| | 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...sedimentary basins. In Brazil, the main zinc deposits are hosted in the Proterozoic Vazante Group in the BrasĂlia...(MASA, Vazante and North Extension mines; Monteiro et al., 2006 and Slezak et al., 2014). The Vazante and | | 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 | | 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) | 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 | | 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 | | 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 | | 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 | | | Report (chapter) | successions of the SaÌo Francisco Craton, Brazil: the BambuıÌ, Una, Vazante and Vaza Barris/Miaba groups and their...Campus da FederaçaÌo 40170-290, Salvador, Bahia, Brazil 2 Departments of Geology and ESSIC, University...Geosciences, University of Brasilia, Brasilia (DF), Brazil 5 NEG-LABISE, Department of Geology, Federal...(PE), 50670-000, Brazil 6 Votorantim Metais, P.O. Box 03, 38780-000, Vazante, MG, Brazil *Corresponding...in cratonic epicontinental basins, and by the Vazante and Vaza Barris/Miaba groups, which accumulated | | 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 | | 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...~680 Ma Brasiliano orogeny. Massive to laminated quartz-sulfide-carbonate veins and associated alteration | | | Journal (article/letter/editorial) | Carbonate-Hosted Morro Agudo Zn-Pb Sulfide District, Brazil: Insights into Ore Genesis Colin Aldis 1, * , Gema...Carbonate-Hosted Morro Agudo Zn-Pb Sulfide District, Brazil: Insights into Ore Genesis. Minerals 2022, 12,... 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 | | | 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 | | | 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 | | | Report (issue) | RECONNAISSANCE GEOLOGIC STUDY OF THE VAZANTE ZINC DISTRICT, MINAS GERAIS, BRAZIL By Charles H. Thorman, U. S...Recursos Minerals Ministry of Mines and Energy, Brazil LIBRARY AUG1 1 1977 DENVER The project report...~ ~- ~~~ ~~ __ n 2. Geologic map of the Vazante district in pocket 3. Geologic cross sections...medium-bedded limestone underlying cuesta southeast of Vazante 11. 13 Photograph of isolated hill underlain... RECONNAISSANCE GEOLOGIC STUDY OF THE VAZANTE ZINC DISTRICT, MINAS GERAIS, BRAZIL by Charles H. Thorman, U.S. Geological | | | 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 | | 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 | | Misi, Aroldo, Kaufman, Alan J., Veizer, JĂ n, Powis, Kelli, Azmy, Karem, Boggiani, Paulo Cesar, Gaucher, Claudio, Teixeira, JoĂŁo Batista G., Sanches, Andreia L., Iyer, Sundaram S.S. (2007) Chemostratigraphic correlation of Neoproterozoic successions in South America. Chemical Geology, 237 (1) 143-167 doi:10.1016/j.chemgeo.2006.06.019 | Journal (article/letter/editorial) | GeociĂȘncias, Campus da Federação, 40170-290 Salvador-BA, Brazil b Department of Geology, University of Maryland...GeociĂȘncias, Universidade de SĂŁo Paulo, SĂŁo Paulo, Brazil g Facultad de Ciencias, Departamento de Paleontologia...Naturais, Universidade Estadual do Sudoeste da Bahia, Brazil i Department of Physics and Astronomy, University...including important nonferrous base metal deposits in Brazil (Misi et al., 1998), and broadly equivalent intervals...including the CuiabĂĄ Group (Paraguay Belt), IbiĂĄ and Vazante groups (BrasĂlia Fold Belt), Miaba, Canudos and | | 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: | | 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 =...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...hemimorphite cementing goethitic dolostone clast, Vazante deposit, Brazil. j. Massive sauconite (zinc-bearing smectite) | | Geboy, Nicholas J., Kaufman, Alan J., Walker, Richard J., Misi, Aroldo, de Oliviera, Tolentino Flavio, Miller, Kristen E., Azmy, Karem, Kendall, Brian, Poulton, Simon W. (2013) ReâOs age constraints and new observations of Proterozoic glacial deposits in the Vazante Group, Brazil. Precambrian Research, 238. 199-213 doi:10.1016/j.precamres.2013.10.010 | Journal (article/letter/editorial) | of Proterozoic glacial deposits in the Vazante Group, Brazil Nicholas J. Geboy a,â , Alan J. Kaufman...40170-290, Salvador, Bahia, Brazil e Independent Consultant, Rio de Janeiro, RJ, Brazil f Massachusetts Institute...2013 Available online 23 October 2013 Keywords: Vazante Group Mesoproterozoic glaciation ReâOs geochronology...an organic-rich shale horizon from the Vazante Group in Brazil, coupled with geological observations,...geochemical and stratigraphic evidence suggest that the Vazante Group sediments accumulated along a passive margin | | 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 | | | Journal (article/letter/editorial) | 332-351 Phosphorites of RocinhaMine Patosde Minas(MinasGerais,Brazil)' GenesisandEvolutionof a Middle Prot...tectonicbrecciasin whichsecondaryapatitehasrecrystallized.The mine is exposedin a 50- to 75-m phosphaticsequencewhichis...ichis repeatedin a lower sliceabout100 m below mine level. The phosphatic ore is a homogeneous crypto-to...primarymetasedimentary apatites. IN BRAZIL,in western Minas Gerais and Goffts,cal- Gomez,1981);andthe...Cretaceous plutonicalkalineplugs(Ulbrichand states of Minas Gerais and GoiS.s occur in the metaserocksof the Brasiliafoldbelt | | 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)...samples of black ore were collected in the different mine levels and cut to prepare a set of 30 polished thin | | Rodrigues, J.B., Pimentel, M.M., Buhn, B., Matteini, M., Dardenne, M.A., Alvarenga, C.J.S., Armstrong, R.A. (2012) Provenance of the Vazante Group: New UâPb, SmâNd, LuâHf isotopic data and implications for the tectonic evolution of the Neoproterozoic BrasĂlia Belt. Gondwana Research, 21 (2) 439-450 doi:10.1016/j.gr.2011.07.017 | Journal (article/letter/editorial) | c o m / l o c a t e / g r Provenance of the Vazante Group: New UâPb, SmâNd, LuâHf isotopic data and...70830-030, Brazil Instituto de GeociĂȘncias, Universidade de BrasĂlia, BrasĂlia (DF) 70910-900, Brazil Instituto...Federal do Rio Grande do Sul, Porto Alegre (RS), Brazil d Research School of Earth Sciences, The Australian...ages Tectonics Brasilia Belt a b s t r a c t The Vazante Group show varied UâPb provenance patterns along...reserved. 1. Introduction The Vazante Group, in the BrasĂlia Belt (central Brazil), is a carbonateâpelitic | | Alvarenga, Carlos J.S., Oliveira, Gustavo D., Vieira, Lucieth C., Santos, Roberto V., Baptista, Marcos C., Dantas, Elton L. (2019) Carbonate chemostratigraphy of the Vazante Group, Brazil: A probable Tonian age. Precambrian Research, 331. 105378 doi:10.1016/j.precamres.2019.105378 | Journal (article/letter/editorial) | Manuscript Carbonate chemostratigraphy of the Vazante Group, Brazil: a probable Tonian age Carlos J.S. Alvarenga...Dantas, Carbonate chemostratigraphy of the Vazante Group, Brazil: a probable Tonian age, Precambrian Research...pertain. Carbonate chemostratigraphy of the Vazante Group, Brazil: a probable Tonian age. Carlos J.S. Alvarengaa...70910-900, Brazil Resources, Av. LuĂs Carlos Berrini, 105, 6Âș andar, SĂŁo Paulo, SP, 04571-010, Brazil c CPRM-Serviço...Av. Brasil, 1731, Belo Horizonte, MG, 30140-002, Brazil 1. Introduction Central South America may have |
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