 | | Journal (article/letter/editorial) | | districts of Kropyvnytskyi (Ukraine), Lagoa Real (Brazil), Mount Isa (Australia) and the Central Mineral...Kropyvnytskyi in the Ukraine and Lagoa Real in Brazil (Figures 1–3; Table 1). Other important districts... The giant Itataia (Santa Quiteria) deposit in Brazil with a resource of over 80,000 tonnes U3 O8 is...(Smolino and Ingul) and at Lagoa Real in Brazil (Cachoeira, Engenho) and operated historically in the...Beaverlodge Arjeplog-Arvidsjaur Total Ukraine Brazil Australia Canada Czech Republic Canada Sweden |  | | Journal (article/letter/editorial) | | (U–Th)–Pb ages from the Southern Brası́lia Belt, Brazil: constraints on the high-temperature retrograde...Ilha do Fundão, CEP 21949-900, Rio de Janeiro, Brazil ABSTRACT In the southern sector of the Southern...owing to ingress of alkali fluid from the Carmo da Cachoeira Nappe beneath as fluid was released by crystallization...melt at the solidus. In the underlying Carmo da Cachoeira Nappe, higher yttrium areas in monazite and one...mineral chronometers. Key words: Brası́lia Belt; Brazil; HP granulite; monazite chronology; pseudosection; |  | | Book | | 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...written in English, and beautifully illustrated. “Brazil, Paradise of Gemstones’, by Jules Roger Sauer,...turquoise vein near the village of Casa Nova, in Bahia, later flooded by the waters of the Sobradinho dam |  | | Report (chapter) | | fluids of orogenic gold deposits of the Gurupi Belt, Brazil: a review of the physico-chemical properties, sources...fluids of orogenic gold deposits of the Gurupi Belt, Brazil: a review of the physico-chemical properties, sources...CPRM/Geological Survey of Brazil. Av. Dr. Freitas, 3645, Belém, State of Pará, Brazil, CEP: 66095-110 (e-mail:...Abstract: The Neoproterozoic Gurupi Belt in northern Brazil developed at the southwestern margin of the Palaeoproterozoic...been extracted from Chega Tudo, Serrinha, and Cachoeira. To date, more than 120 gold occurrences are reported |  | | 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...occurrences of the northern domain of the central Brazil Archean terrain, here referred to as the CrixaÂs |  | | Journal (issue) | | NUMBER SIX APRIL 1993 Cover Picture The Hematita mine in Minas Gérais in 1987 - probably the richest alexandrite...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil' pp. 333-54) ISSN: 0022-1252 F.G.A. your key...to be able to deterAlthough it is very important mine if if a gem is natural or synthetic, and treated...deposits of alexandrite, cat's-eye and chrysoberyl in Brazil JacquesCassedanne, Cassedanne, D.Sc.,* Maurice...Fundiio, Fundão, 21,910, Rio de Janeiro, Janeiro, Brazil *Institute of Geosciences UFRJ-CNPq, Cidade Universitaria |  | | Journal (article/letter/editorial) | | Rog district of the Ukraine and at Lagoa Real in Brazil and have operated historically in the Beaverlodge...include Itataia (Santa Quiteria) and Lagoa Real in Brazil, the Central Mineral Belt of Labrador, Canada,...gneiss Orosirian– Stratherian No Data Itataia Brazil Itataia Minerals 2013, 3 38 Table 1. Cont....Mineral Belt Mount Isa BeaverLodge Country Brazil Canada Australia Canada Endowment (kt U3O8)...scale ductile shear zone) Orosirian 1.87 ± 0.07 Cachoeira, Rabicha 0.6 ± 0.2 74 Mylonitised metarhyolite |  | Klein, Evandro L., Harris, Chris, Renac, Christophe, Giret, André, Moura, Candido A. V., Fuzikawa, Kazuo (2006) Fluid inclusion and stable isotope (O, H, C, and S) constraints on the genesis of the Serrinha gold deposit, Gurupi Belt, northern Brazil. Mineralium Deposita, 41 (2) 160-178 doi:10.1007/s00126-006-0050-1 | Journal (article/letter/editorial) | | the Serrinha gold deposit, Gurupi Belt, northern Brazil Received: 24 February 2005 / Accepted: 25 January...Serrinha gold deposit of the Gurupi Belt, northern Brazil, belongs to the class of orogenic gold deposits...CPRM/Geological Survey of Brazil, Av. Dr. Freitas, 3645, Belém-PA, CEP: 66095-110, Brazil e-mail: eklein@be.cprm...Federal do Pará, CP 1611, Belém-PA, CEP: 66075-900, Brazil K. Fuzikawa CDTN/CNEN, Rua Mario Werneck s/n, Cidade...Universitária, Belo Horizonte-MG, CEP: 30270-010, Brazil ciated with postentrapment modifications. The |  | | Report (issue) | | the Departmento National da Produ^ao Mineral of Brazil under the auspices of the Agency for International...Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRIFERO, MINAS GERAIS, BRAZIL GEOLOGICAL...the Departmento Nacional da Produqao Mineral of Brazil under the auspices of the Agency for International...Minas Gerais, Brazil. (Regional geology of the Quadrilatero Ferrifero, Minas Gerais, Brazil) (Geological...Petrology Brazil Quadrilatero do Ferro. 3. Geology, Stratigraphic Pre-Cambrian. I. Brazil. Departamento |  | 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...generally residually enriched near the surface.21,23 The mine produced 675 000 t of ferromanganese ore between...of cryptomelane and minor goethite. Pyrophanite–ilmenite solid-solution crystals are found not only in...the matrix cryptomelane, where pyrophanite-rich ilmenite crystals are locally abundant.6 Schorl-rich dravitic |  | | Report (volume) | | the Serra do Navio district, Territory of Amapd, Brazil, by John Van N. Dorr 2d, Charles F. Park, Jr.,...___________ (C) Mica deposits in Minas Gerais, Brazil, by W. T. Pecora, M. R. Klepper, and D. M. Larrabee...11. Plan and sections of the lower adits, Quindio mine, municipio of Cajamarca, Tolima, Colombia._____________________In...Map and sections of the Alumbral quartz crystal mine, municipio of Muzo, Boyacd, "Colombia. ______ _____________... m IV CONTENTS Page PLATE 15. Cruzeiro mica mine (Minas Gerais), No. 1 pegmatite, Toquinho worki |  | Klein, E. L., Ribeiro, J. W. A., Harris, C., Moura, C. A. V., Giret, A. (2008) Geology and Fluid Characteristics of the Mina Velha and Mandiocal Orebodies and Implications for the Genesis of the Orogenic Chega Tudo Gold Deposit, Gurupi Belt, Brazil. Economic Geology, 103 (5) 957-980 doi:10.2113/gsecongeo.103.5.957 | Journal (article/letter/editorial) | | Deposit, Gurupi Belt, Brazil * EVANDRO L. KLEIN, † Geological Survey of Brazil, Av. Dr. Freitas, 3645...3645, Belém-PA, Brazil, CEP: 66095-110 JOSÉ W. A. RIBEIRO, Newmont Overseas Exploration Limited, Surinam...Pará, Centro de Geociências, CP 1611, Belém-PA, Brazil, CEP: 66075-900 AND ANDRÉ GIRET Université Jean...deposit is located in the Gurupi belt of northern Brazil. Gold mineralization in the Mina Velha (upper level)...deposits. Introduction THE GURUPI BELT in northern Brazil is a polyphase plutonicmetamorphic belt that contains |  | | Report (issue) | | BELIZE BENIN BOLIVIA BOSNIA AND HERZEGOVINA BOTSWANA BRAZIL BRUNEI DARUSSALAM BULGARIA BURKINA FASO BURUNDI...The application of borehole seismic techniques in mine development at the Millennium uranium deposit, Northern.................. 151 C. Edwards Converting the Caetité mill process to enhance uranium recovery and expand...O. Skalskyi, V. Riazantsev, D. Bugai Uranium ISR mine closure — general concepts and model-based simulation...simulation of natural attenuation for South-Australian mine sites ......................................... |  | | Journal (article/letter/editorial) | | Metasomatism,and Mineralization at Lagoa Real, Bahia, Brazil LYDIA M. LOBATO* Comissdo Nacionalde EnergiaNuclear--Centrode...Cx. Postal 1941, Belo Horizonte, Minas Gerais, Brazil 31271 AND WILLIAM S. FYFE Geology Department...oFranciscoeraton, at the LagoaReal region of southcentralBahia,Brazil. The gneisses havebeen subjectedto amphiboliteand...Lagoa Real region of south-centralBahia State, Brazil, granitie rocks enclosedin high-grade basementgneissesof...uranium enrichment that in places Minas Gerais, Brazil 31270. attainore grade(Fig. 1). The mineralizationis |  | | Report (issue) | | Rocks of the Quadrilatero Ferrifero, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-B Prepared...the Departmento Nacional da Producao Mineral of Brazil under the auspices oj the Agency for International...Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRlFERO, MINAS GERAIS, BRAZIL GEOLOGICAL...the Departmento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...map of the Quadrildtero Ferrffero, Minas Gerais, Brazil showing areas of gneissic and igneous rocks___ |  | | Journal (article/letter/editorial) | | system south of the São Francisco Craton, southeast Brazil Mario da Costa Campos Neto a, Renaud Caby b, *...Geociências, Universidade de São Paulo, Sao Paulo, Brazil b Laboratoire de Tectonophysique, Université de...Archaean–Paleoproterozoic São Francisco Craton in SE Brazil (Fig. 1) is bounded in its western and southern...3–26 5 Fig. 1. Sketch tectonic map of southeast Brazil. 1998; Simões, 1995; Seer et al., 1998; Alkmin...Pesquisas Geocronológicas, Universidade de São Paulo, Brazil ). The protoliths of these enderbitic granulites |  | | Journal (article/letter/editorial) | | Crust-Mantle Evolution of Archean Crust in Central Brazil Jessica Bogossian *, Anthony I. S. Kemp and Steffen...Abstract: The Goiás Archean Block (GAB) in central Brazil is an important gold district that hosts several...evolution; Goiás Archean Block; central Brazil Central Brazil. Minerals 2021, 11, 944. https://doi.org/10...the only Archean terrane recognized in central Brazil (Figure 1A), was amalgamated into the Neoproterozoic...deposits. These include the worldclass Serra Grande mine, in the Crixás greenstone belt (≤7 Moz Au; AngloGold |  | Mendes, Túlio A. A., de Mesquita, Raissa B., Knauer, Luiz G., Almeida, Marcelo E., Roncato, Jorge (2021) Spatiotemporal constraints on the western Cauaburi Belt tectonics – northwestern Amazon Craton, Brazil. International Geology Review, 63 (11) 1342-1365 doi:10.1080/00206814.2020.1768441 | Journal (article/letter/editorial) | | Cauaburi Belt tectonics – northwestern Amazon Craton, Brazil Túlio A. A. Mendes , Raissa B. de Mesquita , Luiz...Cauaburi Belt tectonics – northwestern Amazon Craton, Brazil, International Geology Review To link to this article:...Cauaburi Belt tectonics – northwestern Amazon Craton, Brazil Túlio A. A. Mendesa, Raissa B. de Mesquitaa, Luiz...Department, Geological Survey of Brazil, CPRM-SUREG-MA, Manaus, Brazil; bGeology Postgraduate Program –...Belo Horizonte, Brazil; cGeological Mapping Department, Geological Survey of Brazil, CPRM-ERJ, Rio de |  | | Journal (article/letter/editorial) | | Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Mafic-Ultramafic Complexes, western Borborema Province, Brazil: geochemical and isotope constraints for evolution...Brasilia, Brasilia, DF, Brazil ²CPRM – Geological Survey of Brazil, Recife, PE, Brazil *Corresponding author...Brígida domains, Borborema Province, Northeast Brazil. Ultramafic lithologies including metadunites, |  | | Journal (issue) | | chemical composition of chrome spmels, magnetite, and ilmenite of the Crimea igneous complexes, morphology and...A~03 Hematite Fe20 3 Hercynite FeA~O, ++ Ilmenite FeTi03 +++ Magnesioferrite MgFe2 0, ++ Magnetite...have neverfound pyrite here; in volcanic glass, ilmenite pyrite, and rock-forming silicates of neither...at the Fei~2C~~8 ° 0_67 Tio.1 1) 1.88 4 • Ilmenite - is a common accessory mineral of volcanic rocks...rocks (Spiridonov et al., 1989, 2019). Exsolved ilmenite is present in the in swells of quartz-chalcedony |  | Tedeschi, Mahyra, Lanari, Pierre, Rubatto, Daniela, Pedrosa-Soares, Antônio, Hermann, Jörg, Dussin, Ivo, Pinheiro, Marco Aurélio P., Bouvier, Anne-Sophie, Baumgartner, Lukas (2017) Reconstruction of multiple P-T-t stages from retrogressed mafic rocks: Subduction versus collision in the Southern Brasília orogen (SE Brazil) Lithos, 294. 283-303 doi:10.1016/j.lithos.2017.09.025 | Journal (article/letter/editorial) | | versus collision in the Southern Brasília orogen (SE Brazil) Mahyra Tedeschi, Pierre Lanari, Daniela Rubatto...versus collision in the Southern Brasília orogen (SE Brazil). The address for the corresponding author was...versus collision in the Southern Brasília orogen (SE Brazil) Mahyra Tedeschi1,2,3*, Pierre Lanari2, Daniela...CPMTC-IGC, Av. Antônio Carlos 6627, Belo Horizonte, Brazil (#Fellow of the Brazilian Research Council-CNPq)...Geological Survey of Brazil (CPRM), Avenida Brasil 1731, Belo Horizonte, MG, Brazil 4 Institute of Earth |  | 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...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...Rio de Janeiro, Brazil 2. Serviço Geológico do Brasil – SBG/CPRM, Rio de Janeiro, Brazil 3. Universidade...Universidade de São Paulo – USP, São Paulo, Brazil ABSTRACT The Andrelândia Nappe System (ANS) is an important |  | | Book | | BARTORELLI ::• . . .. MINERALS & PRECIOUS STONES OF BRAZIL Sponsored by: VALE MINISTER.IO DA CULTURA ©...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...Landmann. CDD-549 Indexes for systematic catalog: 1. Brazil: Minerals and precious stones: Mineralogy and gemology |  | | Journal (issue) | | typically abraded specimens you’ve found in the old mine dumps. And you’ve probably looked long and hard...Everyone has heard repeated warnings about entering old mine workings. But, face it, those deep, open shafts...commonality: They can be very dangerous. Each year mine rescue specialists and conventional search and rescue...Statistically, shafts are the most dangerous part of any mine; 90 percent of all accidents and entrapments in...disturbed. In the narrow confines of an underground mine, shattering timbers can be as deadly as the rock |  | | Report (issue) | | Deposits of the Western Serra do Curral, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-G Prepared...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Gerais, Brazil By GEORGE C. SIMMONS GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL GEOLOGICAL...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...half of the Brumadinho quadrangles, Minas Gerais, Brazil. 2. Geologic map of the south half of the Igarap£ |
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