 | de Abreu Cunha, IonĂĄ, Misi, Aroldo, Babinski, Marly, Iyer, Sundaram Sankara S. (2007) Lead isotope constraints on the genesis of PbâZn deposits in the Neoproterozoic Vazante Group, Minas Gerais, Brazil. Gondwana Research, 11 (3) 382-395 doi:10.1016/j.gr.2006.02.008 | Journal (article/letter/editorial) | | PbâZn deposits in the Neoproterozoic Vazante Group, Minas Gerais, Brazil IonĂĄ de Abreu Cunha a , Aroldo Misi...Universidade Federal da Bahia, Salvador, BA 40210-340, Brazil Centro de Pesquisas GeocronolĂłgicas, Instituto...Rua do Lago, 562, SĂŁo Paulo, CEP 05508-080, SP, Brazil c Department of Physics and Astronomy, University...Neoproterozoic Vazante Group at the western border of the SĂŁo Francisco Craton, Brazil, hosts the largest...from four deposits located along the 300 km NâS VazanteâParacatuâUnai linear trend. Pb isotope ratios indicate |  | | Journal (article/letter/editorial) | | in the Southern Part of the Proterozoic Vazante Group, Brazil: Implications for Exploration of Sedimentary-Hosted...in the Southern Part of the Proterozoic Vazante Group, Brazil: Implications for Exploration of Sedimentary-Hosted...IN THE SOUTHERN PART OF THE PROTEROZOIC VAZANTE GROUP, BRAZIL: IMPLICATIONS FOR EXPLORATION OF SEDIMENTARY-HOSTED...global source of these metals, and sphalerite and galena are the main ore minerals. They occur in a variety...sedimentary basins. In Brazil, the main zinc deposits are hosted in the Proterozoic Vazante Group in the BrasĂlia |  | Misi, Aroldo, Iyer, Sundaram S.S., Coelho, Carlos Eduardo S., Tassinari, Colombo C.G., Franca-Rocha, Washington J.S., Cunha, IonĂĄ de Abreu, Gomes, Adriana S. Rocha, de Oliveira, Tolentino FlĂĄvio, Teixeira, JoĂŁo Batista G., Filho, Valter MĂŽnaco C. (2005) Sediment hosted leadâzinc deposits of the Neoproterozoic BambuĂ Group and correlative sequences, SĂŁo Francisco Craton, Brazil: A review and a possible metallogenic evolution model. Ore Geology Reviews, 26 (3) 263-304 doi:10.1016/j.oregeorev.2004.12.004 | Journal (article/letter/editorial) | | and correlative sequences, SaÌo Francisco Craton, Brazil: A review and a possible metallogenic evolution...Universidade Federal da Bahia, Salvador, BA 40170-290, Brazil b Curso de PoÌs-GraduaçaÌo em Geologia, Instituto...GeocieÌncias, Universidade Federal da Bahia, Salvador, BA, Brazil c Department of Physics and Astronomy, University...Brasileiro S.A., PETROBRAS-CENPES, Rio de Janeiro, RJ, Brazil e Centro de Pesquisas GeocronoloÌgicas, Instituto...Paulo, SP, Brazil f Universidade Estadual de Feira de Santana, Feira de Santana, BA, Brazil g Centro de |  | Olivo, Gema, Monteiro, Lena, Baia, Fernando, Slezak, Paul, Carvalho, Igor, Fernandes, Neil, Oliveira, Gustavo, Botura Neto, Basilio, McGladrey, Alexandra, Silva, Adalene, Moura, MĂĄrcia, Layton-Matthews, Daniel (2018) The Proterozoic Vazante Hypogene Zinc Silicate District, Minas Gerais, Brazil: A Review of the Ore System Applied to Mineral Exploration. Minerals, 8 (1) 22 doi:10.3390/min8010022 | Journal (article/letter/editorial) | | Review The Proterozoic Vazante Hypogene Zinc Silicate District, Minas Gerais, Brazil: A Review of the Ore...05508-010, Brazil; lena.monteiro@usp.br Nexa Resources, Vazante 38780-000, Minas Gerais, Brazil; fernando...BrasĂlia, BrasĂlia 70910-900, Federal District, Brazil; igor@gfgeo.com.br (I.C.); adalene@unb.br (A.M...Abstract: The Proterozoic Vazante zinc silicate district in Minas Gerais, Brazil, hosts world-class hypogene...silicate; willemite; Proterozoic dolomitic basin; Vazante district; mineral exploration; ore system model |  | Cordeiro, Pedro F.O., Oliveira, Claudinei G., Paniago, Luiz N., Romagna, Glacir, Santos, Roberto V. (2018) The carbonate-hosted MVT Morro Agudo Zn-Pb deposit, central Brazil. Ore Geology Reviews, 101. 437-452 doi:10.1016/j.oregeorev.2018.08.002 | Journal (article/letter/editorial) | | carbonate-hosted MVT Morro Agudo Zn-Pb deposit, central Brazil Pedro F.O. Cordeiro, Claudinei G Oliveira, Luis...carbonatehosted MVT Morro Agudo Zn-Pb deposit, central Brazil, Ore Geology Reviews (2018), doi: https://doi.org/10...carbonate-hosted MVT Morro Agudo Zn-Pb deposit, central Brazil Pedro F. O. Cordeiro1,2, Claudinei G Oliveira3...Curitiba, Brazil 3 Universidade de BrasĂlia, Brazil 4 AgĂȘncia Nacional de Mineração, BrasĂlia, Brazil 5 Nexa...known Mississippi-Valley Type deposit (MVT) in Brazil with original estimated reserves of 18.3 Mt @ 5 |  | | Journal (article/letter/editorial) | | Sphalerite and Galena of the Proterozoic Carbonate-Hosted Morro Agudo Zn-Pb Sulfide District, Brazil: Insights...Sphalerite and Galena of the Proterozoic Carbonate-Hosted Morro Agudo Zn-Pb Sulfide District, Brazil: Insights... Abstract: The metal-rich Vazante-Paracatu Mineral Belt, in central Brazil, hosts the Zn-Pb sulfide Morro...Mesoproterozoic (1.3â1.1 Ga) upper carbonate sequence of the Vazante Group. The Morro Agudo district is comprised of...deposits (northern part) and the zinc silicate Vazante and North Extension deposits (southern part). The |  | Monteiro, Lena VirgĂnia Soares, Bettencourt, Jorge Silva, Juliani, Caetano, de Oliveira, Tolentino FlĂĄvio (2007) Nonsulfide and sulfide-rich zinc mineralizations in the Vazante, AmbrĂłsia and Fagundes deposits, Minas Gerais, Brazil: Mass balance and stable isotope characteristics of the hydrothermal alterations. Gondwana Research, 11 (3) 362-381 doi:10.1016/j.gr.2006.04.017 | Journal (article/letter/editorial) | | mineralizations in the Vazante, AmbrĂłsia and Fagundes deposits, Minas Gerais, Brazil: Mass balance and stable...PandiĂĄ CalĂłgeras, 51, CEP 13083-970, Campinas, SP, Brazil b Instituto de GeociĂȘncias, Universidade de SĂŁo...Paulo, SP, Brazil c Votorantim Metais, Caixa Postal 3, CEP 38780-000, Vazante, MG, Brazil Received 31...online 9 August 2006 Abstract The Vazante Group hosts the Vazante nonsulfide zinc deposit, which comprises...with the metalliferous fluid (e.g. AmbrĂłsia). At Vazante, hydrothermal alteration resulted in silicification |  | | Journal (article/letter/editorial) | | Geochemistry of Galenas from the Bambui Group, Minas Gerais- Brazil S. S. Iyer Departamento de Processos Especiais...S~o Paulo, Brazil Abstract. Lead isotope data on galenas from the Bambui group, Minas Gerais have been...distribution of lead isotope ratios shows a zonation in Vazante Paracatu region, an area containing large deposits...an area of more than 400,000 Sq. Km. in central Brazil (Almeida et al., 1976). This group contains major...Valley, which includes part of the State of Minas Gerais, Bahia and Goias (Fig. 1 of Cassedanne, 1973) |  | | Journal (article/letter/editorial) | | Proterozoic SedimentHosted Pb-Zn (Ag) Deposits of Brazil Aroldo Misiâ, Sundaram S. Iyer2, Colombo C. G....Universidade Federal da Balzia, Salvador; BA 40210-340, Brazil, E-Mail: rnisi@ujlm.br Department of Physics arid...Universiclade de SZo Paulo, SZo Pado, Sdo Paulo, 05422-970, Brazil Department of Geological Sciences, The University...UtiiverrridadeFederal da Baftia, Salvador; Bahia, 40210-340, Brazil Curso de Poâs-Graduagdo enz Geoquiniica, Itistituto...Federal da Bahia, Salvador; Balzia, 40210-340, Brazil (Mciizuscriptrsceiwrl Deceinlzer 12, 1997; accepted |  | | Journal (article/letter/editorial) | | mineralization in the Proterozoic Vazante â Paracatu District, Brazil: Implications for metallogeny and...Keywords: Sediment-hosted Zn Mesoproterozoic Upper Vazante Sequence Lithogeochemistry Mineral chemistry Metallogeny...Metallogeny The Mesoproterozoic Upper Vazante Sequence is a mixed carbonate â siliciclastic marine succession...silicate and Zn â Pb sulfide deposits in central Brazil. Carbonate-hosted Zn ± Pb mineralization is interpreted...Zn-deposits and occurrences in the 250 km â long Vazante â Paracatu District are underlain by the Serra |  | Oliver, Nicholas H.S., Thomson, Brian, Freitas-Silva, Flavio H., Holcombe, Rodney J., Rusk, Brian, Almeida, Bruna S., Faure, Kevin, Davidson, Garry R., Esper, Eldrick L., GuimarĂŁes, Paulo J., Dardenne, Marcel A. (2015) Local and Regional Mass Transfer During Thrusting, Veining, and Boudinage in the Genesis of the Giant Shale-Hosted Paracatu Gold Deposit, Minas Gerais, Brazil. Economic Geology, 110 (7) 1803-1834 doi:10.2113/econgeo.110.7.1803 | Journal (article/letter/editorial) | | Giant Shale-Hosted Paracatu Gold Deposit, Minas Gerais, Brazil* Nicholas H.S. Oliver,1,2,â Brian Thomson...Andar, Cruzeiro, Belo Horizonte â MG 30130-009, Brazil 4 Instituto 5 School de GeociĂȘncias, Universidade...Universidade de BrasĂlia, BrasĂlia DF, 70910-900, Brazil of Earth Sciences, University of Queensland, St Lucia...understand the genesis of the Paracatu deposit in Brazil, a shallow-dipping, bulk-tonnage, vein-style low-grade...thrusting. Introduction The Paracatu gold deposit in Brazil, also known as Morro do Ouro (âHill of Goldâ), |  | | Journal (article/letter/editorial) | | ISOTOPEGEOCHEMISTRY OF GALENASFROMTHE BAMBU[GROUP, MINAS GERAIS, BRAZIL--IMPLICATIONS FOR ORE GENESIS S.S. IYEâą...Nucleares (CNEN/SP)CaixaPostal11049,Pinheiros, SdoPaulo,Brazil J. HOEFS, Geochemisches Institut,der Universitat...sedimento Castaryrocksof the Bambuâągroup,MinasGerais,Brazil, Costa(1986),andDresch(1987).According are currentlybeingstudied...Sphalchronologyof the hostrocks(Coutoet al., 1981; erite and galena are the majorsulfidesin the stratiIyer, 1984),...the lead and sulfurisotopegeochemistry of The Vazante-Paracatu regioncontainsalmostthe thegalenaandb |  | Hitzman, M. W., Reynolds, N. A., Sangster, D. F., Allen, C. R., Carman, C. E. (2003) Classification, Genesis, and Exploration Guides for Nonsulfide Zinc Deposits. Economic Geology, 98 (4) 685-714 doi:10.2113/gsecongeo.98.4.685 | Journal (article/letter/editorial) | | Torlon, Guatemala; 11 = Accha, Peru; 12 = Vazante, Brazil; 13 = Tynagh and Silvermines, Ireland; 14 =...Many zinc sulfide deposits originally contained galena and copper-iron sulfides. As these minerals are...Qiandong Shen Shen 689 New York, USA Brazil Balmat Vazante Hypogene nonsulfide zinc Isa/sedex VMS...dolostone by smithsonite with minor hematite. Tucson mine, Leadville district, Colorado, United States. b...Massive smithsonite replacing limestone. Wolftone mine, Colorado, United States. c. Coarsely crystalline |  | | Journal (article/letter/editorial) | | min6ralisations de la zone Itacarambi--Vazante dans le Nord-Ouest de l'6tat de Minas Gerais-Br6sil j . P. CASSEDANNE...occurs in the Sho Francisco River valley of central Brazil, with carbonate formations showing varied microfacies...darts le N o r d - O u e s t de l ' E t a t de Minas Gerais. Apr6s un bref rappel des principales caract4ristiques...de I ' W S W de la capitale de l ' E t a t de Minas Gerais au Sud, ~ l'extr~mit6 septentrionale de l '... Pal6ogfographie et min4ralisations de la zone Itacarambi-Vazante La sddimentation, trhs homog6ne Al'4chelle du bassin |  | Fernandes, Neil A., Olivo, Gema R., Layton-Matthews, Daniel, Voinot, Alexandre, Chipley, Donald, Diniz-Oliveira, Gustavo (2019) Geochemistry and provenance of siliciclastic rocks from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern margin of the SĂŁo Francisco Craton and the Columbia Supercontinent. Precambrian Research, 335. 105483 doi:10.1016/j.precamres.2019.105483 | Journal (article/letter/editorial) | | siliciclastic rocks from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...siliciclastic rocks from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...siliciclastic rocks from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...6 floor, Itaim Bibi 04.571- 010, SĂŁo Paulo SP, Brazil *Corresponding Author Abstract: Studies of provenance...understanding of its evolution. The Mesoproterozoic Upper Vazante Sequence is made up of siliciclastic and carbonate |  | Azmy, Karem, Veizer, Jan, Misi, Aroldo, de Oliveira, Tolentino FlĂĄvio, Sanches, Andreia Lima, Dardenne, Marcel Auguste (2001) Dolomitization and isotope stratigraphy of the Vazante Formation, SĂŁo Francisco Basin, Brazil. Precambrian Research, 112 (3) 303-329 doi:10.1016/s0301-9268(01)00194-2 | Journal (article/letter/editorial) | | isotope stratigraphy of the Vazante Formation, SaÌo Francisco Basin, Brazil Karem Azmy a, Jan Veizer a...Bahia 40210 -340, Brazil d Cia Mineira de Metais, P.O. Box c 1, 38780 Vazante MG, Brazil e Instituto de...70910 -900, Brazil b Received 9 September 1999; accepted 26 April 2001 Abstract The Vazante Formation...boreholes covering the entire spectrum of the Vazante carbonates. Dolomites can be classified, based...Dolomites; Geochemistry; Isotope stratigraphy; Vazante Formation; Brazil * Corresponding author. Present address: |  | | Journal (article/letter/editorial) | | 201-C, Salvador, 40170-290, Bahia, Brazil b Geological Survey of Brazil (CPRM)-Av. Pasteur, 404, Urca, Rio...Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil Received 2 May 2004; accepted 1 May 2006 Available...from Venezuela (Imataca Complex), and others from Brazil (QuadrilĂĄtero FerrĂfero, Itabira, and GuanhĂŁes)...mentioning that the Serra dos CarajĂĄs Basin in northern Brazil is older. It contains the worlds' largest iron...metamorphosed CaraĂba deposit, Curaçå Valley, Bahia, Brazil. This is an unusual, strongly deformed copper deposit |  | | Journal (article/letter/editorial) | | Horizonte, Brazil (2001), focused on the sedimentary successions of the Bambui and Vazante Groups and...and on the zinclead mines of Vazante and Morro Agudo, in the Vazante Group; (2) Windhoek, Namibia (2002)...Neoproterozoic glaciogenic diamicites and cap carbonates in Brazil, Namibia and Congoâ Zambia, which represent an...that the Neoproterozoic groups of Bambui, Vazante (Brazil), Nosib, Otavi, Mulden (Namibia) and Roan,...West Gondwana. Although the base metal deposits in Brazil, Namibia and central African Copper Belt are different |  | Choulet, Flavien, Barbanson, Luc, Buatier, Martine, Richard, James, Vennemann, Torsten, Ennaciri, Aomar, Zouhair, Mohamed (2017) Characterization and origin of low-T willemite (Zn2SiO4) mineralization: the case of the Bou Arhous deposit (High Atlas, Morocco) Mineralium Deposita, 52 (7) 1085-1102 doi:10.1007/s00126-016-0675-7 | Journal (article/letter/editorial) | | hightemperature zinc silicate deposits (e.g., Vazante in Brazil (Monteiro et al. 2006) or Beltana in Australia...inverted during the Tertiary (Leblanc 1968). At the mine, the bedding is steep to vertical and even overturned...rm platfo L. 50 125 250 km L. 25 Level 0 b Mine dumps l1-2m l1 b Karst cavities l4 l3 l2m ...covered by Lower Jurassic rocks (l1 to l4). The mine, made up of four levels (from level 0 to level 100)...with preserved sulfide minerals (sphalerite and galena) at depth and newly formed non-sulfide minerals |  | Bertoni, Maria E., Rooney, Alan D., Selby, David, Alkmim, Fernando F., Le Heron, Daniel P. (2014) Neoproterozoic ReâOs systematics of organic-rich rocks in the SĂŁo Francisco Basin, Brazil and implications for hydrocarbon exploration. Precambrian Research, 255. 355-366 doi:10.1016/j.precamres.2014.10.010 | Journal (article/letter/editorial) | | organic-rich rocks in the SĂŁo Francisco Basin, Brazil and implications for hydrocarbon exploration Maria...02138, USA d Departamento de Geologia, Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro...Cruzeiro, 35.400.000 Ouro Preto, MG, Brazil b a r t i c l e i n f o Article history: Received 22 November...October 2014 Keywords: ReâOs Neoproterozoic Canastra Vazante BambuĂ Source rock a b s t r a c t The SĂŁo Francisco...Paracatu Slate Formation of the Canastra Group, Brazil, yields a depositional age of 1002 ± 45 Ma. This |  | Azmy, Karem, Kendall, Brian, Creaser, Robert A., Heaman, Larry, de Oliveira, Tolentino F. (2008) Global correlation of the Vazante Group, SĂŁo Francisco Basin, Brazil: ReâOs and UâPb radiometric age constraints. Precambrian Research, 164 (3) 160-172 doi:10.1016/j.precamres.2008.05.001 | Journal (article/letter/editorial) | | Global correlation of the Vazante Group, SaÌo Francisco Basin, Brazil: ReâOs and UâPb radiometric age...Votorantim Metais, P.O. Box 03, 38780-000 Vazante, MG, Brazil b a r t i c l e i n f o Article history:...Carbonates Glaciation ReâOs UâPb Vazante Group Brazil a b s t r a c t The Vazante Group consists of Precambrian...Belt of the SaÌo Francisco Basin in east central Brazil. The sequence is about 4.8 km thick and contains...ReâOs and UâPb ages, the best age estimate of the Vazante Group is constrained to be âŒ1000â1100 Ma and thus |  | Okubo, Juliana, Klyukin, Yury Igorevich, Warren, Lucas VerĂssimo, Sublett, D. Matthew, Bodnar, Robert J., Gill, Benjamin C., Xiao, Shuhai (2020) Hydrothermal influence on barite precipitates in the basal Ediacaran Sete Lagoas cap dolostone, SĂŁo Francisco Craton, central Brazil. Precambrian Research, 340. 105628 doi:10.1016/j.precamres.2020.105628 | Journal (article/letter/editorial) | | Lagoas cap dolostone, SĂŁo Francisco Craton, central Brazil Juliana Okubo, Yury Igorevich Klyukin, Lucas VerĂssimo...Lagoas cap dolostone, SĂŁo Francisco Craton, central Brazil, Precambrian Research (2020), doi: https://doi...Lagoas cap dolostone, SĂŁo Francisco Craton, central Brazil Juliana Okubo a, b, *, Yury Igorevich Klyukin b...Paulo State University (Unesp), Rio Claro-SP, Brazil b Department of Geosciences, Virginia Tech, Blacksburg...the Sete Lagoas Formation, BambuĂ Group, central Brazil. Our goal was to test several hypotheses about |  | Harkins, S. A., Appold, M. S., Nelson, B. K., Brewer, A. M., Groves, I. M. (2008) Lead Isotope Constraints on the Origin of Nonsulfide Zinc and Sulfide Zinc-Lead Deposits in the Flinders Ranges, South Australia. Economic Geology, 103 (2) 353-364 doi:10.2113/gsecongeo.103.2.353 | Journal (article/letter/editorial) | | deposits include the Flinders Ranges (Australia), Vazante (Brazil), and Berg Aukas (Namibia). Whereas the origin...and occurs in stylolites, veins, and breccias. Galena is the most abundant sulfide mineral at 356 LEAD...quartz. In the other sulfide mineral deposits, galena also tends to be more abundant than sphalerite...minerals. In the Wirrealpa and Erics deposits, the galena has been largely altered to anglesite. In contrast...Willemite Galena Hedyphane Coronadite Willemite Coronadite Willemite Willemite Galena Galena Anglesite |  | | Journal (article/letter/editorial) | | 2004 Abstract The lead isotopic composition of galena from the Neoproterozoic sediment-hosted Zn-Pb sulphide...Belt, southwestern Namibia, as well as that of galena from minor occurrences in the wider Rosh Pinah...Neoproterozoic strata in southwestern Africa and Brazil. The isotope data were supplemented by a geochemical...southern Africa (Otavi Mountain Land) and eastern Brazil. The obtained data highlight not only that calculated...found in the Vazante Formation (Vazante and Morro Agudo deposits) in the Brasilia Belt, Brazil, and in the |  | | Journal (article/letter/editorial) | | PhosphateRich Carbonate Strata, IrecĂȘ Basin, Bahia, Brazil a J. Richard Kyle & Aroldo Misi b a Department...Federal da Bahia , 40210-340, Bahia, Salvador, Brazil Published online: 06 Jul 2010. To cite this article:...Phosphate-Rich Carbonate Strata, IrecĂȘ Basin, Bahia, Brazil, International Geology Review, 39:5, 383-399, DOI:...Universidade Federal da Bahia, Salvador, Bahia 40210-340, Brazil Downloaded by [Columbia University] at 23:50 09...within the Sao Francisco craton of northeast-central Brazil. Stratabound Zn-Pb-Ag sulfide- and phosphate-rich |
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Vazante mine, Vazante, Minas Gerais, Brazil