 | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...McReath Spine photograph: Crystal of multicolored tourmaline (84 x 26 mm), Lavra do Sapo, Ferruginha, Conselheiro...Fineart Print Inside cover photographs: "Parafba" tourmaline (25 x 6 mm), Sao Jose da Batalha, Parafba. Courtesy...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 |  | Coelho, Mariana Barroso, Trouw, Rudolph Allard Johannes, Ganade, Carlos E., Vinagre, Rodrigo, Mendes, Júlio Cezar, Sato, Kei (2017) Constraining timing and P-T conditions of continental collision and late overprinting in the Southern Brasília Orogen (SE-Brazil): U-Pb zircon ages and geothermobarometry of the Andrelândia Nappe System. Precambrian Research, 292. 194-215 doi:10.1016/j.precamres.2017.02.001 | Journal (article/letter/editorial) | | overprinting in the Southern Brasília Orogen (SE-Brazil): U-Pb zircon ages and geothermobarometry of the... Rudolph Allard Johannes Trouw, Carlos E. Ganade de Araujo, Rodrigo Vinagre, Júlio Cezar Mendes, Kei...article as: M.B. Coelho, R.A.J. Trouw, C.E. Ganade de Araujo, R. Vinagre, J.C. Mendes, K. Sato, Constraining...overprinting in the Southern Brasília Orogen (SE-Brazil): U-Pb zircon ages and geothermobarometry of the...overprinting in the Southern Brasília Orogen (SE-Brazil): U-Pb zircon ages and geothermobarometry of the |  | | Report (issue) | | MINISTERIO DE MINAS E ENERGIA COMPANHIA DE PESUISA DE RECURSOS MINERAIS PROJECT REPORT Brazil Investigations...Investigations (IR)BR-74 TUNGSTEN RESOURCES OF BRAZIL U. S. Geological Survey OPEN FILE REPORT This report...standards or nomenclature 1974 TUNGSTEN RESOURCES OF BRAZIL By Max G. White CONTENTS Pages ABSTRACT .......tungsten in Brazil ........ 7 SCHEELITE DEPOSITS ...................... 7 Northeast Brazil. ..........Production, reserves, and resources potential .... 12 Rio Grande do Sul .................... 16 Location |  | | Book | | until he managed to reach the land of his dreams, Brazil. A specialist in the field of geology and mineralogy...crystals and the remarkable mineral treasures of Brazil, as well as the incredible adventures and difficulties...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL Cyan Magenta Yellow Black 1 Delev Ilia Deleff...UNIQUE MINERALS IN WORLD MUSEUMS GEM TREASURES OF BRAZIL SOFIA–MOSCOW 2004 3 Cyan Magenta Yellow Black...MINERAL TREASURES OF BRAZIL 76 85 AN OUTLINE OF THE MINERAL RESOURCES OF BRAZIL ORIGIN OF GIANT CRYSTALS |  | | Report (volume) | | Minas Gerais Brazil GEOLOGICAL SURVEY BULLETIN 964-C Mica Deposits in Minas Gerais Brazil By W. T....A. L. M. BARBOSA and RESK FRAYHA, DIVISSO DE FOMENTO, BRAZIL GEOLOGIC INVESTIGATIONS IN THE AMERICAN... 964-C Prepared in cooperation with the Divisao de Fomento da Produgao Mineral Departamento Nacional...da Produgao Mineral, Ministerio da Agricultura, Brazil, under the auspices of the Interdepartmental Committee...__________-___---_____---_-________ Exports of sheet mica from Brazil, 1900-1945-___-__-_______----______ General statement |  | | Journal (article/letter/editorial) | | DIAMOND-B[SARING MINAS REGION OF NORTHERN GERAES, BRAZIL. LUCIANO J. MORAES AND DJALMA GUIMAR_•ES. TuF...The last-namedplace lies on the watershedof the Rio Pardo, which enters the Atlantic a little below...River and nearlyall its tributaries,includingthe Rio Arassuahy. South of Diamantina, the Parafina River...equallydiamantiferous. The Parafinais a tributary of Rio das Velhas, as is also Rio Pardo Grande, which drains the diamond-bearingregion...diamond-bearingregion of S5o Jo5o da .Chapadaand Corrego Novo. Rio das Velhas is one of the main eastern tributaries |  | | Journal (article/letter/editorial) | | of the States of Bahia, Espõ rito Santo and Rio de Janeiro. The EBPP is the largest pegmatite province...districts are leaders in the production of gemquality tourmaline, aquamarine, morganite, and contain abundant...Centro de Pesquisa Prof. Manuel Teixeira da Costa, Instituto de GeocieÃncias, Universidade Federal de Minas...AntoÃnio Carlos 6277, 31 000 Belo Horizonte MG, Brazil the context of emerald mineralization, but seem...Argentina, (2) the north-eastern or Borborema in Brazil, and (3) the Eastern Brazilian. A description of |  | Vial, D.S., Duarte, B.P., Fuzikawa, K., Vieira, M.B.H. (2007) An epigenetic origin for the Passagem de Mariana gold deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil. Ore Geology Reviews, 32 (3) 596-613 doi:10.1016/j.oregeorev.2005.03.017 | Journal (article/letter/editorial) | | for the Passagem de Mariana gold deposit, Quadrilátero Ferrífero, Minas Gerais, Brazil D.S. Vial a,⁎, B...— Companhia Vale do Rio Doce, BR381, Km 459, Santa Luzia, MG, Brazil Faculdade de Geologia da Universidade...Estado do Rio de Janeiro, Rua São Francisco Xavier, 524, Maracanã, Rio de Janeiro, RJ, Brazil c CDTN-Centro...CDTN-Centro de Desenvolvimento da Tecnologia Nuclear, Rua Mário Werneck, s/n, Campus UFMG, Pampulha, Belo Horizonte...Horizonte, MG, Brazil d Companhia Vale do Rio Doce, BR262, Km 296, Santa Luzia, MG, Brazil b Received |  | | Report (issue) | | (AOO) TIN RESOURCES OP BRAZIL by Max G. White CONTENTS Page ABSTRACT .......................................... 8 Principal producers of tin in Brazil. .......... 8 Exports, imports and consumption...resources potential. ... 19 Cavalcante and Monte Alegre de Goias deposits ...... 20 Bahia ..................resources potential ...... 21 TIN DEPOSITS continued Rio Grande do Sul ..................... 23 Location...Sab Paulo ......................... 26 Parafba, Rio Grande do Norte, and Geara .......... 26 Amapa |  | | Journal (article/letter/editorial) | | Mineral Depositsof Brazil Introduction:Brazil, The SleepingResourceGiant A. KASHIDA, Rio Doce Geologiae MineracaoS...A., Av. PresidenteWilson, 231-22ø, Rio de Janeiro,CEP 20030, Brazil L. LOBATO, Departmentof Geology,Federal...Universityof Minas Gerais,BeloHorozonte,31 270, Brazil Z. LINDENMEYER, Rio Doce Geologiae MineracaoS.A., Av. PresidenteWilson...PresidenteWilson,231-22ø, Rio de Janeiro,CEP 20030, Brazil AND W. S. FYFE GeologyDepartment,Universityof...Ontario, CanadaN6A 5B7 GIVENthe sizeandgeologyof Brazil, the potentialof its mineralindustryis far from |  | Cabral, A. R., Lehmann, B., Sattler, C. D., Pires, F. R. M., Kaneko, K. (2002) Hg–Tl-bearing manganese oxide from Conta História manganese deposit, Quadrilátero Ferrifero, Minas Gerais, Brazil. Applied Earth Science, 111 (2) 123-127 doi:10.1179/aes.2002.111.2.123 | Journal (article/letter/editorial) | | deposit, Quadrilátero Ferrifero, Minas Gerais, Brazil occur in the Palaeoproterozoic Itabira Iron Formation...the world-class iron district of Minas Gerais, Brazil, numerous manganese oxide deposits Table 1 Bulk-rock...Minas Supergroup rests unconformably on the Archaean Rio das Velhas greenstone belt. The rocks of the Minas...crystals are locally abundant.6 Schorl-rich dravitic tourmaline is also associated with the matrix cryptomelane...replaced by pyrolusite, p. Fractured crystals of tourmaline, t, as well as martite, m, occur in matrix cryptomelane |  | Mendes, Julio Cezar, Ávila, Ciro Alexandre, Pereira, Ronaldo Mello, Heilbron, Mônica P.L., Moura, Candido A.V. (2006) 207Pb/206Pb-ages of zircons from syn-collisional I-type porphyritic granites of the central Ribeira belt, SE Brazil. Gondwana Research, 9 (3) 326-336 doi:10.1016/j.gr.2005.11.004 | Journal (article/letter/editorial) | | porphyritic granites of the central Ribeira belt, SE Brazil Julio Cezar Mendes a,*,1, Ciro Alexandre Ávila...1 a c Departamento de Geologia, IGEO-Universidade Federal do Rio de Janeiro (UFRJ), Cidade Universitária...Universitária, 21949-900, Rio de Janeiro, Brasil b Departamento de Geologia e Paleontologia, Museu Nacional...Federal do Rio de Janeiro (UFRJ), Quinta da Boa Vista, 20940-040, Rio de Janeiro, Brasil Faculdade de Geologia...Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-013, Rio de Janeiro, Brasil d |  | Cabral, Alexandre Raphael, Wiedenbeck, Michael, Koglin, Nikola, Lehmann, Bernd, de Abreu, Francisco R. (2012) Boron-isotopic constraints on the petrogenesis of hematitic phyllite in the southern Serra do Espinhaço, Minas Gerais, Brazil. Lithos, 140. 224-233 doi:10.1016/j.lithos.2012.01.011 | Journal (article/letter/editorial) | | the southern Serra do Espinhaço, Minas Gerais, Brazil Alexandre Raphael Cabral a,⁎, Michael Wiedenbeck...b, Nikola Koglin c, Bernd Lehmann a, Francisco R. de Abreu d a Mineral Resources, Technische Universität...Votorantim Metais, Praça Ramos de Azevedo 206, 01037-010 São Paulo-SP, Brazil b c a r t i c l e i n f o...Keywords: Tourmaline Boron isotopes SIMS Hematitic phylite Southern Serra do Espinhaço Brazil a b s t...the southern Serra do Espinhaço, Minas Gerais, Brazil. The lower units also comprise rocks with locally |  | | Journal (issue) | | Minas Gérais, Brazil. See 'The location, geology and mineralogy of gem tourmalines in Brazil' on pp. 263-98...location, geology and mineralogy of gem tourmalines in Brazil Jacques P. Cassedanne, Dr. Sc. *, and Maurice Roditi...240, Rio de Janeiro ** Roditi Jewellers, Rua Visconde de Piraja, 482, 22.410.002, Rio de Janeiro Abstract...from granitic pegmatites and detrital deposits. Tourmaline-bearing pegmatites, which commonly are lensshaped... as are the crystals that they contain. The tourmaline-bearing pegmatites mainly consist of K-feldspar |  | | Journal (article/letter/editorial) | | .BERYLLIUM MINERALS LUCIANO IN BRAZIL. • J. MORAES. THE recentdevelopments in metallurgicalre...brief noteson the occurrence of berylliummineralsin Brazil. Thesenotesarebasedin part or mainlyonmy own observations...and most productive depositsof beryl mineralsin Brazil are found in the contiguous regionsof southernBahia... e9o LUCIANO d'. MORdIES. ridge of the Serra de Espinhaqo(BackboneRidge), to within 5ø or 60 miles...situatedon the railway at the great elbowof the Rio Doce. At severalplacesin this neighborhoodlarge |  | Tazaki, Kazue, Lindenmayer, Zara Gerhardt, Fyfe, William S. (1988) Formation of ultra-thin Cu/1bS films on minerals, a weathering product from silicate-facies iron formation, Salobo, Carajas, Brazil. Chemical Geology, 67 (3) 285-294 doi:10.1016/0009-2541(88)90134-9 | Journal (article/letter/editorial) | | SILICATE-FACIES IRON FORMATION, SALOBO, CARAJAS, BRAZIL KAZUE TAZAKI 1, ZARA GERHARDT LINDENMAYER 2 and...2Rio Doce Geologia e Mineraqao S.A., Rio de Janeiro, CEP 20030 (Brazil) (Revised and accepted for publication...Carajas, Brazil. Chem. Geol., 67: 285-294. Lateritic soil covering the Salobo copper deposit (Brazil) grades...located in the Serra dos Carajas region, north Brazil. The deposit contains geological reserves of ~...glassy material in basalts of the Parana Basin, Brazil, shows the formation of Cu-rich films (Tazaki et |  | | Journal (issue) | | Articles The Golconda District, Minas Gerais, Brazil .................................................COVER: AUTUNITE on TOURMALINE, 11.9 cm, from the Golconda I mine, Minas Gerais, Brazil Brice Gobin (Mineral...China, South Africa, Namibia, Chile, Peru, Bolivia, Brazil and Mexico. His first exchange of specimens with...Pocket, Namibia 12.0 x 6.8 x 6.7cm Rhodochrosite Tourmaline with Cleavelandite N Chwaning I Mine, South Africa...September–October, 2019 The Golconda District Minas Gerais, Brazil Carlos Cornejo1 Andrea Bartorelli2 Wendell E. Wilson3 |  | 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) | | Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil Mariana Brando Soares, Atlas Vasconcelos Corrêa...Antônio Modesto de Almeida, Pedro Henrique Montenegro da Silva, Ricardo Oliveira de Araújo Mabub, Luedson...Luedson Guimarães Manduca, Ivan Mendes Caixeta de Pamplona Araújo PII: DOI: Reference: S0169-1368(18)30041-6... Alves, A.M. de Almeida, P.H.M. da Silva, R.O. de Araújo Mabub, L.G. Manduca, I.M.C. de Pamplona Araújo...Deposit, Pitangui Greenstone Belt, Minas Gerais, Brazil, Ore Geology Reviews (2018), doi: https://doi.org/10 |  | | Journal (article/letter/editorial) | | (1996) Juvenile accretion at 750 700 Ma in southern Brazil. Geology, v. 24, pp. 439-442. Basei, M.A., Siga...The Dom Feliciano belt of Brazil and Uruguay and its foreland domain, the Rio de La Plata craton: framework...3lbC IGC, Rio de Janeiro, pp. 311-334. Chemale, F.Jr. (1998) Tectonic evolution of southern Brazil and southern...International Conf. on basement tectonics, Our0 Preto, Brazil, pp. 10-11. Hartmann, L.A. and Fernandes, L.A.D...southern Brazil: juvenile accretion and shear zones. Field Trip Guide, 3lStIGC, Rio de Janeiro, August |  | | Journal (article/letter/editorial) | | 1007/s001260100175 A RT I C L E Leo A. Hartmann á InaÂcio de Medeiros Delgado Cratons and orogenic belts of the...the shield are the Amazon, SaÄo Francisco, and Rio de la Plata Cratons, whereas rocks of the Neoproterozoic...eastern half of Brazil. Paleoarchean rocks occur as small cratonic nuclei in northeastern Brazil, but the cratons...northwestern Amazon Craton and possibly in northeastern Brazil. There are voluminous Paleoproterozoic and Mesoproterozoic...contain 5% of juvenile crust in central and southern Brazil, but are dominantly derived from reworking of older |  | | Book | | Jacques P. Cassedanne Universidade Federal do Rio de Janeiro For his valuable participation in research...Angeles American Museum ofNatural History - New York De Beers Consolidated Mines Naturhistorisches Museum...1982 Jules Roger Sauer ” Foreword For years Brazil has been the major producer of colored stones in...metamorphic rocks, the variety of gem deposits in Brazil is almost infinite. In addition to the mineral...assemblage one might expect from pegmatite dikes, Brazil also produces a very significant output of diamonds |  | | Journal (article/letter/editorial) | | ore at the Quadrilátero Ferrífero, Minas Gerais, Brazil and its possible genetic significance F. R . M...are also substituted by hematite. Muscovite, tourmaline, talc, chlorite, apatite and kaolinite have been...high-grade, compact hematite of QF, Minas Gerais, Brazil, averaging 68%Fe and < 1%SiO2, totalling 1500 Mt...(Federal University of Rio de Janeiro), Ilha do Fundão, Rio de Janeiro RJ 21949-900, Brazil (frpires@geologia...ore at the Quadrilátero Ferrífero, Minas Gerais, Brazil and its possible genetic significance 1 Distribution |  | | Journal (article/letter/editorial) | | Melting of a Continental Margin: The Rio de Janeiro Region, Brazil O. H. Leonardos Jr. University of Brazilia...genera] structural-metamorphic features of Eastern Brazil are outlined. A des- scription of the ancient...granulite facies rocks and migmatites of the Rio de Janeiro region is presented. Conditions of metamorphism...represents recent work in the Atlantic margin of Brazil by the senior authors along with a review of the...interlayered with charnockites such as in the Juiz de Fora region. Kyanite-bearing rocks are absent while |  | | Journal (article/letter/editorial) | | Maria da Glória da Silva a,b a Grupo de Metalogênese, Centro de Pesquisa em Geofísica e Geologia, Universidade...Universitário de Ondina, Sala 201-C, Salvador, 40170-290, Bahia, Brazil b Geological Survey of Brazil (CPRM)-Av...(CPRM)-Av. Pasteur, 404, Urca, Rio de Janeiro, 22290-240, Rio de Janeiro, Brazil Received 2 May 2004; accepted...equivalent units. A related subject has been discussed by De Wit et al. (1999), based on the interpretation of...Atlantica (containing Amazonia, Congo, West Africa, and Rio de la Plata). A supercontinent named Columbia, which |  | | Journal (article/letter/editorial) | | AND Bi2Te FROM THE SÃO SEBASTIÃO GOLD DEPOSIT, BRAZIL: IMPLICATIONS FOR LODE-GOLD MINERALIZATION IN MINAS...do Rio de Janeiro, Instituto de Geociências, Departamento de Geologia, Rio de Janeiro, RJ, Brazil ABSTRACT...Gerais, Brazil. Part of its hydrothermal system is characterized by chaotically distributed tourmaline that...concentrated in patchy domains, or pockets. The tourmaline-rich pockets obliterate the foliation of the...Pyrrhotite and late chalcopyrite occur in the tourmaline-rich pockets. Bismuth, bismuth–gold intermetallic |
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