| | Journal (article/letter/editorial) | 1964, pp. 775-798 GEOLOGY OF THE RAPOSOS GOLD MINE, MINAS GERAIS, BRAZ[I. GENE E. TOLBERT CONTENTS............................................... Pyrrhotite ...............................................797 775 776 GENE E. TOLBERT ABSTRACT The Raposos gold deposits are localized in Precambrian carbonate...sequence,which trends approximately east-west in the mine area, is intruded by diabase dikes that strike northeast...in the Raposos-Morro Velho region and contains 0.31 percent Cr20 a. Arsenopyrite, pyrrhotite, nilnor | | | 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 | | | 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 | | | 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) | 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, 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 | | Lemos, Mariana, Valente, Teresa, Reis, Paula Marinho, Fonseca, Rita, Delbem, Itamar, Ventura, Juliana, Magalhães, Marcus (2020) Mineralogical and Geochemical Characterization of Gold Mining Tailings and Their Potential to Generate Acid Mine Drainage (Minas Gerais, Brazil) Minerals, 11 (1) 39 doi:10.3390/min11010039 | Journal (article/letter/editorial) | Their Potential to Generate Acid Mine Drainage (Minas Gerais, Brazil) Mariana Lemos 1,2 , Teresa Valente...Their Potential to Generate Acid Mine Drainage (Minas Gerais, Brazil). Minerals 2021, 11, 39. https://doi...Technical, COO International, Nova Lima 34000-000, Brazil; jdventura@AngloGoldAshanti.com.br (J.V.); mfm...Center, Universidade Federal de Minas Gerais, Belo Horizonte 31270-013, Brazil; ssgerais@microscopia.ufmg...metallurgic plants located in Nova Lima, Minas Gerais, Brazil, and accumulated in the Cocoruto tailings | | 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 | | 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 | | 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...assemblage comprises (by volume), on average, 74% pyrrhotite, 17% arsenopyrite, 8% pyrite and 1% chalcopyrite | | | 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 | | | 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...vorableby the localminers,whoseexperienceshows Velho,Raposos, Cuiab/•,andS5oBento(Fig. 2) which that the depositsare...peiron-formations, cherts, the State of Minas Gerais, Brazil. anda singularquartz-ankeriterockknownasthe | | 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 | | | 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) | 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 | | | 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 | | | 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...19 °C associated with S1 foliation (D1), and pyrrhotite-pyrite-arsenopyrite ± chalcopyrite ± gold stage...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 | | | Journal (article/letter/editorial) | Rhodesia. The occurrenceof gold at the Vubachikwe gold mine has been studied together with samplesof mineralized...Pickstone, and Sherwood Starr mines. At the Vubachikwe mine the orebodies occur in several thin beds of banded...alternately rich in quartz (cherty), arsenopyrite,pyrrhotite, and ankerite. The gold is occludedwithin arsenopyritegrains...geologistsas many parts of the world such as Australia, Brazil, being very different in physical appearance from...Both he and Kleinot (1963), who later mappedthe mine in further detail,consideredthe gold to be of h | | 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 | | 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...types are arsenopyrite, pyrite, berthierite, and pyrrhotite. Microprobe analyses reveal the presence of metallic...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...also advocated by Joseph Brunner (1801), a Bavarian mine official. Scipione Breislak (1811) an Italian geologist | | 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 |
|