 | 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) | | elsevier.com/locate/oregeorev The geology of the Morro Velho gold deposit in the Archean Rio das Velhas greenstone...greenstone belt, Quadrilátero Ferrífero, Brazil Diogenes Scipioni Vial a,⁎, Ed DeWitt b , Lydia Maria...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...Abstract The Morro Velho gold deposit, Quadrilátero Ferrífero region, Minas Gerais, Brazil, is hosted by |  | | Journal (article/letter/editorial) | | the QuadrilaÂtero FerrõÂ fero region, Minas Gerais state, Brazil, one of the major gold provinces in the...intensely carbonatized rock (e.g., the giant Morro Velho mine with >450 t of contained gold). Metabasalts...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...Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro, Ouro Preto, Minas Gerais, 35400-000 |  | 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...Pari, as well as the world-class deposits of Morro Velho and Cuiabá. All these deposits, whether large |  | | Journal (article/letter/editorial) | | pp. 775-798 GEOLOGY OF THE RAPOSOS GOLD MINE, MINAS GERAIS, BRAZ[I. GENE E. TOLBERT CONTENTS PAGE ............................................. Morro Velho zone ................................................................................... Arsenopyrite ..............................................sequence,which trends approximately east-west in the mine area, is intruded by diabase dikes that strike northeast...distributed in the Raposos-Morro Velho region and contains 0.31 percent Cr20 a. Arsenopyrite, pyrrhotite, nilnor |  | | Report (volume) | | workshop held December 1-10,1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao...photograph at Quintas, Mineragao Morro Velho Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. ...Kerswill 19. 20. 21. 22. Fernando L. Repetto Rafael Lima de Oliveira Eduardo Ladeira Diogenes Scipioni Vial...Sergio Maurus Ribas Paulo Roberto Amorim dos Santos Lima Marcel Fonseca 36. Vitor Hugo Silveira de Castro...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors: |  | | 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) | | 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 |  | Deschamps, Eleonora, Ciminelli, Virginia S. T., Lange, Frank Thomas, Matschullat, Jörg, Raue, Brigitte, Schmidt, Hanka (2002) Soil and sediment geochemistry of the iron quadrangle, Brazil the case of arsenic. Journal of Soils and Sediments, 2 (4) 216-222 doi:10.1007/bf02991043 | Journal (article/letter/editorial) | | and sediment geochemistry of the iron quadrangle, Brazil: The case of Arsenic Article in Journal of Soils...Ciminelli Universidade FUMEC Federal University of Minas Gerais 20 PUBLICATIONS 519 CITATIONS 129 PUBLICATIONS...Quadrangle, Brazil Research Articles Soil and Sediment Geochemistry of the Iron Quadrangle, Brazil The Case...Federal de Minas Gerais, Rua Espírito Santo 35/217, 30160-030 Belo Horizonte, M.G., Brazil Technologiezentrum...worldwide. Its wealth has shaped the modern state of Brazil and still provides a major part of the national |  | | Report (issue) | | and Ore Deposits of the Nova Lima and Rio Acima Quadrangles Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL...the Departamento N acional da Producao Mineral of Brazil under the auspices of the International Cooperation...and Ore Deposits of the Nova Lima and Rio Acima Quadrangles Minas Gerais, Brazil By JACOB E. GAIR GEOLOGY...GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation |  | | 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...synformal NW–SE-directed Nova Lima basin. The Archean deformation converted the Nova Lima basin into an ample |  | | 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 |  | 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...sulfide bands; mainly pyrite, As-rich pyrite, and arsenopyrite. Two structural generations, G1 and G2, are |  | 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 |  | | Journal (article/letter/editorial) | | Pseudomorphs of marcasite, chalcopyrite, pyrite, arsenopyrite, pyrargyrite, magnetite, and quartz after pyrrhotite...pyrrhotite crystal on quartz attributed to the Potosi mine, Santo Domingo, Santa Eulalia (now known as Aquiies...pyrrhotite crystal from the Morro Velho gold mine, Nova Lima, Minas Gerais, Brazil. The 10.1-cm specimen is...ore include the old bismuth mine at Monroe and the historic nickel mine at Litchfield, Connecticut; the...mines, Chester County, the Gap mine, Lancaster County, and the Ecton mine, Montgomery County, Pennsylvania; |  | 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 (issue) | | 50 to $ 1,000.00 HYDROBORACITE from the Thompson mine, Death Valley, Calif. Some spec imens w ith colemanite...Newman Minerals From the Lavra da llha Pegmatite, Brazil.................... 207 Jacques P. & Jeannine O...Richard S. Mitchell The Minerals of the Morro Velho Gold Mine, Brazil.......................................Good thumbnail of the simple SILVER. Glenn Lake Mine. San Diego Co., Calif. A group of octrahedron xl...doubly terminated xls with good RENARDITE. Ruggles Mine, Massive. Rare. 2 x 4cm $14.00 pink color. Slightly |  | | Journal (article/letter/editorial) | | the Turmalina deposit, Quadrilátero Ferrífero, Brazil: structural evolution and the two stages of mineralization...gold-bearing sulfide stages were identified: pyrrhotite-arsenopyrite ± löllingite ± chalcopyrite ± gold stage I precipitated...with S1 foliation (D1), and pyrrhotite-pyrite-arsenopyrite ± chalcopyrite ± gold stage II is located commonly...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 |  | 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 |  | Vial, D.S., Duarte, B.P., Fuzikawa, K., Vieira, M.B.H. (2007) An epigenetic origin for the Passagem de Mariana gold deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil. Ore Geology Reviews, 32 (3) 596-613 doi:10.1016/j.oregeorev.2005.03.017 | Journal (article/letter/editorial) | | Mariana gold deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil D.S. Vial a,⁎, B.P. Duarte b , K. Fuzikawa...Vale do Rio Doce, BR381, Km 459, Santa Luzia, MG, Brazil Faculdade de Geologia da Universidade do Estado...Francisco Xavier, 524, Maracanã, Rio de Janeiro, RJ, Brazil c CDTN-Centro de Desenvolvimento da Tecnologia...Horizonte, MG, Brazil d Companhia Vale do Rio Doce, BR262, Km 296, Santa Luzia, MG, Brazil b Received...from the end of the 17th Century until 1954. The mine has not operated since 1985. Orebodies are veins |  | | Journal (article/letter/editorial) | | Moeda Formation within the GandarelaSyncline,Minas Gerais,Brazil W. E. L. MINTER, Departmentof Geology,Universityof...F. E. RENGER, AND A. SIEGERS Minas Novas Ltda., Belo Horizonte, Brazil Abstract Gold-bearingplacerconglomerates...progressivelymore of the hitherto unofficiallyproMinas Gerais,Brazil (Fig. 1). This area, extending ducedgoldwasbought...re stillbeingminedat Morro vorableby the localminers,whoseexperienceshows Velho,Raposos, Cuiab/•,andS5oBento(Fig...1969) containstwo groups(Table 1). The oldest,the Nova Lima Group, 0 500Kin is a greenstonebelt composedofmaficandultramafic |  | | 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...least60 tonsof gold,whereasthe neighboring Morro Velho deposit totaledmorethan250 tonsof gold. Severalaspectsof...composedessentially of quartz, carbonates,tourmaline,arsenopyrite,and gold, occursin a bed which may attain a...Stratigraphy Fleischer(1971) is shownin Table 1. The mine of Passagemde Mariana is situated7 The baseof the |  | CHAUVET, A., PIANTONE, P., BARBANSON, L., NEHLIG, P., PEDROLETTI, I. (2001) Gold Deposit Formation during Collapse Tectonics:Structural, Mineralogical, Geochronological, and Fluid InclusionConstraints in the Ouro Preto Gold Mines, Quadril ateroFerrifero,Brazil. Economic Geology, 96 (1) 25-48 doi:10.2113/gsecongeo.96.1.25 | Journal (article/letter/editorial) | | Ouro Preto Gold Mines, Quadrilátero Ferrífero, Brazil A. CHAUVET,† Institut des Sciences de la Terre...The gold deposits of the Ouro Preto area (Minas Gerais, Brazil) occur along the main tectonic contact responsible...for the thrusting of the Paleoproterozoic units (Minas Supergroup) onto the gneissic and metasedimentary...The gold deposits of the Ouro Preto area (Minas Gerais, Brazil) are currently interpreted as mesothermal...west-northwest–verging thrust event that carried the Minas Supergroup over the Archean rocks (e.g., Marshak |  | 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...e Silva a, Lydia M. Lobato a, Luiz Claudio Lima b, Francisco J. Rios c, Steffen G. Hagemann d, John Cliff...Cliff d a Universidade Federal de Minas Gerais, CPMTC-Instituto de Geociências, Av. Presidente Antônio...– MG, Brazil Aurizona Mineração: Avenida dos Holandeses, Ponta do Farol, São Luís – MA, Brazil c Centro...most common ore minerals in all vein types are arsenopyrite, pyrite, berthierite, and pyrrhotite. Microprobe |  | | Journal (article/letter/editorial) | | ORIGIN OF THE ORES OF MINAS JOHN HIGH-GRADE GERAIS, VAN No. 1 BRAZIL HEMATITE • N. DORR, II...ABSTRACT The high-gradehematite depositsof Minas Gerais, Brazil, are those averagingmore than 66% Fe and...area of some7,000 squarekilometersin central Minas Gerais. Beginningin 1946, a group of Brazilian and...resourcesof this area; HIGH-GRADE HEMATITE ORES OF BRAZIL 3 theyhaveprepared topographic andgeologic mapsona...information concerningore analyses,exploration, reserves,mine maps, as well as the many other typesof aid so necessaryto |  | | 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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