 | da Silva, Maria da Glória, Silva Coelho, Carlos Eduardo, Teixeira, João Batista Guimarães, da Silva, Fernando César Alves, Silva, Roberto Albuquerque, de Souza, Jorge André Braz (2001) The Rio Itapicuru greenstone belt, Bahia, Brazil: geologic evolution and review of gold mineralization. Mineralium Deposita, 36 (3) 345-357 doi:10.1007/s001260100173 | Journal (article/letter/editorial) | | de Souza The Rio Itapicuru greenstone belt, Bahia, Brazil: geologic evolution and review of gold mineralization...contains the largest gold deposits of northeastern Brazil. In contrast, ¯uid±rock interaction with volca...Federal da Bahia. Campus UniversitaÂrio de Ondina, CEP 40210-340, Salvador, Bahia, Brazil E-mail: gloria@ufba...Federal da Bahia/CNPq. Campus UniversitaÂrio de Ondina, CEP 40210-340, Salvador, Bahia, Brazil F.C.A. da...Grande do Norte, Brazil R.A. Silva Companhia Vale do Rio Doce. Mina Fazenda Brasileiro, CEP 48770-000, |  | Mello, Edson F., Xavier, Roberto P., McNaughton, Neal J., Hagemann, Steffen G., Fletcher, Ian, Snee, Larry (2006) Age constraints on felsic intrusions, metamorphism and gold mineralisation in the Palaeoproterozoic Rio Itapicuru greenstone belt, NE Bahia State, Brazil. Mineralium Deposita, 40 (8) 849-866 doi:10.1007/s00126-005-0037-3 | Journal (article/letter/editorial) | | Palaeoproterozoic Rio Itapicuru greenstone belt, NE Bahia State, Brazil Received: 24 February 2004 / Accepted: 22...Universitária, Ilha do Fundão, Rio de Janeiro, 21949-900, Brazil e-mail: mello@geologia.ufrj.br Tel.: +55-021-25989464...Universidade Estadual de Campinas (Unicamp), Campinas, SP, Brazil N. J. McNaughton . S. G. Hagemann . I. Fletcher...on hydrothermal muscovite samples from the Fazenda Brasileiro gold deposit are interpreted as minimum ages...Itapicuru greenstone belt . São Francisco Craton . Brazil Introduction The Rio Itapicuru greenstone belt |  | | Journal (article/letter/editorial) | | Depositionin the ShearZoneHosted Fazenda Brasileiro Mine, Bahia State, Northeast Brazil MARIO CONRADO REINHARDT...RuaAlcoba•a1270,SdoFrancisco, 31.250BeloHorizonte,MinasGerais,Brazil AND IAN DAVISON Departmentof Geology,RoyalHollowayand...mappedduringitsdevelopment, providinganexcep- The Fazenda Brasileiro mine is located in the southernpart of the...easternmarginof the S5oFrancisco Craton in the stateof Bahia,northeastBrazil (Figs. 1 and 2). Sincethe first...km north of the marginal granodiorite dome of Barrocas (Fig. 2). providefreshlycutverticalsections perpendicular |  | 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) | | 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...lia, Brazil E.A. Ladeira Rua Muzambino 355/404, Belo Horizonte, Minas Gerais 30310-280, Brazil Deposits...importance. The Archean and Paleoproterozoic terranes of Brazil largely lack base-metal-rich volcanogenic massive...in the CarajaÂs Mineral Province. Introduction Brazil has been an important producer of gold for centuries |  | | 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 |  | | Journal (article/letter/editorial) | | in the Fazenda Maria Preta žFMP / gold deposit, Rio Itapicuru Greenstone Belt, Bahia, Brazil Roberto...Southampton, Southampton SO9 5NH, UK Abstract The Fazenda Maria Preta ŽFMP. gold deposit is confined to two...lower Proterozic Rio Itapicuru greenstone belt, NE Brazil. Alteration is pervasive throughout the shear zones...veins or closely related to arsenopyrite, pyrite, pyrrhotite, sphalerite, and Fe-chlorite in the carbonaceous...´ Estadual de Campinas, 13.083-970—Campinas-SP, Brazil. Fax: q55-19-239-1562; E-mail: xavier@ige.unicamp |  | | Journal (article/letter/editorial) | | stockworks, and (or) quartz veins, contain, ing pyrrhotite-pyrite + sphalerite and native gold; the same...sulphide paragenesis of pyrrhotite-pyrite-gold; the coexistence of pyrrhotite-pentlandite at Ovala reflects...quartz + mica dolomite - tourmaline - allanite and pyrrhotite - pyrite molybdenite - Bi telluride native gold...tourmaline stockwork and tourmaline stockwork, with pyrrhotite-pentlandite - pyrite - chalcopyrite - sphalerite...in the country rock OVALA - dissemination of pyrrhotite - pyrite and native gold in quartzo-plagioclasic |  | | 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 |  | 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...euhedral and subhedral grains that contain small pyrrhotite inclusions and are associated with chalcopyrite...similar to, but more complex, than those of the Sigma Mine (Robert et al. 1983; Sibson et al. 1988). The main...mesothermal gold deposits, such as the Elandshoogte Mine in the Sabie-Pilgrim's Rest gold®eld in South Africa |  | 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 |  | | 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...et al. 1994). For the mineralisation at Ashanti mine Pb/ Pb model ages between 2122 and 1940 Ma were...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 |  | Graupner, Torsten, Kempe, Ulf, Klemd, Reiner, Schüssler, Ullrich, Spooner, Edward T. C., Götze, Jens, Wolf, Dieter (2005) Two stage model for the Muruntau (Uzbekistan) high grade ore structures based on characteristics of gold, host quartz and related fluids. Neues Jahrbuch für Mineralogie - Abhandlungen, 181 (1) 67-80 doi:10.1127/0077-7757/2005/0181-0002 | Journal (article/letter/editorial) | | sulphides. Calcite, dolomite, chlorite, pyrite, pyrrhotite and arsenopyrite are commonly present in addition...intimately intergrown with microcline, quartz, pyrrhotite and pyrite. Gold grains are, in general, < 25...presence of open space during their growth (cf. Sigma Mine; Michel & Giuliani 1996). The intergrowth of Au...fluid may be assumed at this stage (pyrite + pyrrhotite ± arsenopyrite assemblage; ilmenite stable; relatively...2002; Fairview mine, South Africa, Erasmus et al. 1982, de Ronde et al. 1992; Sigma mine, Canada, Guha |  | 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 |  | 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...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...resources of the main mineralized level in the Itapicuru mine (which closed in 1999) at 35 t of gold (6.5 Mt grading |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225...Thorman (1994): Geology and Mineral Resources of Brazil: A Review, International Geology Review, 36:6,...rights reserved. Geology and Mineral Resources of Brazil: A Review INACIO DE MEDEIROS DELGADO, AUGUSTO J...de Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey |  | 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 |  | 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) | | early mineralization phase includes pyrite-I, pyrrhotite, and argentite. This phase occurs commonly as...According to ore microscopic studies, the pyrite, pyrrhotite, argentite, galena, sphalerite, chalcopyrite...mineralization phase includes pyrite (Py-I), pyrrhotite, argentite, and invisible gold, while the late...the Fazenda Brasileiro and Fazenda Maria Preta gold deposits, Rio Itapicuru Greenstone Belt, Bahia. Revista...residual soil mapping in SW Minais Gerais State, Brazil: a prospecting case history in Greenstone belt |  | Rios, D.C., Conceição, H., Davis, D.W., Plá Cid, J., Rosa, M.L.S., Macambira, M.J.B., McReath, I., Marinho, M.M., Davis, W.J. (2007) Paleoproterozoic potassic–ultrapotassic magmatism: Morro do Afonso Syenite Pluton, Bahia, Brazil. Precambrian Research, 154 (1) 1-30 doi:10.1016/j.precamres.2006.11.015 | Journal (article/letter/editorial) | | magmatism: Morro do Afonso Syenite Pluton, Bahia, Brazil D.C. Rios a,∗ , H. Conceição a , D.W. Davis...Federal University of Bahia, Rua Caetano Moura 123, 40.210-340 Salvador, BA, Brazil b Jack Satterly Geochronological...1611, CEP 66075-900, Belém, PA, Brazil d São Paulo University, Brazil e Companhia Baiana de Pesquisa...Mineral, 4a Avenida 460, CAB, 41760-300 Salvador, BA, Brazil f Geological Survey of Canada, 601 Booth St., Ottawa...Serrinha Nucleus, São Francisco Craton, northeastern Brazil. The unit consists predominantly of alkali feldspar |  | | 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 |  | | 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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