 | Gomide, Caroline Siqueira, Brod, José Affonso, Junqueira-Brod, Tereza Cristina, Buhn, Bernhard Manfred, Santos, Roberto Ventura, Barbosa, Elisa Soares Rocha, Cordeiro, Pedro Filipe Oliveira, Palmieri, Matheus, Grasso, Carla Bertuccelli, Torres, Murilo Gomes (2013) Sulfur isotopes from Brazilian alkaline carbonatite complexes. Chemical Geology, 341. 38-49 doi:10.1016/j.chemgeo.2013.01.006 | Journal (article/letter/editorial) | | de Brasília (UnB), CEP 70910-900, Brasília, DF, Brazil Instituto de Estudos Sócio-Ambientais, Universidade... Caixa Postal 131, CEP 74001-970, Goiânia, GO, Brazil Laboratório Multiusuário de Microscopia de Alta... Caixa Postal 131, CEP 74001-970, Goiânia, GO, Brazil d Anglo American, Mineração Catalão Ltda, Rodovia...s/n - Fazenda Chapadão, Zona Rural, Ouvidor, GO, Brazil e Vale Fertilizantes, Fazenda Chapadão, s/n - Zona...Zona Rural, CEP 75701-970, Catalão, GO, Brazil f Universidade Católica de Brasília, QS 07 lote 01 EPCT |  | Gomes, Celso de Barros, Comin-Chiaramonti, Piero, Azzone, Rogério Guitarrari, Ruberti, Excelso, Rojas, Gaston Eduardo Enrich (2018) Cretaceous carbonatites of the southeastern Brazilian Platform: a review. Brazilian Journal of Geology, 48 (2) 317-345 doi:10.1590/2317-4889201820170123 | Journal (article/letter/editorial) | | Universidade de São Paulo – USP, São Paulo (SP), Brazil. E-mails: cgomes@usp.br, rgazzone@usp.br, exrubert@usp...carbonatite occurrences of different regions of Brazil, Paraguay and Bolivia. Locality Occurrence Petrography...Petrography Mineralogy Age References BRAZIL Ribeira Valley 1 Barra do Itapirapuã Dike, vein, breccia..., Flo, Op (Hm, Il), Ch n.d. 75, 76 15 Araxá (Barreiro) Stock, dike Mg-ca, Ca-ca, Fe-ca Gl, Py,...Toniolo et al. (2013); 76, Monteiro et al. (2016); Araxá: 77, Issa Filho et al. (1984); 78, Traversa et al |  | | Report (volume) | | workshop held December 1-10,1986, in Belo Horizonte, Brazil, was hosted by the Institute Brasileiro de Mineragao...Quintas, Mineragao Morro Velho Club, Nova Lima, Brazil December 4,1986 1. 2. 3. 4. 5. Sergio C. Guedes...Quadrilatero Ferrffero, Minas Gerais, Brazil Workshop: Belo Horizonte, Brazil, December 1-10,1986 Sponsors:...Data Gold deposits related to greenstone belts in Brazil Deposit modeling workshop; Part A Excursions /...deposits related to greenstone belts in Brazil, Belo Horizonte, Brazil, 1986, by Charles H. Thorman and Eduardo |  | de Abreu Cunha, Ioná, Misi, Aroldo, Babinski, Marly, Iyer, Sundaram Sankara S. (2007) Lead isotope constraints on the genesis of Pb–Zn 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) | | deposits in the Neoproterozoic Vazante Group, Minas Gerais, Brazil Ioná de Abreu Cunha a , Aroldo Misi a,⁎...Universidade Federal da Bahia, Salvador, BA 40210-340, Brazil Centro de Pesquisas Geocronológicas, Instituto...Rua do Lago, 562, São Paulo, CEP 05508-080, SP, Brazil c Department of Physics and Astronomy, University...the western border of the São Francisco Craton, Brazil, hosts the largest Zn–Pb district in South America...deposits; Vazante Group; Neoproterozoic metallogeny; Brazil 1. Introduction The Neoproterozoic Vazante Group |  | 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...Aravalli Supergroup (northwestern India), the Minas Supergroup (Brazil), and new sections of the Paso Severino |  | | Report (issue) | | gram per cubic centimeter PbS lead sulfide (galena) ppb part per billion ppm part per million...Resources of the United States—Barite (Barium) galena (PbS), sphalerite (ZnS), and (or) gold- or silver-bearing...drusy quartz, and jasperoid), sulfide minerals (galena, marcasite, pyrite, and sphalerite), clay minerals...within sedimentary rocks where it is associated with galena and, less commonly, anglesite, barite, and barytocalcite...Zhayrem (Gauert, 2001). 80° Neuquen-Mendoza Araxá Camamu 0° Jameson Land basin Jbel Irhoud 45° |  | | Journal (article/letter/editorial) | | Theseprovincesare borderedby noncordilleranunitsof the Brazil and GuyanaShields, the Arequipa massif,and the...Chafiarcillo Unnamedprospect LomasBayas SierraLa Galena Capillitas LasTunas Los Morteros LambertCond. Condoriaco...in nearby andremarkablyrestrictedranges(Barreiro,1984). Barreiro (1984) concludesthat the homogeneity of...becausecompositions of nodules Tatsumoto(1976), Tilton and Barreiro (1980), Dasch (1981), Harmon et al. (1984), and...and pelagicsediments (Dasch, 1981). The modelof Barreiro(1984) suggests thatthe subAndeanmantlewedgemay |  | | Journal (article/letter/editorial) | | 1304 ,4. W. MACFARI_•NE AND U. PETERSEN ß / BRAZIL PAC•qC ocE• L '"' Scale (km.) • ;•? i 86052...magmasourcesand crust-mantleinteractions(e.g., Tilton and Barreiro, 1980; James,1982; Harmon et stratiform deposits...sedand (2ø6pb/2ø4pb = 16.01-17.09; Tilton and Barreiro, thusretain mostof their originaltextureandchemical...ndbiotitewith abundantapa- luzonite,sphalerite,galena,molybdenite,chalcopytite, magnetite,ilmenite, and...date of 11.8 association consistingof sphalerite,galena,chalco_ 0.6 Ma (R. Borredon,unpub.data).Althoughwe |  | | Journal (issue) | | mining-themed park was approved in 2000, and the Minas de Almadén y Arrayanes The Mineralogical Record...of the mines has been the responsibility of the Minas de Almadén y Arrayanes (MAYASA), a State-owned company...was at that time Governor of the Almadén mines (Barreiro, 1992). From 1776 to 1784, King Carlos III commissioned...others, several specimens of cinnabar from Almadén (Barreiro, 1992). In 1791, the Assistant Director of the...pyritohedral crystals are “plated” by a thin layer of galena, giving them 34 Figure 45. Ankerite crystals (rhombohedral) |  | | Journal (article/letter/editorial) | | THE DIAMOND-B[SARING MINAS REGION OF NORTHERN GERAES, BRAZIL. LUCIANO J. MORAES AND DJALMA GUIMAR_•ES...diamond-bearing regionin the northernpart of the Stateof Minas Geraesstretchesfrom the head-watersof the Jequitinhonha...northeasternflanks of Serra do Cabral, such as Burity Grande,Barreiro, Jequitahy,and othersoccurin the valleyof the...situatedthe principal mineral depositsof economicvalue to Brazil, such as iron, man- ganese,gold, and diamonds...meters. 502 DIAMOND-BEARING REGION 44ø OF BRAZIL. 5o3 43" MAP OF THE DIAMONDRE510NOF NORTHERN |  | | Journal (article/letter/editorial) | | Cooper 1971). More recently, U–Pb and Rb–Sr ages (Barreiro & Cooper 1987, Cooper et al. 1987) and K–Ar studies...pyrite, pyrrhotite, chalcopyrite, sphalerite, and galena. Modal analyses calculated from whole-rock (XRF)...Institution of Washington, using techniques outlined by Barreiro & Cooper (1987). Mineral Chemistry Representative...albite, aegirine, monazite, sphalerite, pyrite, galena and apatite. Its composition is set down in Table...Sulfur isotope fractionation among sphalerite, galena and pyrite in norsethite- and siderite-rich carbonatites |  | | Journal (article/letter/editorial) | | magmaticprocesses in the Andes since McNutt et al. (1979), Barreiro and Clark (1984), and Harmon et al. (1984) presentedPb...Hydrothermal processes havebeen studiedby Tilton and Barreiro (1980), Tilton (1979), and Tilton et al. (1981)...basisof Pb isotoperatios from ore minerals(not galena)and other isotopicand geochemicalstudies in the...was like that for the Arequipa massif.However, Barreiro and Clark (1984) tismare knownin the high Andesof...et al. (1968) is usedin order 34 ø and 42 ø S. Barreiro and Stern (1982) and Stern to standardizePb ratios |  | | Journal (article/letter/editorial) | | whole-rock U and Pb contents. However, K-feldspar and galena, associated with this suite, indicate initial Pb...(2°sPb/2°4Pb only); K-feldspar (ksp) sample 10; and a galena (Stacey et al., 1980) from Fawkihr pluton (our...Mariana intra-oceanic island arc (Meijer, 1976; Barreiro et aL, 1981) and Andean Arequipo and Barosso volcanics...examples of granulite contamination (Tilton and Barreiro, 1980), as well as the initial ratios of eastern...Initial 36 15.8 O YOUNGER GRANITE + DOKHAN * OTG GALENA, Stacey et al., 1980 O~j~ Sierras .~0 O4 15 |  | | Journal (article/letter/editorial) | | Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil) Ingrid.W. Hadlich, Artur C. Bastos Neto, Nilson...Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil), Ore Geology Reviews (2019), doi: https://doi...Madeira Sn-Nb-Ta world-class deposit (Pitinga, Brazil). Ingrid. W. HADLICH1, Artur C. BASTOS NETO2, Nilson...Bento Gonçalves 9500, Porto Alegre, 91501-970, RS, Brazil. ingrid.hadlich@ufrgs.br. 2 Instituto de Geociências...Bento Gonçalves 9500, 91501-970, Porto Alegre, RS, Brazil. artur.bastos@ufrgs.br, vitor.pereira@ufrgs.br |  | | 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 |  | Dressel, Bárbara Carolina, Chauvet, Alain, Kouzmanov, Kalin, Trzaskos, Barbara, Bruguier, Olivier, Monié, Patrick, Villanova, Sandro Notto, Newton, José Bazille (2022) The Passa Três Granite Intrusion-Related/Hosted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and Sulphur Isotope Constraints. Minerals, 12 (4) 407 doi:10.3390/min12040407 | Journal (article/letter/editorial) | | ted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and...ted Neoproterozoic Gold Deposit (Paraná State, Brazil): Mineralogical, Geochemical, Fluid Inclusion and...Heráclito dos Santos, 210, Curitiba 81531-970, PR, Brazil; barbaratrzaskos@ufpr.br Capes-PDSE Scholarship...Foundation, Ministry of Education of Brazil, Brasília 70040-020, DF, Brazil Department of Earth Sciences, University...803-Lt. São Gerônimo, Campo Largo 83606-177, PR, Brazil; sn.villanova@gmail.com (S.N.V.); josebazille@hotmail |  | Kamenov, G., Macfarlane, A. W., Riciputi, L. (2002) Sources of Lead in the San Cristobal, Pulacayo, and PotosiMining Districts, Bolivia, and a Reevaluation of Regional Ore Lead IsotopeProvinces. Economic Geology, 97 (3) 573-592 doi:10.2113/gsecongeo.97.3.573 | Journal (article/letter/editorial) | | and sometimes Th during metamorphism (Tilton and Barreiro, 1980; Tosdal, 1996). Other Precambrian terranes...with base-metal ores (cassiterite, sphalerite, and galena) predominating at lower levels. Silver was discovered...volcaniclastic rocks of the Upper Quehua Formation. Galena, sphalerite, pyrite, and chalcopyrite occur in...rocks. Silver occurs as native Ag or argentiferous galena. Mineralization in the Toldos area consists of...sphalerite, tetrahedrite, freibergite, argentiferous galena, and chalcopyrite associated with abundant pyrite |  | | Journal (article/letter/editorial) | | supply was dominated by one or few deposits (e.g. Araxá for Nb, Bayan Obo for REE) generated little exploration...(1966) has 15% Fe; this is not an ore, but the Minas Gerais “itabirite”, with 40% Fe, will soon be mined...veins and shear zones like Obuasi or Paracatu (Brazil), with or without gold, also reside in “black shales”...mineralization underneath, as in Igarapé Bahía, Brazil and Boddington, Western TE Australia. Boddington...Alemão IOCG orebody in the Igarapé Bahia deposit, Brazil; Merlin D high-grade shear-related Mo orebody |  | | Book | | SERRA DA CAPIVARA Andrea Bartorelli 16c - CAMPOS GERAIS DO PARANÁ Mário Sérgio de Melo, Gilson Burigo Guimarães...investigados porque sua atuação se deu sob leis gerais idênticas às que vigoram hoje. O Princípio do Uniformitarismo...de um divulgador em Ciência apontar os “traços gerais” e os “princípios instigantes” da natureza por...seus pormenores, e deles extrair algumas linhas gerais. Convidamos o leitor a apreciar esse conjunto de...oferecem classificações variadas, mas, em linhas gerais, existe certa congruência na grande maioria delas |  | | Book | | crandallite from the Alto Benedeto pegmatite, Parai'ba, Brazil (by J.P. Cassedanne & L. Barreto) 22: 183-185 ALTO...Burian goyazite from [Alto Bernardino, Paraiba,] Brazil (by J. S. White, Jr.) 12:379 ALUMOHYDROCALCITE...and muscovite from the Ze Pinto prospect, Minas Gerais, Brazil 21:405-408 --with J.P. Cassedanne: Crystallized...Pitora, Minas Gerais, Brazil 21:409-412 --with J. P. Cassedanne: The Jaguara~u pegmatite, Minas Gerais, Brazil...and platinum from C6rrego Born Sucesso, Minas Gerais, Brazil 23:471-474 AMARGOSA DESERT Hydroboracite |  | Melgarejo, Joan C., Costanzo, Alessandra, Bambi, Aurora C.J.M., Gonçalves, Antonio O., Neto, Andrés B. (2012) Subsolidus processes as a key factor on the distribution of Nb species in plutonic carbonatites: The Tchivira case, Angola. Lithos, 152. 187-201 doi:10.1016/j.lithos.2012.06.024 | Journal (article/letter/editorial) | | economic point of view: the Seis Lagos deposit in Brazil, the largest Nb deposit in the world, has reserves...1959), Mrima Hill in Kenya (Harris, 1965) and Araxá in Brazil (i.e., Traversa et al., 2001). The Tchivira...hydrothermal associations, including barite, strontianite, galena, hollandite, coronadite and gorceixite. These mineral...International Geological Congress, Rio de Janeiro, Brazil, pp. 755–850. Dawson, J.B., Hinton, R.W., 2003...pyrochlore-group minerals from the Lueshe and Araxá (Barreiro) carbonatites by 57Fe Mössbauer spectroscopy |  | | Journal (article/letter/editorial) | | and celsian, in hydrothermal veins of sphalerite, galena, pyrite, siderite and calcite associated with a...intrusion of mantle-derived lamprophyric magmas (Barreiro and Cooper, 1987) is thought to relate to tensional...5o8Cal .o24 (CO3)2)-pyrite-pyrrhotite-sphalerite-galena-chalcopyrite-monazite-baotite Twirligig OU66211:...carbonate (possibly burbankite)-pyrite-sphalerite-galena-chalcopyrite-baotite O k u r u R i v e r area....(Fel o7oMno.03oMgo.895(CO3)z)-apatite-magnetite-galena-baotite Field and petrographic characteristics |  | Kontak, Daniel J., Cumming, George L., Krstic, Dragan, Clark, Alan H., Farrar, Edward (1990) Isotopic composition of lead in ore deposits of the Cordillera Oriental, southeastern Peru. Economic Geology, 85 (7) 1584-1603 doi:10.2113/gsecongeo.85.7.1584 | Journal (article/letter/editorial) | | Mineralabbreviations: Cpy = chalcopyrite,Gal = galena,Ht = Hematite,Mo = molybdenite,Mn = manganeseoxide...producerof Pb and Zn in the region. Sphalerite,galena,pyrite, and marcasite(secondaryafter pyrrhotite)...someof the elevated =ø6Pb/=ø4pb values(to 19.0,Barreiro,1984), and recently acquireddata for the stronglyperaluminous...et al., 1979), southeastern Peru (pre-Miocene,Barreiro and Clark, 1984), and centralChile (Sternet al...comparedto data andBolivianigneousrocksof the Main Arc (Barreiro for a varietyof potentialsourcereservoirsfor the |  | Walter, B.F., Parsapoor, A., Braunger, S., Marks, M.A.W., Wenzel, T., Martin, M., Markl, G. (2018) Pyrochlore as a monitor for magmatic and hydrothermal processes in carbonatites from the Kaiserstuhl volcanic complex (SW Germany) Chemical Geology, 498. 1-16 doi:10.1016/j.chemgeo.2018.08.008 | Journal (article/letter/editorial) | | (Mitchell, 2015). Three mines are in operation today: Araxá and Cataláo-II (Brasil) and St. Honoré (Canada)...accessories include sulfides (pyrite, pyrrhotite, galena, NU sphalerite, chalcopyrite), barite and rare...of the Barreiro carbonatitic complex, SC Araxá, MG, Brazil. Carbonatitic complexes of Brazil: geology: |  | | Journal (article/letter/editorial) | | association and the unclassified Unturos-Chacaya galena and pyrite depositshowa wide Pb isotopescatterin...chalcopyrite.Magnetite,sphalerite, arsenopyrite, bornitc,galena,ilmenite,molybArequipa region. denitc, and pyrrhotite...veinschieflyconsistof quartz,pyrite, calcite, chalcopyrite,galena,sphalerite,and arsenopyrite. Smallamountsof goldmaybe...abundant phasesin the veins.Apatite,calcite,quartz,galena, sphalerite,and chloriteare presentonly locally...respectively,Fig. 1). The Surcodepositocdominantlyof galena,chalthe FrancesitaLindavein is hostedby a granodiorite |
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