 | | Report (issue) | | and Ore Deposits of the Nova Lima and Rio Acima Quadrangles Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL...the Departamento N acional da Producao Mineral of Brazil under the auspices of the International Cooperation...and Ore Deposits of the Nova Lima and Rio Acima Quadrangles Minas Gerais, Brazil By JACOB E. GAIR GEOLOGY...GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation |  | Vial, Diogenes Scipioni, DeWitt, Ed, Lobato, Lydia Maria, Thorman, Charles H. (2007) The geology of the Morro Velho gold deposit in the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 32 (3) 511-542 doi:10.1016/j.oregeorev.2004.12.008 | Journal (article/letter/editorial) | | elsevier.com/locate/oregeorev The geology of the Morro Velho gold deposit in the Archean Rio das Velhas greenstone...greenstone belt, Quadrilátero Ferrífero, Brazil Diogenes Scipioni Vial a,⁎, Ed DeWitt b , Lydia Maria...Doce-CVRD, BR 381, Km 459, Santa Luzia, MG, 33010-970, Brazil United States Geological Survey, Box 25046, Denver...Federal de Minas Gerais, Av. Antônio Carlos, 6627, Pampulha, Belo Horizonte, MG, 31270-901, Brazil d CTGS...Abstract The Morro Velho gold deposit, Quadrilátero Ferrífero region, Minas Gerais, Brazil, is hosted by |  | | Journal (article/letter/editorial) | | e r a l i z a t i o n in Central E a s t e r n Brazil: a review A. Bernasconi Terraconsult AG, Steinwiesstrasse24...the major Archaean terranes of central eastern Brazil is given in the first section of this paper. Integration...Jequie and Goias mobile belts of central eastern Brazil. This mineralization associated with greenstone...important Archaean gold districts of Brazil, the Iron Quadrangle of Minas Gerais (Fig. 1), was discovered. Recently...the Archaean gold metallogeny of central eastern Brazil based on the presently known major raineralized |  | | Journal (article/letter/editorial) | | the QuadrilaÂtero FerrõÂ fero region, Minas Gerais state, Brazil, one of the major gold provinces in the...intensely carbonatized rock (e.g., the giant Morro Velho mine with >450 t of contained gold). Metabasalts...Federal de Minas Gerais, Av. AntoÃnio Carlos 6627, Pampulha, Belo Horizonte, Minas Gerais, 31270-901...31270-901, Brazil E-mail: lobato@igc.ufmg.br Fax: +55-31-4995410 L.C. Ribeiro-Rodrigues FAPEMIG Bursary Recipient...Escola de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro, Ouro Preto, Minas Gerais, 35400-000 |  | | Journal (article/letter/editorial) | | pp. 775-798 GEOLOGY OF THE RAPOSOS GOLD MINE, MINAS GERAIS, BRAZ[I. GENE E. TOLBERT CONTENTS PAGE ............................................. Morro Velho zone ........................................sequence,which trends approximately east-west in the mine area, is intruded by diabase dikes that strike northeast... which is widely distributed in the Raposos-Morro Velho region and contains 0.31 percent Cr20 a. Arsenopyrite...depositsare similar to thoseat Morro Velho except that the hostrock at Morro Velho is a quartz-carbonate rock |  | Vial, D.S., Abreu, G.C., Schubert, G., Ribeiro-Rodrigues, L.C. (2007) Smaller gold deposits in the Archean Rio das Velhas greenstone belt, Quadrilátero Ferrífero, Brazil. Ore Geology Reviews, 32 (3) 651-673 doi:10.1016/j.oregeorev.2005.01.004 | Journal (article/letter/editorial) | | Velhas greenstone belt, Quadrilátero Ferrífero, Brazil D.S. Vial a,⁎, G.C. Abreu b , G. Schubert a , L...Vale do Rio Doce, BR 381, km 450, Santa Luzia, MG, Brazil Instituto de Geociências da Universidade de São...São Paulo, Rua Major Solbiat, 226, Torrinha, SP, Brazil Fundação Educacional de Caratinga, Fazenda Experimental...BR-116, Km 526, Bairro das Graças, Caratinga, MG, Brazil b c Received 26 June 2003; accepted 2 January...Pari, as well as the world-class deposits of Morro Velho and Cuiabá. All these deposits, whether large |  | | Report (issue) | | the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for International...Ferrifero, Minas Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL Prepared in cooperation with the Departmento Nacional da Produqao...Produqao Mineral of Brazil under the auspices of the Agency for International Development of the United...Ferrifero, Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological |  | | Journal (article/letter/editorial) | | ORIGIN OF THE ORES OF MINAS JOHN HIGH-GRADE GERAIS, VAN No. 1 BRAZIL HEMATITE • N. DORR, II...ABSTRACT The high-gradehematite depositsof Minas Gerais, Brazil, are those averagingmore than 66% Fe and...area of some7,000 squarekilometersin central Minas Gerais. Beginningin 1946, a group of Brazilian and...resourcesof this area; HIGH-GRADE HEMATITE ORES OF BRAZIL 3 theyhaveprepared topographic andgeologic mapsona...information concerningore analyses,exploration, reserves,mine maps, as well as the many other typesof aid so necessaryto |  | | 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 |  | | Journal (article/letter/editorial) | | Goldschmidt, Clarke and Washington. (4) In Northeastern Brazil, mostly in the State of Paraiba, intense mining...own investigation of gold-veinsin the State of Minas Gerais,and Hussakand Derby'sas well, with the purposeof...Passagem,Morro do Bule, and Bico de Pedra,in the municipalityof Ouro Preto, and of Morro Velho, in Nova Lima...Lima, besidesothers in the State of Minas Gerais, where structural investigation revealsa definitedistinctionof...full with findingsby the geologicsurvey of Mid Minas Gerais, where Proterozoic formations are located. |  | Teixeira, João Batista Guimarães, de Souza, Jorge André Braz, da Silva, Maria da Glória, Leite, Carlson Matos Maia, Barbosa, Johildo Salomão Figueiredo, Coelho, Carlos Eduardo Silva, Abram, Maisa Bastos, Filho, Valter Mônaco Conceição, Iyer, Sundaram S.S. (2001) Gold mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis. Mineralium Deposita, 36 (3) 332-344 doi:10.1007/s001260100174 | Journal (article/letter/editorial) | | mineralization in the Serra de Jacobina region, Bahia Brazil: tectonic framework and metallogenesis Received:...Serra de Jacobina region in Bahia, northeastern Brazil, occur in a belt of siliciclastic metasedimentary...UniversitaÂrio de Ondina, CEP 40170-290, Salvador, Bahia, Brazil E-mail: jbt@ufba.br M.B. Abram Companhia de Pesquisa...Administrativo da Bahia, CEP 41213-000, Salvador, Bahia, Brazil V.M.C. Filho Companhia Baiana de Pesquisa Mineral...Administrativo da Bahia, CEP 41750-300, Salvador, Bahia, Brazil S.S.S. Iyer Department of Physics and Astronomy |  | | Report (issue) | | Development of the Quadrilatero Ferrifero Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Development of the Quadrilatero Ferrifero Minas Gerais, Brazil By JOHN VAN N. DORR 2d REGIONAL GEOLOGY...GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-A...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International |  | | Report (issue) | | Resources of the Pico de Itabirito District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL Prepared...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...District Minas Gerais, Brazil By ROBERTS M. WALLACE GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-F Prepared in cooperation with the Departamento...Departamento Nacional da Producao Mineral of Brazil under the au-spices of the Agency for International Development |  | | Report (issue) | | Horizonte, Ibirite, and Macacos Quadrangles Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-D...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation...Quadrangles Minas Gerais, Brazil By JOEL B. POMERENE GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-D Prepared in cooperation with the Departamento...Departamento Nacional da Producao Mineral of Brazil under the auspices of the International Cooperation Administration |  | | Book | | On a spectacular find of crocoite in the Adelaide mine, Dundas, Tasmania (by A. H. Chapman) 3:111-113 ADOLFSSON...AJO Famous mineral localities: the New Cornelia mine, Ajo, Arizona (by W. J. Thomas & R. B. Gibbs) 14:283-298...ALLEN, GEORGE B. --and W. Hunt: The Tonopah-Belmont mine, Maricopa County, Arizona 19:139-144 ALLGOOD, GENNE...Allgood, C. Williams: Ramsdellite from the Mistake mine [Arizona] 14:333-335 ALLGOOD, ROBERT W. -with G...the Mistake mine [Arizona] 14:333-335 ALMA Famous mineral localities: the Home Sweet Home mine, [near Alma |  | | Journal (article/letter/editorial) | | and occurrences of the CrixaÂs Gold®eld, central Brazil Received: 14 November 1999 / Accepted: 18 February...Gold production in the state of GoiaÂs, central Brazil, began in the 18th century, when the bandeirantes...bandeirantes (Portuguese Far West pioneers of colonial Brazil) recovered gold mostly from alluvial and, locally...BrasõÂ lia, P.O. Box 04421, BrasõÂ lia 70919-970, Brazil E-mail: hjost@tba.com.br did the region became...Grande S.A., a joint venture of MineracËaÄo Morro Velho (Anglo-American) and INCO. At about the same |  | | Journal (issue) | | p&pl pe, u ay. ---------� MINERALS Chlorites, Fuchsite, Tantalite GROUNOWORK On the Mineral Trail: ...(Australia); Cerintllie (Austrial; Antonio Coe lho Mine, Espirito Santo (Brazi ll; Ontario and Quebec ICanadal;...Crestmore, Riversi de County (Cali fornia); the Empire Mine, Custer County (Idaho); Franklin (New Jerseyl. ...HOttenberg (Austri a); Morro Velho gold mine, Ouro Prato, Minas Gerais (Brazil): Mont Saint-Hila ire, |  | | Journal (article/letter/editorial) | | scheelite and distinctive green, Cr-Va-Ba muscovite (fuchsite-mariposite) common accessory minerals Sb, Bi,...clasts of auriferous pyrite 1422 E drift, Pamour Mine, Timmins, Ontario. 354 R.W. HUTCHINSON Fig....(right) facies ironformation (exposure south of Mine Doyon pit, Cadillac, Quebec ). Fig. 3 (d). Single...ankeritic walls and quartz core ( 12th level, Dome Mine, South Porcupine, Ontario ). contain more sediment-hosted...minerals in dump samples from a small, abandoned gold mine. Nickel ores are also coregional with the gold and |  | | Journal (article/letter/editorial) | | are sincerely thanked for permission to access the mine. The manuscript benefitted immensely from constructive...1996. Structural geology of the Goudplaats Gold mine, Amalia. Unpublished company report, Amalia Gold...mineralogy of the Abelskop section, Amalia gold mine, and the geochemical signatures related to mineralization...Archean precious-metal hydrothermal systems, Dome Mine, Abitibi greenstone belt. II. REE and oxygen isotope...156-168. Kerrich, R., Watson, G.P.,1984. The Macassa mine Archean lode gold deposit, Kirkland Lake, Ontario: |  | | Book | | SMLS Chair 2022 Botallackite (Xtals 3mm) Bunmahon Mine, Copper Coast, Eire. Photo:John Hall CONTENTS...to descend the hydraulic shaft in the Smallcleugh Mine and we bought an inflatable dinghy so we could land...had found. Photo 3. Chalcanthite (7cm). Nangiles mine, Cornwall. Whilst at school in Cornwall I was fortunate...fortunate to have a trip down th e Nangiles mine, when the initial exploration for Wheal Jane was being...being carried out. I recall that the air in the mine was rather acrid, due to the oxidation of the abundant |  | | Journal (article/letter/editorial) | | Springer-Verlag 2006 Abstract The Kalahari Goldridge Mine is located within the Archaean Kraaipan Greenstone... the development of the Kalahari Goldridge gold mine in the 1990s has assisted in a greater understanding...open-pit operations and rare outcrops outside of the mine area Coarse-grained olive-green chlorite occurs...(Fig. 6) are dominant at the Kalahari Goldridge mine and are closely associated with gold mineralisation...deposit suggests that at the Kalahari Goldridge Mine, the D2 and D3 deformational events did not cause |  | | | | 75 franklinite 24 freibergite 11 frigidite 11 fuchsite 104 gadolinite 85 gahnite 24 galaxite 24 heliodor...centuries that other deposits were found in Brazil (Minas Gerais) and South Africa (Transvaal, along the...especially near Kimberley); diamonds from the Kimberley mine are embedded in ultrabasic blue rock called kimberlite...carats, equal to 621 grams) was found at the Premier Mine; named the Cullinan diamond, it was presented to...brown opaque octahedrons in clay at Destricella Mine near Raddusa (Enna) in Italy. A brief mention should |  | | Book | | Keweenaw area of north Michigan; at the Copper Queen mine, Bisbee, Arizona and at Georgetown, New Mexico....deposits occur at the Klondike, Yukon Territory, in Nova Scotia and Ontario. Treatment. Gold is dissolved...mines being in the Madras area; in Brazil, from Diamantina, Minas Gerais; from South Africa in a number of...areas including Kimberley, Pretoria (the Premier mine is in this area), and Jagersfontein in the Orange...Localities. Lead is found in Sweden at the Harstig mine, Pajsberg; from the gold placers of the Ural Mountains |  | | Report (issue) | | BRECATN| GeLa TS! sreiersie cisisiatee s Morro Velho-Raposos Serramder Jacopina, ......)s:s.se...between galena sphalerite, Darwin Lead-Silver-Zinc mine, Inyo County, California, Econ. Geol., v. 66, p..., Bingham 1971, mining U. xiii S. study mine, of the '"'B" limestone Bingham mining The age...Finally, to that fine group of scientists and men, the mine geologists of the Americas, who have taken time...British White, D., 1968, 1961, 6, p. 39-50, 52 mine now in production: (particularly, of the Brenda |  | | Report (issue) | | Mineral Resources of the Congonhas District Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 290...the Departamento N acional da Produfao Mineral of Brazil under the auspices of the International Cooperation...Mineral Resources of the Congonhas District Minas Gerais, Brazil By PHILIP W. GUILD GEOLOGICAL SURVEY ...Departamento N acional da Produ~ao M,ineral of Brazil under the auspices of the International Cooperation...__________________ _ Iron region of central Minas Gerais _______________ _ Congonhas district_ ________________________ |
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