1992 to 1996, the Geological Survey of Brazil (CPRM) carried out geological mapping of the greenstone |  | de Souza Martins, Breno, Lobato, Lydia Maria, Rosière, Carlos Alberto, Hagemann, Steffen G., Santos, João Orestes Schneider, Villanova, Fernando Lucas dos Santos Peixoto, Figueiredo e Silva, Rosaline Cristina, de Ávila Lemos, Lucas Henrique (2016) The Archean BIF-hosted Lamego gold deposit, Rio das Velhas greenstone belt, Quadrilátero Ferrífero: Evidence for Cambrian structural modification of an Archean orogenic gold deposit. Ore Geology Reviews, 72. 963-988 doi:10.1016/j.oregeorev.2015.08.025 | Journal (article/letter/editorial) | | de Minas Gerais, Avenida Antônio Carlos, n.° 6627, Bairro Pampulha, Belo Horizonte, Minas Gerais, CEP...CEP 31270-901, Brazil School of Earth and Environment, The University of Western Australia, 35, Stirling...Sítio Mineração S/A, Mina do Lamego, Sabará, Minas Gerais, Brazil a r t i c l e i n f o Article history:...Cuiabá–Lamego trend, Quadrilátero Ferrífero region, Brazil. Both Archean orogenic gold deposits are situated...to be pre-peak (Archean) metamorphism. Nowadays, Brazil is classified as the 12th largest gold producer |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Bertolino, Luiz Carlos, Alves, Felipe Emerson André, de Almeida, Antônio Modesto, Montenegro da Silva, Pedro Henrique, Mabub, Ricardo Oliveira de Araújo, Manduca, Luedson Guimarães, Araújo, Ivan Mendes Caixeta de Pamplona (2018) Multistage mineralization at the hypozonal São Sebastião gold deposit, Pitangui greenstone belt, Minas Gerais, Brazil. Ore Geology Reviews, 102. 618-638 doi:10.1016/j.oregeorev.2018.09.028 | Journal (article/letter/editorial) | | Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares, Atlas Vasconcelos...Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil, Ore Geology Reviews (2018), doi: https://doi...Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares1, Atlas Vasconcelos...Geociências, Universidade Federal do Rio de Janeiro, Brazil. 2 – Departamento de Geologia, Instituto de Geociências...Janeiro, Brazil. 3- Centro de Tecnologia Mineral (CETEM), Rio de Janeiro, Brazil 4 – IAMGOLD, Brazil 5- Centro |  | | Journal (article/letter/editorial) | | Velhas greenstone belt, Quadrilátero Ferrífero, Brazil: vein classification and struc‐ tural control André...Velhas greenstone belt, Quadrilátero Ferrífero, Brazil: vein classification and structural control, Ore...Velhas greenstone belt, Quadrilátero 3 Ferrífero, Brazil: vein classification and structural control 4...Geociências, Universidade Federal de Minas Gerais, Belo Horizonte, Brazil. 8 Abstract 9 The Cuiabá deposit...southeastern part of the 10 Minas Gerais state, is the largest underground mine in Brazil (5.78 Moz resources |  | | Report (issue) | | the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for International...Ferrifero, Minas Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Departmento Nacional da Produqao...Produqao Mineral of Brazil under the auspices of the Agency for International Development of the United...Ferrifero, Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological |  | | Journal (article/letter/editorial) | | evolution of the Quadrilfitero Ferrifero, Minas Gerais, Brazil Farid Chemale Jr.a, Carlos A. RosiCreb and...Sa’oLeopoldo, RS, Brazil bCentro de Pesquisas M. T. da Costa/IGC, UniversidadeFederal de Minas Gerais. Pampulha...Pampulha, 31270-000 Belo Horizonte, MC, Brazil ‘Departamento de Geologia, UniversidadeFederal de Ouro Preto...Preto. Morro do Cruzeiro, 35400-000 Ouro Preto, MG, Brazil Received February 3, 1992; revised version accepted...regional synclines in the overlying Rio das Velbas and Minas supergroups strata. Such regional synclines are |  | | Journal (article/letter/editorial) | | Tourmaline-Bearing Gold Deposit' Passagemde Mariana (Brazil) ROlAnD FnE•SCI•I• A•D P• Abstract A facies...the "Quadril/ttero Ferrlfero," State of Minas Gerais, Brazil. Exploited sincethe end of the seventeenth...Stratigraphy Fleischer(1971) is shownin Table 1. The mine of Passagemde Mariana is situated7 The baseof the...Rocksin the Quadrilfitero Ferrlfero(MinasGerais,Brazil) Accordingto Dorr (1969)and SlightlyModifiedby...J. V. N. et al. (1969) Fm Lithology Itacolomi Minas Orthoquartzite, protoquartzite, conglomerate, grit |  | | Journal (article/letter/editorial) | | Cuiabá Gold deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil Luiz Cláudio Ribeiro-Rodrigues a,⁎, Claudinei...Caratinga, BR-116, km 526, Caratinga-MG, 35 300-970, Brazil b Instituto de Geociências, Universidade de Brasília...Brasília, Campus Asa Norte, Brasília-DF, 31270-901, Brazil c Institute of Mineralogy and Economic Geology...northern part of the Quadrilátero Ferrífero, Minas Gerais State, Brazil. The region constitutes an Archean granite–greenstone...by the Proterozoic supracrustal sequences of the Minas (<2.6–2.1 Ga) and Espinhaço (1.7 Ga) supergroups |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Zeh, Armin, Cabral, Alexandre Raphael, Pereira, Larissa Fernandes, Prado, Milton Guimarães Bueno do, Almeida, Antônio Modesto de, Manduca, Luedson Guimarães, Silva, Pedro Henrique Montenegro da, Mabub, Ricardo Oliveira de Araújo, Schlichta, Thiago Mazutti (2017) Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: Stratigraphy, geochronology and BIF geochemistry. Precambrian Research, 291. 17-41 doi:10.1016/j.precamres.2017.01.008 | Journal (article/letter/editorial) | | Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: stratigraphy, geochronology and BIF geochemistry...Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: stratigraphy, geochronology and BIF geochemistry... Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: stratigraphy, geochronology and BIF geochemistry...Geociências, Universidade Federal do Rio de Janeiro, Brazil. 2 – Departamento de Geologia, Instituto de Geociências...Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil. 3 - KIT- Karlsruhe Institute of Technology, Institute |  | | 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 |  | 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) | | Tourmaline in the Passagem de Mariana gold deposit (Brazil) revisited: major-element, trace-element and B-isotope...geological arguments, we favor a source in the Minas Supergroup metasedimentary units hosting the deposit...Keywords Gold deposits . Quadrilátero Ferrífero . Minas Gerais . Boron isotopes . Trace elements Introduction...Geociências, Universidade de São Paulo, São Paulo, Brazil 3 Instituto de Geociências, Universidade Estadual...Campinas, São Paulo, Brazil 4 Serviço Geológico do Brasil (CPRM), Belo Horizonte, MG, Brazil tourmaline (Fig |  | Ribeiro, Yuri, Figueiredo e Silva, Rosaline C., Lobato, Lydia M., Lima, Luiz Claudio, Rios, Francisco J., Hagemann, Steffen G., Cliff, John (2015) Fluid inclusion and sulfur and oxygen isotope studies on quartz-carbonate-sulfide veins of the Carvoaria Velha deposit, Córrego do Sítio gold lineament, Quadrilátero Ferrífero, Minas Gerais, Brazil. Ore Geology Reviews, 67. 11-33 doi:10.1016/j.oregeorev.2014.10.032 | Journal (article/letter/editorial) | | gold lineament, Quadrilátero Ferrífero, Minas Gerais, Brazil Yuri Ribeiro a, Rosaline C. Figueiredo e...Hagemann d, John Cliff d a Universidade Federal de Minas Gerais, CPMTC-Instituto de Geociências, Av. Presidente...– MG, Brazil Aurizona Mineração: Avenida dos Holandeses, Ponta do Farol, São Luís – MA, Brazil c Centro...rocks exhibit alteration to quartz, carbonate and sericite, besides sulfides and sulfosalts. The main gold...banded-iron-formation-hosted (BIF) gold producer São Bento mine (Pereira et al., 2007; Fig. 1), the region near |  | | Book (edition) | | 283 12 HYPOTHERMAL DEPOSITS 293 Morro Velho, Brazil 297 Broken Hill, New South Wales, Australia 221...MESOTHERMAL DEPOSITS 317 Coeur d’Alene, Idaho 319 Magma Mine, Arizona 325 Chuquicamata, Chile 333 14 EPITHERMAL...Nickel Deposits of New Caledonia Morro da Mina, Brazil 470 Bauxite Deposits of Jamaica 472 466 19 SUPERGENE...Besides, what we are pleased to call the riches of a mine, are riches relatively to a distinction which nature...it apart genetically from the worthless pyrite, sericite. 2 Introduction calcite, or other gangue and |  | | Journal (article/letter/editorial) | | in the BIF-hosted orogenic Cuiabá gold deposit, Brazil: implications for the hydrothermal fluid evolution...in the BIF-hosted orogenic Cuiabá gold deposit, Brazil: implications for the hydrothermal fluid evolution...in the BIF-hosted orogenic Cuiabá gold deposit, Brazil: implications for the hydrothermal fluid evolution...Geosciences, Federal University of Minas Gerais, Belo Horizonte, Brazil Centre for Exploration Targeting...orogenic Au deposit, Quadrilátero Ferrífero district, Brazil, were conducted to track distinct trace element |
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