| 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 | | 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) | 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) | microcline metavolcanite and mesocratic quartz-plagioclase gneiss at Ovala) after the development of the...microcline metavolcanite from Ovala. (b) Quartz-plagioclase gneiss from Ovala. (c) Partly carbonatized amphibolite...this alteration did not, however, affect the plagioclase gneiss containing the tourmaline-bearing gold...analogous to the Jacobina manganiferous deposits in Brazil). Finally, the thrusting of the Ogoou6 and Etrk6...Africa with those of the S~o Francisco craton in Brazil, which belong to the same entity (now separated | | | 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 | | 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 | | 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...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...Charlesworth 1992), the Fazenda Brasileiro gold mine in the greenstone belt of Itapicuru in Brazil (Reinhard and | | 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 | | 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...quartzite; coarse-grained quartzite with two micas, plagioclase, microcline and oxides; rare polymictic debris-flow... 1) with successive parageneses of quartz – plagioclase – staurolite – biotite – sillimanite (syn-S1) | | 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) | The metagabbros are composed of actinolite, plagioclase, subordinate clinopyroxene, ilmenite, apatite...medium-grained, actinolite, hornblende, clinopyroxene and plagioclase with little quartz (Fig. 4c), epidote, chlorite...anthophyllite; AC, actinolite; CR, chromite; PL, plagioclase; MI, microcline; HB, hornblende; EP, epidote;...with preferred orientation of actinolite and plagioclase. c) Aligned actinolite, hornblende and chlorite...h) Plagioclase with quartz crystals and muscovite flakes in the muscovite granites. i) Plagioclase with | | 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 | | 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 | | 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...magnetite quartzite overlie the metabasalts; with plagioclase-bearing and calcareous quartzite also being present...Petrographically it is composed of quartz, Kfeldspar, plagioclase and minor opaque minerals showing polygonal contacts | | | 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 |
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