 | | Report (issue) | | and Ore Deposits of the Alegria District, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J...the Departamento National da Producao Mineral of Brazil under the auspices of the Agency for International...District, Minas Gerais, Brazil By CHARLES H. MAXWELL GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-J Prepared in cooperation with the Departamento...Departamento National da Producao Mineral of Brazil under the auspices of the Agency for International Development |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Bertolino, Luiz Carlos, Alves, Felipe Emerson André, de Almeida, Antônio Modesto, Montenegro da Silva, Pedro Henrique, Mabub, Ricardo Oliveira de Araújo, Manduca, Luedson Guimarães, Araújo, Ivan Mendes Caixeta de Pamplona (2018) Multistage mineralization at the hypozonal São Sebastião gold deposit, Pitangui greenstone belt, Minas Gerais, Brazil. Ore Geology Reviews, 102. 618-638 doi:10.1016/j.oregeorev.2018.09.028 | Journal (article/letter/editorial) | | São Sebastião Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares, Atlas...São Sebastião Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil, Ore Geology Reviews (2018)...São Sebastião Gold Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares1, Atlas...Geociências, Universidade Federal do Rio de Janeiro, Brazil. 2 – Departamento de Geologia, Instituto de Geociências...Janeiro, Brazil. 3- Centro de Tecnologia Mineral (CETEM), Rio de Janeiro, Brazil 4 – IAMGOLD, Brazil 5- Centro |  | Brando Soares, Mariana, Corrêa Neto, Atlas Vasconcelos, Zeh, Armin, Cabral, Alexandre Raphael, Pereira, Larissa Fernandes, Prado, Milton Guimarães Bueno do, Almeida, Antônio Modesto de, Manduca, Luedson Guimarães, Silva, Pedro Henrique Montenegro da, Mabub, Ricardo Oliveira de Araújo, Schlichta, Thiago Mazutti (2017) Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: Stratigraphy, geochronology and BIF geochemistry. Precambrian Research, 291. 17-41 doi:10.1016/j.precamres.2017.01.008 | Journal (article/letter/editorial) | | Accepted Manuscript Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: stratigraphy, geochronology... Schlichta, Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: stratigraphy, geochronology...journal pertain. Geology of the Pitangui greenstone belt, Minas Gerais, Brazil: stratigraphy, geochronology...Geociências, Universidade Federal do Rio de Janeiro, Brazil. 2 – Departamento de Geologia, Instituto de Geociências...Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil. 3 - KIT- Karlsruhe Institute of Technology, Institute |  | | Journal (article/letter/editorial) | | SEBASTIÃO GOLD DEPOSIT, BRAZIL: IMPLICATIONS FOR LODE-GOLD MINERALIZATION IN MINAS GERAIS ALEXANDRE RAPHAEL...Janeiro, RJ, Brazil ABSTRACT São Sebastião is a recently discovered gold deposit in the Pitangui greenstone...greenstone belt, Minas Gerais, Brazil. Part of its hydrothermal system is characterized by chaotically distributed...historically important Passagem de Mariana gold mine shows similarities that are indicative of a possible...overprint in Minas Gerais. Keywords: Bi8Te3, Bi2Te, São Sebastião gold deposit, Minas Gerais, Brazil. INTRODUCTION |  | Bosco-Santos, Alice, Gilhooly, William Patrick, Fouskas, Fotios, Fabricio-Silva, Wendell, Oliveira, Elson Paiva (2020) Euxinia in the Neoarchean: The starting point for early oxygenation in a Brazilian Craton. Precambrian Research, 341. 105655 doi:10.1016/j.precamres.2020.105655 | Journal (article/letter/editorial) | | theNeoarchean:The starting point for early oxygenation in a Brazil‐ ian Craton Alice Bosco-Santos, William Patrick...University of Campinas, Campinas, SP, 13083855, Brazil (alicebosco@gmail.com) 2Department of Earth Sciences...Brasilia, Brasília, Distrito Federal 70910-900, Brazil 10 11 Abstract: Geochemical evidence for local...from the 16 Archean Pitangui greenstone belt (~2700 Ma), Minas Gerais, Brazil. The sulfur isotopic ...Archean sedimentary sequence (~2700 Ma), from the Pitangui 57 greenstone belt, northwest of the Quadrilátero |  | Olivo, Gema Ribeiro, Gauthier, Michel, Bardoux, Marc, Leao de Sa, Euripedes, Fonseca, Jose Teotonio F., Santana, Fernando Carbonari (1995) Palladium-bearing gold deposit hosted by Proterozoic lake superior-type iron-formation at the Caue iron mine, Itabira District, southern Sao Francisco Craton, Brazil; geologic and structural controls. Economic Geology, 90 (1) 118-134 doi:10.2113/gsecongeo.90.1.118 | Journal (article/letter/editorial) | | ion at the Cau Iron Mine, Itabira District, Southern SaoFrancisco Craton,Brazil: GeologicandStructuralControls...Rio Dote, Itabira, MinasGerais,Brazil 35900-900 Abstract The Cau• iron mine is located in the Itabira district...known as a major producerof iron ore (Doff, Mariana mine), and Lake Superior-typeiron-formations Introduction...Walde, 1986; Hoppe et (e.g.,CongoSoeo,Maquin•,Pitangui,Cau•, andConeeial., 1987), but it is also an important...Leaode S• andBorges,1991). The CongoSoco,Maquin•,Pitangui,Cau•, andConeei(Fleischerand Routhier, 1973; Abreu |  | | Journal (article/letter/editorial) | | protocontinent in the south São Francisco craton, Brazil Mariana Brando Soares, Atlas Vasconcelos Corrêa...protocontinent in the south São Francisco craton, Brazil, Gondwana Research(2019), https://doi.org/10.1016/j...protocontinent in the south São Francisco craton, Brazil Mariana Brando Soares1, Atlas Vasconcelos Corrêa...Geociências, Universidade Federal do Rio de Janeiro, Brazil. 2 - Departamento de Geologia, Instituto de Geociências...Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil. 3 - Programa de Pós-Graduação em Geologia, Instituto |  | | Journal (article/letter/editorial) | | Velhas Greenstone Belt, Quadrilátero Ferrífero, Brazil: Influence of Proterozoic Orogenies on Its Western...30310-310, MG, Brazil Instituto de Geociências, Universidade Federal de Minas Gerais, Av. Antônio Carlos...Campus Pampulha, Belo Horizonte 31270-910, MG, Brazil Correspondence: orivaldo.baltazar@hotmail.com (O...the Brasiliano São Francisco craton, Minas Gerais state, Brazil. It is composed of (i) Archean TTG granite-gneaissic...7000 km2 in the central and southern areas of Minas Gerais state. It constitutes the aggregation of Proterozoic |  | Olivo, G. R., Gauthier, M., Williams-Jones, A. E., Levesque, M. (2001) The Au-Pd Mineralization at the Conceicao Iron Mine, ItabiraDistrict, Southern Sao Francisco Craton, Brazil: An Example of aJacutinga-Type Deposit. Economic Geology, 96 (1) 61-74 doi:10.2113/gsecongeo.96.1.61 | Journal (article/letter/editorial) | | the Conceição Iron Mine, Itabira District, Southern São Francisco Craton, Brazil: An Example of a Jacutinga-Type... Quebec, Canada H3C 3P8 Abstract The Conceição mine, which is located in the Itabira district, southern...an altered Lake Superior-type iron-formation. The mine sequence consists of three metamorphosed lithostratigraphic...hematite grains (hematite II) with remnants of magnetite, and a finely laminated envelope around the quartz...Examples of this deposit class include the Homestake mine in the United States (Rye and Rye, 1974; Sawkins |  | Ferreira, Raianny Carolini Ramos, Pinheiro, Marco Aurélio Piacentini, Magalhães, Joana Reis, Novo, Tiago Amâncio, Schorscher, Johann Hans Daniel, Queiroga, Gláucia (2020) Physical volcanology and petrogenesis of the Archean Quebra Osso komatiite flow field, Rio das Velhas greenstone belt, Quadrilátero Ferrífero (Brazil). Lithos, 370. 105626pp. doi:10.1016/j.lithos.2020.105626 | Journal (article/letter/editorial) | | Velhas Greenstone Belt, Quadrilátero Ferrífero (Brazil) Raianny Carolini Ramos Ferreira, Marco Aurélio...Velhas Greenstone Belt, Quadrilátero Ferrífero (Brazil), LITHOS (2020), https://doi.org/ 10.1016/j.lithos...Velhas Greenstone Belt, Quadrilátero Ferrífero (Brazil) Raianny Carolini Ramos Ferreiraa,b,* raianny.ferreira@cprm...aGeological Survey of Brazil, Av. Brasil 1731, CEP 30140-002, Belo Horizonte, MG, Brazil f de Pesquisa Manoel...Geociências, Universidade oo bCentro Federal de Minas Gerais (CPMTC-IGC-UFMG), Campus Pampulha, Av. Antônio |  | | Book | | MINES AND MINERALS IN BRAZIL --= ··--· ··- ·-·=- MINES AND MINERALS IN BRAZIL J OSIAS LEAO (ECONOMIC...regarding water power and industry of electr·icity in Brazil were specially prepared at the Division of Waters........ 189 SUMMARY OF THE MINERAL RESERVES OF BRAZIL..... . ... ....... . .. 199 STATISTICAL TABLES...practically untouched, the mineral reserves of Brazil have already been a source of wealth to many and...without the discovery of the precious metals in Brazil the existence of the modern economic man would |  | Lobato, Lydia Maria, Ribeiro-Rodrigues, Luiz Cláudio, Zucchetti, Márcia, Noce, Carlos Maurício, Baltazar, Orivaldo Ferreira, da Silva, Luiz Carlos, Pinto, Claiton Piva (2001) Brazil's premier gold province. Part I: The tectonic, magmatic, and structural setting of the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero. Mineralium Deposita, 36 (3) 228-248 doi:10.1007/s001260100179 | Journal (article/letter/editorial) | | signi®cant Archean greenstone-belt successions in Brazil, in both their appreciable mineral productivity...fero (Iron Quadrangle) region, Minas Gerais state, southeastern Brazil, which occupies the southernmost...Federal de Minas Gerais, Av. AntoÃnio Carlos 6627, Pampulha, Belo Horizonte, Minas Gerais 31270-901,... Brazil E-mail: lobato@dedalus.lcc.ufmg.br Fax: +55-31-4995410 L.C. Ribeiro-Rodrigues FAPEMIG Bursary...Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro, Ouro Preto, Minas Gerais 35400-000 |  | Nzepang Tankwa, Marvine, Ganno, Sylvestre, Okunlola, Olugbenga Akindeji, Tanko Njiosseu, Evine Laure, Soh Tamehe, Landry, Kamguia Woguia, Brice, Mbita, Arnold Steven Motto, Nzenti, Jean Paul (2021) Petrogenesis and tectonic setting of the Paleoproterozoic Kelle Bidjoka iron formations, Nyong group greenstone belts, southwestern Cameroon. Constraints from petrology, geochemistry, and LA-ICP-MS zircon U-Pb geochronology. International Geology Review, 63 (14) 1737-1757 doi:10.1080/00206814.2020.1793423 | Journal (article/letter/editorial) | | 3.21 m thick and comprise magnetite pyroxene gneiss, garnetbearing magnetite pyroxene gneiss, pyroxene...indicating retrograde amphibolite facies metamorphism. Magnetite pyroxene gneiss and pyroxene BIFs show signatures...of both seawater and hydrothermal fluids, with magnetite pyroxene gneiss deposited closer to the vent source...source. In contrast, garnet-bearing magnetite pyroxene gneiss and grunerite BIFs are devoid of hydrothermal...Australia, Canada, South Africa, USA, India, and Brazil (Spier et al. 2003; Beukes and Gutzmer 2008; Adomako-Ansah |  | Moreira, Hugo, Cassino, Lucas, Lana, Cristiano, Storey, Craig, Albert, Capucine (2019) Insights into orogenic processes from drab schists and minor intrusions: Southern São Francisco Craton, Brazil. Lithos, 346. 105146 doi:10.1016/j.lithos.2019.07.013 | Journal (article/letter/editorial) | | minor intrusions: Southern São Francisco Craton, Brazil Hugo Moreira, Lucas Cassino, Cristiano Lana, Craig...minor intrusions: Southern São Francisco Craton, Brazil, LITHOS, https://doi.org/10.1016/j.lithos.2019...minor intrusions: Southern São Francisco Craton, Brazil Hugo Moreiraa, Lucas Cassinob, Cristiano Lanab...Geologia, Escola de Minas, Universidade Federal de Ouro Preto, Ouro Preto, MG 35400-000, Brazil; c Department...Palaeoproterozoic southern São Francisco Craton (SSFC), Brazil using geological relationships and accessory mineral |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...Lavra do Sapo, Ferruginha, Conselheiro Pena, Minas Gerais. Collection of Alvaro Lucio. Photograph taken...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 |  | Cutts, Kathryn, Lana, Cristiano, Alkmim, Fernando, Farina, Federico, Moreira, Hugo, Coelho, Viviane (2019) Metamorphism and exhumation of basement gneiss domes in the Quadrilátero Ferrífero: Two stage dome-and-keel evolution?. Geoscience Frontiers, 10 (5) 1765-1787 doi:10.1016/j.gsf.2019.02.009 | Journal (article/letter/editorial) | | Research Group, Departamento de Geologia, Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro...Cruzeiro, 35400-000, Ouro Preto, MG, Brazil b Department of Earth Sciences, University of Geneva, Rue...in Archean rocks. The Quadrilátero Ferrífero in Brazil has been identified as a Paleoproterozoic dome-and-keel...district in the southern São Francisco craton of Brazil hosts a B-type dome-and-keel province. The basement...Regional geology The São Francisco Craton in eastern Brazil is a large, wellexposed shield, surrounded by Neoproterozoic |  | | Journal (article/letter/editorial) | | fluids of the Zn-Pb-(Cu) deposits in the Jinbao mine district of eastern Guizhou Province, China: Evidence...V. Nikiforov, and A.M. Kozlovsky Genesis of a magnetite layer in the Gabbro-10 intrusion, Monchegorsk...exploration of sodium sulfate deposits, case study: Garmab mine, Semnan, Iran— Ahmad Afshar, Gholam-Hossain Norouzi...2018 In-situ LA-ICP-MS trace element analysis of magnetite from Mesozoic iron oxide apatite (IOA) deposits...smectite alteration in Seival mine Cu-mineralization - Camaquã Basin - Brazil (part II)—Eduardo Fontana, |  | Singh, Pradip K., Verma, Sanjeet K., Moreno, Juan A., Singh, Vinod K., Malviya, Vivek P., Oliveira, Elson P., Mishra, Sumit, Arima, Makoto (2019) Geochemistry and Sm Nd isotope systematics of mafic-ultramafic rocks from the Babina and Mauranipur greenstone belts, Bundelkhand Craton, India: Implications for tectonic setting and Paleoarchean mantle evolution. Lithos, 330. 90-107 doi:10.1016/j.lithos.2019.02.010 | Journal (article/letter/editorial) | | of Campinas – UNICAMP, 13083-970 Campinas, SP, Brazil 8 Department of Geology, School of Earth Sciences...3e). The other minerals include plagioclase, magnetite, quartz and epidote. AN Relict minor orthopyroxene...rocks have hornblende, tremolite-actinolite, magnetite, plagioclase and quartz. Amphibole and plagioclase...clinopyroxenes (Cpx) 2–3% and minor amount of magnetite and quartz (Table S1). In some places, the basaltic...alteration product of clinopyroxene. Secondary magnetite occurs along boundary of olivine grain, released |  | Shi, Kangxing, Wang, Changming, Bagas, Leon, Du, Bin, Yang, Lifei, Chen, Qi (2019) Genesis of the Hanwang Fe deposit in Neoarchean granite-greenstone succession of the eastern North China Craton. Ore Geology Reviews, 105. 387-403 doi:10.1016/j.oregeorev.2019.01.003 | Journal (article/letter/editorial) | | Taishan 22 granodiorite (TTGs). Magnetite–bearing amphibolite, magnetite–bearing quartz 23 amphibolite...is characterised 24 by subhedral to euhedral magnetite, pyrite with minor galena and BIF 25 laminations...units consisting of 15–30% Fe oxides (hematite ± magnetite) interbedded with 53 ~50% SiO2 (chert and silica...located in Australia, Russia, 77 Canada, USA, Brazil, India and South Africa (Urban et al., 1992; Adomako–...hosted by interlayered magnetite– 186 bearing quartz amphibolite and magnetite–bearing biotite amphibolite |  | | Report (issue) | | ore. Both actual size. A2 A. AB Reef, Denison Mine, Elliot Lake, Ontario. (Samples courtesy of V. Ruzicka...Leader Reef, about 1500 m depth, Blyvooruitzicht Gold Mine, Carletonville, Witwatersrand. (Sample courtesy...Simpson and Bowles. Brazil: T. Uranium in Precambrian Moeda Formation, Minas Gerais, Brazil, by Jose Nilson...also to be made by others in the United States, Brazil, the United Kingdom, Ger many, and Australia....table feed on deck of Wilfley table, Robinson Deep mine _______________________ A3 2. Graph showing uranium |  | | Report (issue) | | America........................................... Brazil............................................. Argenti...Shield-Bancroft district and nearby areas, (3) eastern Brazil areas, (4) Central and Western Europe, (5) southern...Africa, India, Madagascar, Finland, U.S.S.R., and Brazil); (2) at the margins and locally along the axial...Joachymov, Czechoslovakia, and at Schwartzwalder mine, Colorado, U.S.A.). Uranium deposits have been found...Mediterranean Sea from Morocco to Israel, and near Recife, Brazil . Uraniferous phosphorite fills large depressions |  | Ghosh, Rupam, Vermeesch, Pieter, Gain, Debesh, Mondal, Riya (2019) Genetic relationship among komatiites and associated basalts in the Badampahar greenstone belt (3.25–3.10 Ga), Singhbhum Craton, Eastern India. Precambrian Research, 327. 196-211 doi:10.1016/j.precamres.2019.03.013 | Journal (article/letter/editorial) | | supracrustal assemblage of pelitic schists, quartz–magnetite–cummingtonite schists, calc–gneiss and amphibolites...ubiquitous presence of tremolite (10-15 modal %) and magnetite (15-20%). Secondary minerals such as serpentine...4B). The coarse (2001000μm) pseudomorphic- and magnetite- crystals occur within the fine (20-100μm) serpentine–talc...radiating long (3-5 mm) skeletal/acicular crystals of magnetite and talc–serpentine pseudomorphs after olivine/orthopyroxene...consists tremolite–actinolite (50-70 modal %), magnetite (10-15 modal %) and serpentine–talc (20-30 modal |  | | Book | | Universidade Federal de Pernambuco, C.P. 7852, Recife, Brazil HARTWIG E. FRIMMEL Geodynamics & Geomaterials...Universitário, Asa Norte, Brası́lia, DF 70910-900, Brazil (alva1@unb.br) M. Babinski Centro de Pesquisas...Rua do Lago 562, CEP 05508-080, São Paulo, SP, Brazil (babinski@usp.br) M.A.S. Basei Centro de Pesquisas...Rua do Lago 562, CEP 05508-080, São Paulo, SP, Brazil (baseimas@usp.br) G.H. Blanco Department of Geology...Paulo, Rua do Lago, 562, São Paulo, SP 05508-080, Brazil (boggiani@usp.br) J. Bossi Cátedra de Geologı́a |  | | Report (volume) | | the Araras and Corumbá groups, Paraguay Belt, Brazil 487 FIGUEIREDO, M. F., BABINSKI, M. & ALVARENGA...J. S. The Serra Azul Formation, Paraguay Belt, Brazil 499 GUIMARÃES, J. T., MISI, A., PEDREIRA, A... L. The Bebedouro Formation, Una Group, Bahia (Brazil) 503 MISI, A., KAUFMAN, A. J., AZMY, K., DARDENNE...Neoproterozoic successions of the São Francisco Craton, Brazil: the Bambuı́, Una, Vazante and Vaza Barris/Miaba...Neoproterozoic Macaúbas Group, Araçuaı́ orogen, SE Brazil 523 ROCHA-CAMPOS, A. C., DE BRITO NEVES, B. B |  | | Journal (article/letter/editorial) | | 8-10 J U N E 30, 1919 OUTLINES OF THE GEOLOGY OF BRAZIL TO ACCOMPANY THE GEOLOGIC MAP OF BRAZIL1 BY JOHN............................ 199 Geologic maps of Brazil..................................................to the Society under the title “Geologic Map of Brazil.” X IV — B o l l . G eol . S oc . A m ., V o l... 190 J . C. BRANNER----OUTLINES OF THE GEOLOGY OF BRAZIL Page Tertiary...................................Matto Grosso.................................. 262 Minas Geraes......................................... |
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