 | | Journal (article/letter/editorial) | | interaction during the gold-lode formation of Passagem, Minas Gerais, Brazil Alexandre Raphael Cabral a,⁎, Armin...Xenotime U–Pb dating Gold-lode deposit Passagem de Mariana Minas Gerais a b s t r a c t Zircon and xenotime...hydrothermal pockets in the auriferous lode of Passagem de Mariana, a world-class gold deposit. Zircon grains...of the Batatal Formation, the host rock of the Passagem lode. © 2014 Elsevier B.V. All rights reserved...deposit of Passagem de Mariana, Quadrilátero Ferrífero (QF) of Minas Gerais, Brazil. Passagem represents |  | Cabral, Alexandre Raphael, Koglin, Nikola, Strauss, Harald, Brätz, Helene, Kwitko-Ribeiro, Rogerio (2013) Regional sulfate–hematite–sulfide zoning in the auriferous Mariana anticline, Quadrilátero Ferrífero of Minas Gerais, Brazil. Mineralium Deposita, 48 (7) 805-816 doi:10.1007/s00126-013-0481-4 | Journal (article/letter/editorial) | | in the auriferous Mariana anticline, Quadrilátero Ferrífero of Minas Gerais, Brazil Alexandre Raphael...of the Mariana anticline, in the south-eastern part of the Quadrilátero Ferrífero of Minas Gerais, Brazil...deposit, respectively), and arsenopyrite (Passagem de Mariana gold deposit), suggest a new interpretation...interpretation for the hydrothermal fluid overprint in the Mariana anticline. The Antônio Pereira barite has Δ33S...barite-δ34S values are between +19.6 and +20.8‰. The Passagem arsenopyrite and tourmaline have Co/Ni ratios |  | | Report (volume) | | 1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao WORKSHOP PARTICIPANTS...Quintas, Mineragao Morro Velho Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. Sergio C. Guedes...19. 20. 21. 22. Fernando L. Repetto Rafael Lima de Oliveira Eduardo Ladeira Diogenes Scipioni Vial ...Santos Lima Marcel Fonseca 36. Vitor Hugo Silveira de Castro 37. Carl R. Anhaeusser 38. Hernando Lozano...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors: |  | | Journal (article/letter/editorial) | | Gold-bismuth-telluride-sulphide assemblages at the Viceroy Mine, Harare-Bindura-Shamva greenstone belt, Zimbabwe...2008] ABSTR ACT Gold mineralization at the Viceroy Mine is hosted in extensional veins in steep shear zones...liquid/melt-collecting mechanism was probably active at Viceroy Mine, where the distinct Au-Bi-TeS assemblage either...Viceroy and Mazowe Mines, Zimbabwe, Passagem de Mariana Mine, Brazil. Introduction FOR a long time, tellurides...deposits. Well known examples are the classic mining district and type area of many telluride minerals, the |  | | Journal (article/letter/editorial) | | the auriferous lode of Passagem, Quadrilátero Ferrífero of Minas Gerais, Brazil Alexandre Raphael Cabral...Springer-Verlag 2011 Abstract The auriferous lode of Passagem de Mariana is characterised by abundant tourmaline,...and coexisting minerals precipitated. In Minas Gerais, Brazil, the occurrence of gold mineralisation in...carvoeira-style mineralisation in Minas Gerais is the Passagem de Mariana gold deposit, near Ouro Preto....Despite detailed investigation on the Passagem tourmaline (de Oliveira et al. 2002; Cavalcanti and Xavier |  | 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...Santa Luzia, MG, Brazil Instituto de Geociências da Universidade de São Paulo/Fundação de Amparo à Pesquisa...do Estado de São Paulo, Rua Major Solbiat, 226, Torrinha, SP, Brazil Fundação Educacional de Caratinga...BR-116, Km 526, Bairro das Graças, Caratinga, MG, Brazil b c Received 26 June 2003; accepted 2 January...Brumal, Boa Vista, Fernandes, Moita, Roça Grande, Bico de Pedra and Pari, as well as the world-class deposits |  | | Journal (article/letter/editorial) | | Abbreviations: A = Ashanti mine at Obuasi; P = Prestea mine; T = Tarkwa mine. Legend: 1 = Late Proterozoic-Paleozoic...tion exceeds 1500 metric tons, with the Ashanti mine, the largest producer, currently producing about...silicification.The quartz veins also contain ankerite, calcite, chlorite, sericite, actinolite, and tourmaline...et al., 1993; Hirdes and Nunoo, 1994). The Tarkwa Mine (Fig. 1) is, after the Witwatersrand, the largest...conglomerates. Economic gold concentrations in the Tarkwa mine occur in the West and Main Reef of the Banket Series |  | Oliveira, Lucilia Aparecida Ramos de, Rios, Francisco Javier, Rosière, Carlos Alberto, Wälle, 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 São Francisco Craton, Minas Gerais, Brazil. Ore Geology Reviews, 86. 130-153 doi:10.1016/j.oregeorev.2017.02.017 | Journal (article/letter/editorial) | | eastern São Francisco Craton, Minas Gerais, Brazil Lucilia Aparecida Ramos de Oliveira a,⇑, Francisco Javier...Instituto de Geociências (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...eastern border of the Quadrilátero Ferrífero mining district. Chemical and thermobarometric characteristics |  | | 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) | | No. 8 IRON DEPOSITS OF THE CONGONHAS DISTRICT, MINAS GERAIS, PHILIP W. BRAZIL2 GUILD. CONTENTS........................... 641 642 643 643 644 Minas series ...........................................itabirite and associated hematite ores of Minas GerMs, Brazil. The U.S. GeologicalSurvey, in co•Sperationwith...oxidefacies. It occursprincipallyin the middlegroupof the Minas series--aeugeos.ynclinal assemblage of quartzite...Bibliography at end of paper. IRON DEPOSITS OF MINAS GERAIS, BRAZIL. 641 tween theseores and the Lake Superior |  | 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...States Departamento de Geologia, IGC-CPMTC, Universidade Federal de Minas Gerais, Av. Antônio Carlos...6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil d CTGS Intl., Inc., 12464 W. 2nd Drive, Lakewood...deposit, Quadrilátero Ferrífero region, Minas Gerais, Brazil, is hosted by rocks at the base of the Archean |  | | Journal (article/letter/editorial) | | JULY-A UG UST O195 THE GEOLOGY OF CENTRAL MINAS GERAES, BRAZIL E. C. HARDER Washington, D.C. AND R. T...ores' of Minas Geraes may be classified as follows. SH. K. Scott, "The Iron Ores of Brazil," Jour. Iron...LXI, (1902), 248; O. A. Derby, "The Iron Ores of Brazil," Iron Ore Resources of the World, p. 313, Stockholm... Leith and E. C. Harder, "The Hematite Ores of Brazil and a Comparison with the Hematite Ores of Lake...Ores of Brazil," Econ. Geol., IX, (1914) ioi-iI; E. C. Harder, "The Iron Industry in Brazil," Bull. Am |  | 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 Corrêa...Antônio Modesto de Almeida, Pedro Henrique Montenegro da Silva, Ricardo Oliveira de Araújo Mabub, Luedson...Luedson Guimarães Manduca, Ivan Mendes Caixeta de Pamplona Araújo PII: DOI: Reference: S0169-1368(18)30041-6... Alves, A.M. de Almeida, P.H.M. da Silva, R.O. de Araújo Mabub, L.G. Manduca, I.M.C. de Pamplona Araújo...Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil, Ore Geology Reviews (2018), doi: https://doi |  | | Journal (article/letter/editorial) | | clasts of auriferous pyrite 1422 E drift, Pamour Mine, Timmins, Ontario. 354 R.W. HUTCHINSON Fig....(right) facies ironformation (exposure south of Mine Doyon pit, Cadillac, Quebec ). Fig. 3 (d). Single...ankeritic walls and quartz core ( 12th level, Dome Mine, South Porcupine, Ontario ). contain more sediment-hosted...minerals in dump samples from a small, abandoned gold mine. Nickel ores are also coregional with the gold and...5. Simplified regional geology of the Val d'Or district, Quebec, illustrating co-regionality of lode gold |  | | Report (issue) | | Mineral Resources of the Congonhas District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER...the Departamento N acional da Produfao Mineral of Brazil under the auspices of the International Cooperation...Mineral Resources of the Congonhas District Minas Gerais, Brazil By PHILIP W. GUILD GEOLOGICAL SURVEY...Departamento N acional da Produ~ao M,ineral of Brazil under the auspices of the International Cooperation...__________________ _ Iron region of central Minas Gerais _______________ _ Congonhas district_ ________________________ |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...Brasileira do Livro, SP, Brazil) Cornejo, Carlos .Minerals & precious stones of Brazil. Carlos Cornejo, Andrea...3. Minerals - Brazil 4. Minerals- Classification 5. Mineralogy 6. Mineralogy - Brazil - History 7. Precious...Precious stones - Brazil I. Bartorelli, Andrea. II. Title. 09-10025 Cover photograph: Crystal of brazilianite |  | | 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)...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 São Francisco...geological map of the Quadrilátero Ferrífero (Minas Gerais, Brazil) showing the Rio das Velhas and other correlated |  | | Book | | Jacques P. Cassedanne Universidade Federal do Rio de Janeiro For his valuable participation in research...Angeles American Museum ofNatural History - New York De Beers Consolidated Mines Naturhistorisches Museum...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 |  | | Journal (article/letter/editorial) | | U-Th Neal J. McNaughton1 and Birger Rasmussen2 John de Laeter Centre for Isotope Research, Curtin University...alteration zone of the Golden Mile Dolerite, Mt Charlotte mine, Western Australia. B: BSE close-up of Figure 3A...Mile Dolerite in the Mt Charlotte mine. Kalgoorlie mining district, Eastern Goldfields Province, Yilgarn...high-grade hematite iron ore deposit, Mt Tom Price mine. Brockman Iron Formation, Hamersley Group, Pilbara...surrounded by hematite. Banded iron formation, Mt Hale mine, Jack Hills greenstone belt, Yilgarn Craton, Western |  | | Journal (article/letter/editorial) | | Ferrífero, Minas Gerais, Brazil Luiz Cláudio Ribeiro-Rodrigues a,⁎, Claudinei Gouveia de Oliveira b ...c a Centro Universitário de Caratinga, Unidade III, Fazenda Experimental de Caratinga, BR-116, km 526...Caratinga-MG, 35 300-970, Brazil b Instituto de Geociências, Universidade de Brasília, Campus Asa Norte...Norte, Brasília-DF, 31270-901, Brazil c Institute of Mineralogy and Economic Geology, Aachen University...northern part of the Quadrilátero Ferrífero, Minas Gerais State, Brazil. The region constitutes an Archean granite–greenstone |  | | Journal (issue) | | ... 566 ST. BARBARA AND THE MINERS-A MEMOIR OF BRAZIL. By Margaret D. Be11s11san ......................articles make their appearance in print. th an de va m ti1 C( Tl ROCKS and Edited and Published...writer took advantage of collecting at the numerous mine dumps in the vicinity of Champion. It is hoped that...Michi1a11 The Beacon Mine, operated by the North Range Mining Company, is the only active mine in the Champion...numerous aumps and ruins in th e vicinity of the Beacon Mine, however, attest to the former activity in the area |  | | Report (issue) | | Norte Cty, CA Santa Helena, Antioquia, Colombia Goto Mine, Luzan, P.I. References Wells, F. G. et al 1946...chalcedony, abundant chlorite, some illite and calcite. Ore Controls Pillow basalts or mafic volcanic...in mafic volcanic Homestake, South Dakota Passagem, Brazil Kirkland Lake, Canada References Rye and...Alteration Disseminated open-space filling. Calcite-zeolite. Stratabound and veins Red coloration...Alaska (Bateman) Sierra de Perija References Maze, W. B., 1982 Champetier de Ribes and others, 1963 |  | | Journal (issue) | | . • • • • • • • • • • I 5.00 Rutilated Quarts, Brazil. 3 x 2 ½ x I . Polished curved face. Plus tax •.... . . . . . . . . . . . 2.00 Quarts w Phantom, Brazil. Fine green phantom in xi. 3 x 2 ¼ . . . . . ....yellow banded twin xis. about 1 ¼" with Quartz & Calcite. 3 x 2½ x 2 ½ . Very choice. • • • • • . 7.50 Asurite...Evelyn Waite ..................116 QUAR1Z CRYSTAL IN BRAZIL .....................................................................118 SEMIPRECIOUS STONES IN BRAZIL .............................................. |  | | Journal (article/letter/editorial) | | closure of the paleo-Tethyan ocean. The Xiahe-Hezuo district is located in the western portion of the WQO (Figure...the Xinpu-Lishishan anticline (Figure 1b). The district is divided into the western and eastern zones...map of of the the Xiahe-Hezuo Xiahe-Hezuo district district showing showing the the distribution distribution...grateful to Chenzhou Mining Limited for access to the mine and to Liangping Dong for geologic guidance. We...Serra do Itaberaba Group, central Ribeira Belt, SE Brazil. Chem. Geol. 2009, 264, 207–220. [CrossRef] Trumbull |  | | Journal (article/letter/editorial) | | sul da Serra de Jacobina, Bahia, Brasil. - Div. Geol. Min., Bol. 209, Rio de Janeiro 1964. DE MORAES, L...diamantlferos no norte do Estado de Minas Geraes. - - Serv. Fom. Prod. Min., Bol. 8, Rio de Janeiro 1934. - - : Geologia...Geologia Geral. - - Serv. Fore. Prod, Min., Bol. 19, Rio de ]aneiro 1987. PFLUG, Pt.: Zur Geologie der siidliehen...und ihrer pfiikambrischen Diamantvorkommen, Minas Gerais, Brasilien. - - Z. Dtseh. Geol. Ges., 115, Hannover...priikambrische Miogeosynklinale der Espinha~o-Kordillere, Minas Gerais, Brasilien. - - Geol. Rdsch., 56, Stuttgart |
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