 | 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...2,054±2 Ma on hydrothermal muscovite samples from the Fazenda Brasileiro gold deposit are interpreted...Itapicuru greenstone belt . São Francisco Craton . Brazil Introduction The Rio Itapicuru greenstone belt |  | 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, |  | Davison, Ian, Batista Guimarães Teixeira, João, Da Glória Da Silva, Maria, Barretto Da Rocha Neto, Manoel, Martins Vieira Matos, Fernando (1988) The Rio Itapicuru greenstone belt, Bahia, Brazil: Structure and stratigraphical outline. Precambrian Research, 42 (1) 1-17 doi:10.1016/0301-9268(88)90007-1 | Journal (article/letter/editorial) | | Netherlands THE RIO ITAPICURU GREENSTONE BELT, BAHIA, BRAZIL: STRUCTURE AND STRATIGRAPHICAL OUTLINE IAN DAVISON...T I N S VIEIRA MATOS 2 1Universidade Federal da Bahia, Curso de Pds-gradua¢fio em Geologia, Instituto...Moura, 123, Federa¢5o, CEP40.120, Salvador, Bahia (Brazil) ~DOCEGEO, Rio Doce Geologia e Minera¢5o S.A...Guadalajara, 20, Barra, CEP 40.160, Salvador, Bahia (Brazil) :~C.B.P.M., Companhia Baiana de Pesquisa Mineral...s/n, Centro Administrativo da Bahia, CEP 40.000, Salvador, Bahia (Brazil) (Received and accepted March |  | 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) | | Paleoproterozoic Rio Itapicuru granite-greenstone belt (Bahia, Brazil): the role of synkinematic plutons in the regional...Caetano Moura, 123 CEP 40210-340 Salvador, Bahia, Brazil c Institut Universitaire de France, Paris, France...of the Rio Itapicuru greenstone belt (RIGB, Bahia, Brazil) involves two tectonic events of different natures...the RIGB. © 1997 Elsevier Science B,V. Keywords: Brazil; Greenstone belts; Paleoproterozoic ; Quartz fabrics;...Paleoproterozoic Rio Itapicuru greenstone belt (RIGB, Bahia state, NE Brazil) using structural and kinematic features |  | | 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...´ Estadual de Campinas, 13.083-970—Campinas-SP, Brazil. Fax: q55-19-239-1562; E-mail: xavier@ige.unicamp...craton, State of Bahia, has been a very important gold-producing district in northeast Brazil since 1980. |  | Ledru, P., Mile´si, J.P., Johan, V., Sabate´, P., Maluski, H. (1997) Foreland basins and gold-bearing conglomerates: a new model for the Jacobina Basin (Sa˜o Francisco province, Brazil) Precambrian Research, 86 (3) 155-176 doi:10.1016/s0301-9268(97)00048-x | Journal (article/letter/editorial) | | for the Jacobina Basin (S o Francisco province, Brazil) P. L e d r u a,,, j . p . Mil6si a, V. J o h a...the Jacobina Basin in the S~o Francisco province (Brazil) is representative of the foreland basins that...Davis et al., 1994), Franceville (Gabon), Jacobina (Brazil) and the North Guiana trough (French Guiana), have...sense, the Palaeoproterozoic Jacobina Basin in Brazil, which has so far produced about 50 t of gold,...Francisco province The S~o Francisco province in Brazil results from the accretion of 2500 2000 Ma greenstone |  | | 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...Furthermore, 40Ar/39Ar ages for hydrothermal muscovite of 1833 ± 16 and 1840 ± 17 Ma were reported for |  | 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...postsedimentary mesothermal quartz – tourmaline – muscovite/fuchsite lodes, which constitute a possible source...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...cordierite – biotite and sillimanite– biotite –muscovite (syn-S2). These metamorphic assemblages indicate |  | | 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 |  | 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) | | presence of open space during their growth (cf. Sigma Mine; Michel & Giuliani 1996). The intergrowth of Au...Graupner et al. 2001). The presence of the albite + muscovite + chlorite alteration assemblage at this stage...2002; Fairview mine, South Africa, Erasmus et al. 1982, de Ronde et al. 1992; Sigma mine, Canada, Guha...Guha et al. 1991; Fazenda Brasileiro mine, Brazil, Michel & Giuliani 1996, Xavier & Foster 1999). The close...primary gold precipitation and formation of late muscovite or chlorite was found in our study. The Ar/Ar |  | 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...is characterized by distal quartz-K-feldspar±muscovite, intermediate quartz-fuchsitic mica-biotite-pyrite...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 |  | 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) | | tectonic intrusions including granodiorite, gabbro, muscovite granite and alkali feldspar granites. The following... high deformed and Ld, low deformed); MS-GR, muscovite granite; AL-GR, alkali feldspar granite. a) Field...foliation sub-parallel to main HSZ trend. e) Muscovite granite rocks carry a roof pendant of island arc...epidote; BT, biotite; CH, chlorite; OP, opaque; MS, muscovite; QZ, quartz. a) The serpentinites show prismatic...Alternating recrystallized quartz-rich and sericite/muscovite-rich laminations in quartzites. f) Metabasalt |  | 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 |  | 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...40Ar/39Ar dating of hydrothermal biotite and muscovite. This study demonstrates that the Ouro Preto gold...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 |  | | 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...brazilianite (25 mm), muscovite and feldspar, Lin6polis, Divino das Laranjeiras, Minas Gerais. Collection |  | | Journal (article/letter/editorial) | | USA and Africa, and also previously measured in Brazil and Chile, indicates that climatic conditions at...weathering profiles in the Amazon and southeastern Brazil ( VASCONCELOSet al., 1992, 1993a). Jarosite and...present in the oxidation zones of ore deposits, acid mine drainages, hydrothermal ore deposits, hot springs...that fine-grained fuchsite (a Cr-rich variety of muscovite) occurs as microcrystalline aggregates in pressure...oxidation of pyrite and precipitation of jarosite muscovite will not lose potassium or radiogenic Ar.Fuchs&e |  | de Araújo, Carlos E.G., Pinéo, Tercyo R.G., Caby, Renaud, Costa, Felipe G., Cavalcante, José C., Vasconcelos, Antonio M., Rodrigues, Joseneusa B. (2010) Provenance of the Novo Oriente Group, southwestern Ceará Central Domain, Borborema Province (NE-Brazil): A dismembered segment of a magma-poor passive margin or a restricted rift-related basin?. Gondwana Research, 18 (2) 497-513 doi:10.1016/j.gr.2010.02.001 | Journal (article/letter/editorial) | | southwestern Ceará Central Domain, Borborema Province (NE-Brazil): A dismembered segment of a magma-poor passive...CPRM-Geological Survey of Brazil, R. Antonio Sales 1418, CEP 60135-101, Fortaleza-CE, Brazil CPRM-Geological Survey...Survey of Brazil, Av. SGAN-Quadra 603 — Conjunto J, Parte A,CEP 70830-030, Brasilia-DF, Brazil Laboratoire... Stretching lineations are defined by quartz, muscovite, biotite, staurolite and in the easternmost portion...correlations between central Africa and northeastern Brazil (e.g. Caby, 1989). In this context, the Transbrasiliano |  | | 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...:IS 0 AMPHIBOLE ~ :IS BIOOTI'E ';;j ~ ! MUSCOVITE filii .2 FELDSPAR 3 41> "" QUARTZ , 0...(USA), the Deccan (India), and the Parana Basin (Brazil), average 3.5 ppb gold with little variation in |  | | 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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