 | Ferro De Oliveira Fortes, Paulo De Tarso, Cheilletz, Alain, Giuliani, Gaston, Féraud, Gilbert (1997) A Brasiliano Age (500 ± 5 Ma) for the Mina III Gold Deposit, Crixás Greenstone Belt, Central Brazil. International Geology Review, 39 (5) 449-460 doi:10.1080/00206819709465283 | Journal (article/letter/editorial) | | (500 ± 5 Ma) for the Mina III Gold Deposit, Crixás Greenstone Belt, Central Brazil a b Paulo De Tarso..., Campus Universitári, Brasilia, DF 70910-900, Brazil b Centre de Recherches Petrographiques e Géochimiques...(500 ± 5 Ma) for the Mina III Gold Deposit, Crixás Greenstone Belt, Central Brazil, International Geology...Brasiliano Age (500 ± 5 Ma) for the Mina III Gold Deposit, Crixás Greenstone Belt, Central Brazil1 PAULO... Campus Universitário, Brasilia, DF 70910-900, Brazil ALAIN CHEILLETZ, Downloaded by [Florida State |  | | Journal (article/letter/editorial) | | Article Linking Gold Systems to the Crust-Mantle Evolution of Archean Crust in Central Brazil Jessica Bogossian...Linking Gold Abstract: The Goiás Archean Block (GAB) in central Brazil is an important gold district...district that hosts several world-class orogenic gold deposits. A better comprehension of the crustal, tectono-magmatic...crustal growth models, and target gold deposits. We present an overview of gold systems, regional whole-rock...zircon U-Pb and Hf-O isotope data. The orogenic gold deposits show variable host rocks, structural settings |  | Ulrich, Stanislav, Hageman, Steffen, Marques, Juliana Charão, Figueiredo, Frederico Lana A. R., Ramires, João E. F., Frantz, José Carlos, Petersen, Klaus (2021) The Orogenic Crixás Gold Deposit, Goiás, Brazil: A Review and New Constraints on the Structural Control of Ore Bodies. Minerals, 11 (10) 1050 doi:10.3390/min11101050 | Journal (article/letter/editorial) | | minerals Review The Orogenic Crixás Gold Deposit, Goiás, Brazil: A Review and New Constraints on the... J.C.; Petersen, K. The Orogenic Crixás Gold Deposit, Goiás, Brazil: A Review and New Constraints on... Bento Gonçalves 9500, Porto Alegre 91501-970, Brazil; juliana.marques@ufrgs.br (J.C.M.); jose.frantz@ufrgs...Mineração Serra Grande, AngloGold Ashanti, Crixás 76510-000, Brazil; flarfigueiredo@hotmail.com (F.L.A.R.F...Target Latin America, Marista, Goiânia 74150-030, Brazil; klaus@targetlatinamerica.com Correspondence: |  | 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) | | host rocks and gold mineralization of the Crixás greenstone belt, Goiás, Central Brazil Hardy Jost a,⁎...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...Paulo, Brazil e Departamento de Exploração, Mineração Serra Grande, Caixa Postal 24, Crixás, Goiás, 76510-000 |  | 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) | | belt: evidence from the Cascavel and Sertão orogenic gold deposits Jessica Bogossian, Steffen G. Hagemann...belt: evidence from the Cascavel and Sertão orogenic gold deposits, Ore Geology Reviews (2019), doi: https://doi...belt: evidence from the Cascavel and Sertão orogenic gold deposits” JESSICA BOGOSSIAN,1 STEFFEN G. HAGEMANN...Highway, Crawley WA 6009, Australia 2 Orinoco Gold Limited 3 Universidade Federal de Minas Gerais... Belo Horizonte, Minas Gerais, CEP 31270-901, Brazil 4 Centre for Microscopy, Characterisation and |  | Zaccarini, Federica, Portella, Yuri de M., Bakker, Ronald J., Angeli, Nelson, Garuti, Giorgio, Thalhammer, Oskar A.R. (2012) Electron microprobe and Raman spectroscopic investigation of monazite from chromitites of Cedrolina (Goiás State, Brazil) Neues Jahrbuch für Mineralogie - Abhandlungen Journal of Mineralogy and Geochemistry, 189 (2) 207-215 doi:10.1127/0077-7757/2012/0220 | Journal (article/letter/editorial) | | monazite from chromitites of Cedrolina (Goiás State, Brazil) Federica Zaccarini, Yuri de M. Portella...Monazite from chromitites of Cedrolina (Goiás State, Brazil) was investigated by electron microprobe...has been rarely encountered in chromitites. In Brazil, it was previously reported from chromitites of...chromitite, Cedrolina, Brazil, Raman, electron microprobe, metamorphism, Pilar de Goiás greenstone belt. ...associated with the Cedrolina chromitites (Goiás, Brazil). We compare the obtained results with those |  | Cordeiro, Pedro Filipe de Oliveira, de Oliveira, Claudinei Gouveia, Giustina, Maria Emília Schutesky Della, Dantas, Elton Luis, dos Santos, Roberto Ventura (2014) The Paleoproterozoic Campinorte Arc: Tectonic evolution of a Central Brazil pre-Columbia orogeny. Precambrian Research, 251. 49-61 doi:10.1016/j.precamres.2014.06.002 | Journal (article/letter/editorial) | | Campinorte Arc: Tectonic evolution of a Central Brazil pre-Columbia orogeny Pedro Filipe de Oliveira Cordeiro...Universidade de Brasília, 70910-900 Brasília, DF, Brazil a r t i c l e i n f o Article history: Received...Neoproterozoic Goiás Magmatic Arc by the Rio dos Bois Fault in the northern Brasília Belt, Central Brazil. The...Additionally, the Campinorte Arc and the neighboring Crixás/Guarinos/Faina greenstone belts may have shared...supercontinent amalgamation events. The Central Brazil northern Brasilia Belt basement encompasses evidence |  | Maheshwari, Anil, Sial, Alcides N., Gaucher, Claudio, Bossi, Jorge, Bekker, Andrey, Ferreira, Valderez P., Romano, Antonio W. (2010) Global nature of the Paleoproterozoic Lomagundi carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay. Precambrian Research, 182 (4) 274-299 doi:10.1016/j.precamres.2010.06.017 | Journal (article/letter/editorial) | | carbon isotope excursion: A review of occurrences in Brazil, India, and Uruguay Anil Maheshwari a,∗ , Alcides...Department of Geology, UFPE, Recife, PE 50740-530, Brazil Departamento de Geología, Facultad de Ciencias...Geosciences, UFMG, Belo Horizonte, MG 30430-120, Brazil b c a r t i c l e i n f o Article history: Received... Keywords: Lomagundi excursion Carbon isotopes Brazil Uruguay India a b s t r a c t Positive carbon...Supergroup (northwestern India), the Minas Supergroup (Brazil), and new sections of the Paso Severino Formation |  | Borges, Caio César Aguiar, Toledo, Catarina Labouré Bemfica, Silva, Adalene Moreira, Chemale, Farid, Jost, Hardy, Lana, Cristiano de Carvalho (2017) Geochemistry and isotopic signatures of metavolcanic and metaplutonic rocks of the Faina and Serra de Santa Rita greenstone belts, Central Brazil: Evidences for a Mesoarchean intraoceanic arc. Precambrian Research, 292. 350-377 doi:10.1016/j.precamres.2017.02.017 | Journal (article/letter/editorial) | | and Serra de Santa Rita greenstone belts, Central Brazil: evidences for a Mesoarchean intraoceanic arc C...and Serra de Santa Rita greenstone belts, Central Brazil: evidences for a Mesoarchean intraoceanic arc,...and Serra de Santa Rita greenstone belts, Central Brazil: evidences for a 3 Mesoarchean intraoceanic arc...Instituto de Geociências, 70910-900 Brasília, DF, Brazil. Universidade do Vale do Rio dos Sinos, Departamento...Departamento de Geologia, 93022-000 São Leopoldo, RS, Brazil. c Escola de Minas de Ouro Preto, Departamento |  | Ribeiro-Althoff, A. M., Cheilletz, A., Giuliani, G., Féraud, G., Camacho, G. Barbosa, Zimmermann, J. L. (1997) 40Ar/39Ar and K-Ar Geochronological Evidence for Two Periods (∼2 Ga and 650 to 500 Ma) of Emerald Formation in Brazil. International Geology Review, 39 (10) 924-937 doi:10.1080/00206819709465310 | Journal (article/letter/editorial) | | (∼2 Ga and 650 to 500 Ma) of Emerald Formation in Brazil a a a b A. M. Ribeiro-Althoff , A. Cheilletz...(∼2 Ga and 650 to 500 Ma) of Emerald Formation in Brazil, International Geology Review, 39:10, 924-937 To...ages have been obtained on the emerald deposits of Brazil. These include: Socotó (2104 ± 41 Ma), Carnaíba...consistent with two periods of emerald formation in Brazil—~2 Ga and between 650 and 500 Ma. The age of the...ductile-brittle shear-zone systems in the state of Goiás and the economic importance of the Brasiliano tectonic |  | | Journal (article/letter/editorial) | | assemblage from Neoproterozoic mélange, Central Brazil Matthew T. Brown, Reinhardt A. Fuck, Elton L. Dantas...assemblage from Neoproterozoic mélange, Central Brazil, Precambrian Research (2019), doi: https://doi...assemblage from Neoproterozoic mélange, Central Brazil Matthew T. Browna*, Reinhardt A. Fucka, Elton L...Brasília, Brasília, Federal District, 70910-900, Brazil *Corresponding author. E-mail address: brownmt7@gmail...Abstract The Neoproterozoic Brasília belt, central Brazil, formed during the amalgamation of West Gondwana |  | Giuliani, G., France-Lanord, C., Zimmermann, J. L., Cheilletz, A., Arboleda, C., Charoy, B., Coget, P., Fontan, F., Giard, D. (1997) Fluid Composition, δD of Channel H2O, and δ18O of Lattice Oxygen in Beryls: Genetic Implications for Brazilian, Colombian, and Afghanistani Emerald Deposits. International Geology Review, 39 (5) 400-424 doi:10.1080/00206819709465280 | Journal (article/letter/editorial) | | granitic pegmatites and greisens and emerald from Brazil, Colombia, a n d Afghanistan. An i m p o r t a...contrasting and restricted ranges of δ18O values. In Brazil, emeralds related to pegmatites have a systematic...composition of the hydrother mal fluid. Relative to Brazil, the δ18O of Colombian and Afghanistani emeralds...18O-rich sedimentary or metasedimentary rocks. In Brazil, the δD composition of channels in emerald and...1992) and emerald from the Porangatu deposit in Brazil (Fallick and Barros, 1987) and the Swat deposit |  | | Journal (article/letter/editorial) | | Oliveira Fortes Gold deposits and occurrences of the CrixaÂs Gold®eld, central Brazil Received: 14 November...2001 Ó Springer-Verlag 2001 Abstract The CrixaÂs Gold®eld is a part of the Tocantins province and consists...granite±greenstone terrane. The gold ®eld contains one large deposit (Mina III, 65 tons Au) and several smaller...formations, auriferous quartz veins, and disseminated gold ores in carbonaceous schists. On a more local scale...tectonic events. Introduction Gold production in the state of GoiaÂs, central Brazil, began in the 18th century |  | | Journal (article/letter/editorial) | | Marcos A.C. Maron Eduardo A. Ladeira Major Brazilian gold deposits ± 1982 to 1999 Received: 2 August 2000...Abstract Brazil has been a major but intermittent producer of gold since its discovery in 1500. Brazil led...led the world in gold production during the 18th and early 19th centuries. From the late 19th century to...from 1983 to 1990 fueled a major boom in Brazil's gold production, exceeding 100 t/year in 1988 and 1989...Based on their production history from 1982±1999, 17 gold mines are ranked as major (>20 t) and minor (3±8 |  | | Book | | Alkmim Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent Regional...Alkmim • Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent 123...Estado do Rio de Janeiro Maracanã, Rio de Janeiro Brazil Fernando F. Alkmim Escola de Minas Universidade...Preto Ouro Preto Brazil Umberto G. Cordani Universidade de São Paulo São Paulo Brazil ISSN 2364-6438...significant contributor to the mining industry in Brazil. This book provides a state of knowledge overview |  | Giuliani, G., Olivo, G.R., Marini, O.J., Michel, D. (1993) The Santa Rita gold deposit in the Proterozoic Paranoá Group, Goiás, Brazil: An example of fluid mixing during ore deposition. Ore Geology Reviews, 8 (6) 503-523 doi:10.1016/0169-1368(93)90042-w | Journal (article/letter/editorial) | | 503 The Santa Rita gold deposit in the Proterozoic Parano i Group, Goi ts, Brazil: An example of fluid...Autarquias Norte, Quadra 1, Bloco B, 70040 Brasilia DF, Brazil dEcole Nationale Sup~rieure de G~ologie, B.P. 452... 1993) ABSTRACT The Santa Rita gold deposit (Central Goi~is, Brazil) is hosted by Middle to Upper Proterozoic...part of the Parano~i lithostratigraphic column. Gold was probably initially transported as an AuC12-complex...AuC12-complex (T> 300 °C, low pH, moderate fo2-pyrite field stability). As temperature decreased below 290°C |  | | Journal (article/letter/editorial) | | com/loi/tigr20 Geology and Mineral Resources of Brazil: A Review a a Inacio De Medeiros Delgado , Augusto...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil b US. Geological Survey, Denver, CO, 80225 Version...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...Pesquisa de Recursos Minerals, Scdvador, Bahia, Brazil AND CHARLES H. THORMAN US. Geological Survey, Denver |  | | Journal (issue) | | courtesy Minera Casposo summary Gold loses its glitter The price of gold has reversed its decade-long upward...next year. Other expects believe that the price of gold will stabilize around US$1,600 an ounce during 2013...September 2011. Considered a safe haven for investment, gold attracted many investors in recent years who sought...2000, such investors represented just 5% of total gold demand; today they account for more than 30% of...these fears are dissipating: “Investors have swapped gold for US equities this year, on expectations that |
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