 | Teixeira, J. B. G., Kishida, A., Marimon, M. P. C., Xavier, R. P., McReath, I. (1990) The Fazenda Brasileiro gold deposit, Bahia; geology, hydrothermal alteration, and fluid inclusion studies. Economic Geology, 85 (5) 990-1009 doi:10.2113/gsecongeo.85.5.990 | Journal (article/letter/editorial) | | EconomicGeology Vol. 85, 1990, pp. 990-1009 The Fazenda BrasileiroGold Deposit, Bahia:Geology,Hydrothermal... 20 Rua Guadalajara, Barra, Salvador, Bahia Cep 40.160, Brazil R. P. XAVIER, Institutode Geocidncias...Cidade Universitdria,Campinas,SaoPauloCep 13.100, Brazil AND I. MCREATH Departamentode GeologiaGeral, Institutode... Cidade Universitdria,Cep 01498, Sc7o Paulo,SP,Brazil Abstract The high-gradegold mineralizationat ...npattern. Introduction Regional Geology THE Fazenda Brasileirogold deposit,discoveredin 1976 by Rio |  | Geraldes, M. C., De Abreu, G. C., Pires, P. R., Mello, E. F., Iyer, S. S. (2006) Sulfur Isotope Characteristics of Mesothermal Gold Deposits: Results of an Investigation of the Rio Itapicuru Region, Bahia, Brazil. International Geology Review, 48 (5) 410-419 doi:10.2747/0020-6814.48.5.410 | Journal (article/letter/editorial) | | Investigation of the Rio Itapicuru Region, Bahia, Brazil a b c d M. C. Geraldes , G. C. De Abreu...Investigation of the Rio Itapicuru Region, Bahia, Brazil, International Geology Review, 48:5, 410-419...Investigation of the Rio Itapicuru Region, Bahia, Brazil M. C. GERALDES, Tektos–Grupo de Pesquisa em...Xavier 524, Maracanã, 20550-013 Rio de Janeiro (RJ), Brazil G. C. DE ABREU, Instituto de Geociências, USP...Cidade Universitária, 05508-900 São Paulo (SP), Brazil Downloaded by [Nipissing University] at 15:15 |  | | Journal (article/letter/editorial) | | the Rio Itapicuru Greenstone Belt, Northeastern Brazil a Gllberto De Llma Pereira Silva & Roberto Perez...(UNICAMP) , P.O. Box 6152, Campinas SP, 13.081-970, Brazil Published online: 06 Jul 2010. To cite this article:...the Rio Itapicuru Greenstone Belt, Northeastern Brazil, International Geology Review, 39:8, 688-702, DOI:...Campinas P.O. Box 6152, 13.081-970 Campinas SP, Brazil (UNICAMP), Downloaded by [York University Libraries]...mineralization in the mesothermal Fazenda Maria Preta (FMP) and Fazenda Canto (FC) deposits of the Paleoproterozoic |  | 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) | | deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil D.S. Vial a,⁎, B.P. Duarte b , K. Fuzikawa c ,...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) | | Federal da Bahia, Campus Universitário de Ondina, Sala 201-C, Salvador, 40170-290, Bahia, Brazil b Geological...Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil Received...from Venezuela (Imataca Complex), and others from Brazil (Quadrilátero Ferrífero, Itabira, and Guanhães)...mentioning that the Serra dos Carajás Basin in northern Brazil is older. It contains the worlds' largest iron...metamorphosed Caraíba deposit, Curaçá Valley, Bahia, Brazil. This is an unusual, strongly deformed copper |  | Bourges, F., Debat, P., Tollon, F., Munoz, M., Ingles, J. (1998) The geology of the Taparko gold deposit, Birimian greenstone belt, Burkina Faso, West Africa. Mineralium Deposita, 33 (6) 591-605 doi:10.1007/s001260050175 | Journal (article/letter/editorial) | | metavolcanic or granitoid) (Poura Mine in Burkina Faso, Sabodala Mine in Senegal). From the relationships...western greenstone belts of Hounde and Boromo (Poura Mine) and in the northern greenstone belt of Bouroum-Yalogo...accompanied by small amounts of chalcopyrite, sphalerite, galena and pyrite. The pyrite deformation results in (Figs...similar to, but more complex, than those of the Sigma Mine (Robert et al. 1983; Sibson et al. 1988). The main...and minor amounts of chalcopyrite, sphalerite and galena. Stage 2 minerals are localized in quartz ®ber-®lled |  | | Journal (article/letter/editorial) | | inclusions related to gold mineralisation in the Ashanti mine at Obuasi, Ghana (Schwartz et al. 1992; Oberthür...samples from the Ashanti mine. Fluid inclusions in samples from the Prestea mine were investigated by Manu...Ashanti mine Pb/ Pb model ages between 2122 and 1940 Ma were determined on accessory galena from the...structural elements in the vicinity of the Ashanti mine. Bedding plots on a well defined circle, only interrupted...dipping bedding, S1 and shear planes in the Ashanti mine show a distinct grouping. The regional plunge of |  | | Journal (article/letter/editorial) | | at the site commencing in 1897. Production at the mine has changed in focus since 1986 Cumulative Production...be seen in a change in annual production at the mine from 23.11 t Au in 1999 to 19.93 t Au in 2000 and...the remaining resources and reserves within the mine (Anglo Gold Ashanti, 2004–2015). In terms of global...such as issues over cyanide gold extraction, acid mine drainage, and social issues that include resettlements...stretched from eastern Venezuela and northeastern Brazil to Mali and Nigeria (Neves, 2011; Fig. 10). The |  | Milesi, J.P, Ledru, P, Marcoux, E, Mougeot, R, Johan, V, Lerouge, C, Sabaté, P, Bailly, L, Respaut, J.P, Skipwith, P (2002) The Jacobina Paleoproterozoic gold-bearing conglomerates, Bahia, Brazil: a “hydrothermal shear-reservoir” model. Ore Geology Reviews, 19 (1) 95-136 doi:10.1016/s0169-1368(01)00038-5 | Journal (article/letter/editorial) | | Paleoproterozoic gold-bearing conglomerates, Bahia, Brazil: a ‘‘hydrothermal shear-reservoir’’ model J...Archean inheritance that is partly preserved in galena inclusions. New basin-scale structural and metallogenic...Jacobina basin in the São Francisco province of Bahia, Brazil are of special interest relative to this debate...located 370 km northwest of Salvador in Bahia State, Brazil. It is 200 km long by 15 –25 km wide, culminates...1993; Mascarenhas et al., 1998). The Canavieiras mine, between 1950 and 1966, produced 115 653 t of ore |  | Bogossian, Jessica, Hagemann, Steffen G., Rodrigues, Vinicius G., Lobato, Lydia Maria, Roberts, Malcolm (2020) Hydrothermal alteration and mineralization in the Faina greenstone belt: evidence from the Cascavel and Sertão orogenic gold deposits. Ore Geology Reviews, 119. 103293 doi:10.1016/j.oregeorev.2019.103293 | Journal (article/letter/editorial) | | Belo Horizonte, Minas Gerais, CEP 31270-901, Brazil 4 Centre for Microscopy, Characterisation and...The Faina greenstone belt is located in central Brazil and contains the Cascavel and Sertão gold deposits...comparable with other orogenic gold systems in Brazil and worldwide. Keywords: Faina greenstone belt...Sertão deposits, hydrothermal alteration, central Brazil 1. Introduction Archean and Paleoproterozoic greenstone...have been the focus of research for decades. In Brazil, gold mineralization in greenstone belts is mostly |  | Jost, Hardy, Chemale, Farid, Dussin, Ivo Antônio, Tassinari, Colombo Celso Gaeta, Martins, Rodrigo (2010) A U–Pb zircon Paleoproterozoic age for the metasedimentary host rocks and gold mineralization of the Crixás greenstone belt, Goiás, Central Brazil. Ore Geology Reviews, 37 (2) 127-139 doi:10.1016/j.oregeorev.2010.01.003 | Journal (article/letter/editorial) | | mineralization of the Crixás greenstone belt, Goiás, Central Brazil Hardy Jost a,⁎, Farid Chemale Jr. b, Ivo Antônio...Ribeiro, Brasília, 70910-900, Distrito Federal, Brazil Núcleo de Geologia, Universidade Federal de Sergipe...Jardim Rosa Elze, São Cristóvão, Sergipe, 49000-000, Brazil Instituto de Geociências, Universidade Federal...Vale, Caixa Postal 15001, Porto Alegre, 91501-970, Brazil d Instituto de Geociências, Universidade de São...562, Cidade Universitária, 05508-080, São Paulo, Brazil e Departamento de Exploração, Mineração Serra Grande |  | Ibrahim, W.S., Watanabe, K., Yonezu, K. (2016) Structural and litho-tectonic controls on Neoproterozoic base metal sulfide and gold mineralization in North Hamisana shear zone, South Eastern Desert, Egypt: The integrated field, structural, Landsat 7 ETM + and ASTER data approach. Ore Geology Reviews, 79. 62-77 doi:10.1016/j.oregeorev.2016.05.012 | Journal (article/letter/editorial) | | other hand, the late phase, dominated by pyrite-II, galena, sphalerite, chalcopyrite, and covellite (Fig....quartz; cpy, chalcopyrite; sph, sphalerite; ga, galena. a) Sharp contact between quartzites and biotite...indicating right-lateral shear sense. f) Sphalerite and galena intergrown and inclusions with pyrite (py-I). g)...microscopic studies, the pyrite, pyrrhotite, argentite, galena, sphalerite, chalcopyrite, and covellite are the...while the late phase, dominated by pyrite (Py-II), galena, sphalerite, chalcopyrite, covellite, and ± invisible |  | 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...deposits of the Ouro Preto area (Minas Gerais, Brazil) occur along the main tectonic contact responsible...deposits of the Ouro Preto area (Minas Gerais, Brazil) are currently interpreted as mesothermal greenstonehosted...FORMATION DURING COLLAPSE TECTONICS: OURO PRETO, BRAZIL BRAZIL an ce At lan t ic O São Francisco Craton..."Antõnio Pereira" Mine 2 "Morro Santana" Mine Gold mines concerned 3 "Mata Cavalo" Mine by this work 4 "Passagem |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...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...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (article/letter/editorial) | | sulphide mineral with minor chalcopyrite, chalcocite, galena and covellite. The chemistry of gold grains from...overlying the primary gold in the Fazenda Brasileiro gold deposit, Brazil (Vasconcelosand Kyle, 1989).Further |  | | Book | | projeto de síntese do conhecimento científico brasileiro sobre a nossa geologia, no qual o conteúdo é...olhar dos geólogos sobre o registro geológico brasileiro permitiu que voltassem no tempo e decifrassem...continentais estão nas partes brancas. O relevo brasileiro apresenta variação de elevações, mas em geral...ou vulcânica. Em cerca de metade do território brasileiro as 21 Figura 4. Na Chapada Diamantina, BA...estratigráficas de diferentes partes do território brasileiro. As colunas mostram, de maneira esquemática, |  | | Report (issue) | | Victori a Australia, Western Australia Bolivia Brazil Colombi a Canada, British Columbi a Canada Manitoba...Exhibition Lead Fairplav Fales Hill Mine Fall Creek Fa:enda Brasileiro Fifield Lead IPt placer) Folsoa Foots...Hydraulic Mine Lady Hacquarie Dredge Lake Creek Lake Creek Lake Creek Laib Creek Landstrut Drift Mine Last...also contain scheelite, cinnabar, arsenopyrite, galena, pyrite, tourmaline, and garnet; Au is flaky in...approximately 2.5 miles of creek were dredged; drift mine ground was valued at $17/sq ft (1976 prices, Au |  | | Book | | Manchester in 1973 (Ph.D.) and was then employed as a mine and exploration geologist by Falcon Mines Ltd in...palaeoplacer research, both in southern Africa and Brazil. He is best known for his publications on sedimentological...Market setting 13.3 Gold-mine production 13.3.1 World-wide trends 13.3.2 Brazil 13.3.3 United States 13...(USA), the Deccan (India), and the Parana Basin (Brazil), average 3.5 ppb gold with little variation in...Additional deposits include the Jacobina Series, Brazil, and the Tarkwa Goldfields, Ghana, with average |  | | Book | | processing, placer mining, heap leaching, small mine development, etc. This is the first major conference...Rock Mechanics, Chairman of the CACRM Committee on Mine Waste Embankments, Specialist Consultant to the...Mines for the development of the ‘“‘Design Guide for Mine Waste Embankments in Canada,” Specialist Technical...Potisat.......... 3 13 34 48 59 Gold Mining in Brazil: Past, Present and Future A.C. de Araujo, R.Z.L...Stability Analysis of the VCR Stope at the Homestake Mine W:G. Pariseau, F. Duan, C:S: SChAMUCK 3.2.72 ee |
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