 | | 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) | | 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...metamorphosed pelitic rocksto the greenschistand almandine-amphibole facies,accompanied by the formationof...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 |  | 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...that juxtaposes the itabirite (Lower Proterozoic Minas Supergroup) over other units. This shear zone/thrust |  | Cabral, A. R., Lehmann, B., Kwitko, R., Jones, R. D. (2002) Palladian gold and palladium arsenide–antimonide minerals from Gongo Soco iron ore mine, Quadrilátero Ferrífero, Minas Gerais, Brazil. Applied Earth Science, 111 (1) 74-80 doi:10.1179/aes.2002.111.1.74 | Journal (article/letter/editorial) | | Soco iron ore mine, Quadrilátero Ferrífero, Minas Gerais, Brazil Downloaded by [RMIT University Library]...deposit was one of the most famous gold mines in Brazil in the nineteenth century. The iron ore mining...ore deposits of the Quadrilátero Ferrífero of Minas Gerais. The soft hematite orebody comprises 66 000...not only the first major underground gold mine in Brazil but also the most famous of the so-called jacutinga...is hosted by the Itabira Iron Formation of Harder and Chamberlin,18 i.e. the Itabira Group of Dorr,11 |  | | Journal (article/letter/editorial) | | platinum from ouro preto-bearing mineralisation in Brazil Alexandre Raphael Cabral a,b,⁎, Bernd Lehmann a...that triggered two major gold rushes in Brazil (Minas Gerais and Serra Pelada). The auriferous mineralisations...mineralisations of Gongo Soco and Itabira, Minas Gerais, and Serra Pelada, Pará, have Pd–O-bearing, dark-coloured...ideally Pd17Se15, and sudovikovite, PtSe2, at Itabira; and, exclusively to Serra Pelada, empirical Pd9PtSe2...Ouro preto; Gongo Soco; Itabira; Serra Pelada; Brazil 1. Introduction Brazil had two major gold rushes |  | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) Hg–Tl-bearing manganese oxide from Conta História manganese deposit, Quadrilátero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | | Ferrifero, Minas Gerais, Brazil occur in the Palaeoproterozoic Itabira Iron Formation (Itabira Group)....Ferrífero, the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits Table...deposit comprises rocks of the Palaeoproterozoic Itabira Iron Formation metamorphosed 2 3 4 5 6 7...amphibolite-facies conditions. The Itabira Iron Formation,25 or the Itabira Group,20 consists predominantly...age of 2400 m.y.,2 the Itabira Iron Formation is the middle unit of the Minas Supergroup, which includes |  | 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) | | within the Palaeoproterozoic Itabira Iron Formation, Minas Gerais, Brazil A. R. CABRAL1,*, B. LEHMANN2...Germany 3 Companhia Vale do Rio Doce, Itabira MG, 35900-900, Brazil 4 Companhia Vale do Rio Doce, Fazenda...Fazenda Gongo Soco, Barão de Cocais MG, 35970-000, Brazil 2 ABSTR ACT Hematite is a mineral the chemical...deposits, Cauê (Itabira district) and Gongo Soco, in the Palaeoproterozoic Itabira Iron Formation, Quadrilátero...Quadrilátero Ferrı́fero of Minas Gerais, Brazil, has revealed distinct variations in chemical composition |  | | 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...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...Cercadinho •Itabira Gandarela Cau• Caraca Batatal Tamanduf• Unnamed Cambotas Minas Group Fleischer |  | | Report (issue) | | Monlevade and Rio Piracicaba Quadrangles, Minas Gerais Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-E...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Quadrangles, Minas Gerais Brazil By ROBERT G. REEVES GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...____________ Itabirite. - _______________________ Minas Series_-_--_____--_______--___-__-_ Caraga Grou |  | Lüders, Volker, Romer, Rolf L., Cabral, Alexandre R., Schmidt, Christian, Banks, David A., Schneider, Jens (2005) Genesis of itabirite-hosted Au–Pd–Pt-bearing hematite-(quartz) veins, Quadrilátero Ferrífero, Minas Gerais, Brazil: constraints from fluid inclusion infrared microthermometry, bulk crush-leach analysis and U–Pb systematics. Mineralium Deposita, 40 (3) 289-306 doi:10.1007/s00126-005-0024-8 | Journal (article/letter/editorial) | | hematite-(quartz) veins, Quadrilátero Ferrı́fero, Minas Gerais, Brazil: constraints from fluid inclusion infrared...formation (itabirite) of the Paleoproterozoic Itabira Group. The sample suite comprises hematite from...microscopy Æ U–Pb Æ Jacutinga veins Æ Au–Pd–Pt Æ Minas Gerais Introduction Present address: A. R. Cabral...occurrences of economic importance seem to be known from Brazil 290 only. During the Brazilian Gold Cycle (1695–1785)...from the area around the city of Ouro Preto (Minas Gerais) presumably came from palladian gold mineralization |  | | Journal (article/letter/editorial) | | NOW:•R•:R, 1964 SUPERGENE IRON ORES OF MINAS JOHN VAN 7 GERAIS, BRAZIL • N. DORR II CONTENTS PAGE Abstract.............. ABSTRACT The iron ores of Minas Gerais, Brazil, fall into two categories: (1) hypogenehematite...out for about 540 linear kilometersin central Minas Gerais. Supergene ores fall into three intergradational... SUPERGENE IRON ORES OF BRAZIL 1205 In 1962, about 3 nilIlion tons were consumed in Brazil and more than 7...also found in the Quadrilfi, tero Ferrlfero of Minas Gerais. Currently only high-gradeore, presentin suchabundancethat |  | | Journal (article/letter/editorial) | | Doce, BR 381/km 450, 33040-900 Santa Luzia-MG, Brazil Mina do Gongo Soco, Companhia Vale do Rio Doce...Caixa Postal 22, 35970-000 Barão de Cocais-MG, Brazil b d Received 9 September 2005; accepted 6 March...deposit in the Quadrilátero Ferrífero of Minas Gerais, Brazil, have inclusions of palladium arseno-antimonides...preto; Gongo Soco; Quadrilátero Ferrífero; Minas Gerais; Brazil 1. Introduction Among face-centred cubic...Castelo Branco 180-A, 35060-000 Santa Bárbara-MG, Brazil. 0169-1368/$ - see front matter © 2007 Elsevier |  | | Journal (article/letter/editorial) | | metaexhalite in the Quadrilátero Ferrífero of Minas Gerais, Brazil A. R. Cabral For the first time, petrographic...itabirite in the Quadrilátero Ferrífero of Minas Gerais, Brazil. This mineral assemblage gives evidence...Coelho Neto 32/apt 704, 22231-110 Rio de Janeiro–RJ, Brazil. ©2003 IoM Communications Ltd. Published by Maney...itabirite, Minas Gerais, Brazil 1 Introduction The Palaeoproterozoic Itabira Iron Formation, or Itabira Group...haematite deposits of the Quadrilátero Ferrífero of Minas Gerais, and subordinate deposits of manganese oxide |  | | Journal (article/letter/editorial) | | lode of Passagem, Quadrilátero Ferrífero of Minas Gerais, Brazil Alexandre Raphael Cabral & Nikola Koglin...and coexisting minerals precipitated. In Minas Gerais, Brazil, the occurrence of gold mineralisation in...example of carvoeira-style mineralisation in Minas Gerais is the Passagem de Mariana gold deposit, near...south-eastern part of the Quadrilátero Ferrífero of Minas Gerais. A location map with geological background can...Caraça and Itabira groups, respectively the basal and middle zones of the Palaeoproterozoic Minas Supergroup |  | Scholz, R., Chukanov, N. V., Filho, L. A. D. M., Atencio, D., Lagoeiro, L., Belotti, F. M., Chaves, M. L. S. C., Romano, A. W., Brandão, P. R., Belakovskiy, D. I., Pekov, I. (2014) Césarferreiraite, Fe2+Fe3+2(AsO4)2(OH)2·8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral group. American Mineralogist, 99 (4) 607-611 doi:10.2138/am.2014.4695 | Journal (article/letter/editorial) | | (AsO4)2(OH)2⋅8H2O, from Eduardo mine, Conselheiro Pena, Minas Gerais, Brazil: Second arsenate in the laueite mineral...Dmitriy I. Belakovskiy7 and Igor Pekov8 Escola de Minas, Departamento de Geologia, Universidade Federal...Morro do Cruzeiro, 35400-000, Ouro Preto, Minas Gerais, Brazil 2 Institute of Problems of Chemical Physics...Federal de Minas Gerais, Av. Antônio Carlos, 6627, 31270-901, Belo Horizonte, Minas Gerais, Brazil 4 Instituto...Paulo, SP, Brazil 5 Universidade Federal de Itajubá (UNIFEI), Campus Itabira, Itabira, Minas Gerais, Brazil |  | | Book | | 1982 Jules Roger Sauer ” Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds...written in English, and beautifully illustrated. “Brazil, Paradise of Gemstones’, by Jules Roger Sauer,...Century. The book is a showcase ofthe best from Brazil and it makes a handsome evocation of what is beautiful |  | | Journal (article/letter/editorial) | | carbonatefaciesis found in a eugeosynclinalsuite in Minas Gerais, Brazil, and is of the Algoma type. The depositsrange...surficial rock known as canga, depositsof Minas Gerais,Brazil, the presenceof which is very resistantto...Althoughsuchrocks are known in the paragneisses of Brazil, no good term has been developedto describethem...factoryterm #neissicitabiritein their fieldwork in Brazil. The nomenclature of iron-formation at the highergradesof...must be considered to beunsatisfactory. Brazil Minas Gerais Perhapsthe mostwidelyknowniron-formations |  | | Journal (article/letter/editorial) | | Pico Iron Mines, Quadrilátero Ferrı́fero, Minas Gerais, Brazil Received: 30 July 2002 / Accepted: 15 May...of the Minas Supergroup located in the Quadrilátero Ferrı́fero district, Minas Gerais, Brazil. The Águas...Reunidas-MBR, Av. de Ligação 3580, 34000-000 Nova Lima, Brazil E-mail: cbs@mbr.com.br Tel.: +55-31-32893825 Fax:...São Paulo, Rua do Lago 562, 05508-900 São Paulo, Brazil C. A. Rosière Instituto de Geociências, Campus...Pampulha, Universidade Federal de Minas Gerais, 31270-901 Belo Horizonte, Brazil Introduction The Quadrilátero |  | | 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 |  | | Journal (article/letter/editorial) | | from Brazil in 1785. Dana (1892) gives the locality as the mining district of Villa Rica in Minas Gerais...gold”), Figure 2. Euclase, 2.4 cm tall, Ouro Preto, Brazil. Luiz Menezes specimen, Jeff Scovil photo. 544 ...Jeff Scovil photo. which was the capital of Minas Gerais from 1720 to 1897. Today, Ouro Preto is a city...single crystals. Granitic pegmatite localities in Minas Gerais mentioned by Cornejo and Bartorelli (2010) and...Conselheiro Pena, Fazenda Cachoeira in Santa Maria de Itabira, Sabinopolis, and Santana do Encoberto in Sao Sebastião |  | | Journal (article/letter/editorial) | | RuaMaranh8o1484, CEP30150,BeloHorizonte,MinasGerais,Brazil Abstract A definitiveinterpretationof the genesisof...depositionalenvironmentof the MinasSupergroupin Brazil, with the resultsthat the sameenvironmentcouldexplainthe...occurrenceof the MinasSupergroupin the Stateof Minas Gerais,usuallyknownasQuadril•ttero Ferrffero(Fig. 1)...the project,oneof the mostimportant contributions Brazil has received from the earth sciencesector.For...geologyand with the rapid development of this science in Brazil. The event is remem- beredbecauseoneof its mainproductswasthe |  | | Journal (article/letter/editorial) | | orthoclase perthite, plagioclase, biotite, pyroxene, almandine, 8o7 Katpal, Dhenkanal District, Orissa, chromite... Sonora, cesbronite, 744; quetzalcoatlite, 26i Brazil Igarapd Jornal, Serra do Navio, Amapd, nigerite... cassiterite, tourmaline, gahnite, 837 Itabira, Minas" Gerais, arsenopalladinite, atheneite, isomertieite...palladinite (mercurian), Pd selenide, 528 Itinga, Minas Gerais, eosphorite, 895 Raposa pegmatite, S~o Josd |  | | Report (issue) | | Igneous Rocks of the Quadrilatero Ferrifero, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-B...the Departmento Nacional da Producao Mineral of Brazil under the auspices oj the Agency for International...Ferrifero, Minas Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRlFERO, MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-B Prepared in cooperation with the Departmento...Departmento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International Development |  | | Report (issue) | | Resources of the Pico de Itabirito District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL Prepared...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...District Minas Gerais, Brazil By ROBERTS M. WALLACE GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-F Prepared in cooperation with the Departamento...Departamento Nacional da Producao Mineral of Brazil under the au-spices of the Agency for International Development |  | 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...and Mesoproterozoic metasedimentary units of the Minas Supergroup, the Itacolomi Group and the Espinhaço |
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Itabira, Minas Gerais, Brazil