 | | Journal (article/letter/editorial) | | (EBPP) has been evaluated on the basis of 530 K-feldspar and 550 muscovite major and trace element analyses...The EBPP is situated mainly in the State of Minas Gerais, but encompasses also parts of the States of...Cs, Zn, Li, Be, Ba versus K/Rb, Cs versus Ta/(Ta+Nb), and U, Na2O versus K/Cs for the pegmatite districts...Universidade Federal de Minas Gerais, Av. AntoÃnio Carlos 6277, 31 000 Belo Horizonte MG, Brazil the context of...Argentina, (2) the north-eastern or Borborema in Brazil, and (3) the Eastern Brazilian. A description of |  | | Journal (article/letter/editorial) | | constraints on late miocene weathering rates in Minas Gerais, Brazil Isabela de Oliveira Carmo a,1, Paulo Marcos...September 2005 Available online 21 November 2005 Editor: K. Farley Abstract 40 Ar / 39Ar incremental heating...45, and 60 m depths in the Cachoeira Mine weathering profile, Minas Gerais, permit calculating long-term...(saprolitization rate) in SE Brazil. Pure well-crystallized cryptomelane grains with high K contents (3–5 wt.%)...calculate the saprolitization rate for the Cachoeira Mine lithologies and for adjacent weathering profiles |  | | Journal (article/letter/editorial) | | granitic rocks of the Quadrilatero Ferrifero, Minas Gerais, Brazil, suggest three ages of intrusion: 2400 m...and also in a region 7 km north of nearest known Minas series metasedimentary rocks (Late Precambrian age);... (2) granitized beds of the Minas series, and (3) granite between Minas beds and the 1350 m.y. granite...the peripheral area of the 1350 m.y. granites and Minas metasedimentarv rocks. have been mapped belong...(Table 1, Group II) have metamorphosed it. The Minas series overlies the Rio das Velhas with profound |  | | Journal (article/letter/editorial) | | Atibaia and Jaguari rivers subbasins (Southeast Brazil) Bruno Cesar Mortatti, Jacinta Enzweiler PII: ...Atibaia and Jaguari rivers subbasins (Southeast Brazil), Applied Geochemistry (2019), doi: https://doi...ATIBAIA AND JAGUARI RIVERS SUBBASINS (SOUTHEAST BRAZIL) 3 Bruno Cesar Mortattia, Jacinta Enzweilera*...Rua Carlos Gomes 250, 13083-855, Campinas, SP, Brazil 6 * Corresponding author e-mail: jacintae@unicamp...dissolved species in river water (Ca2+, 44 Mg2+, Na+, K+, HCO3-, and SiO2) is chemical weathering of rocks |  | | Report (issue) | | Igneous Rocks of the Quadrilatero Ferrifero, Minas Gerais, Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-B...the Departmento Nacional da Producao Mineral of Brazil under the auspices oj the Agency for International...Ferrifero, Minas Gerais, Brazil By NORMAN HERZ REGIONAL GEOLOGY OF THE QUADRILATERO FERRlFERO, MINAS GERAIS...GERAIS, BRAZIL GEOLOGICAL SURVEY PROFESSIONAL PAPER 641-B Prepared in cooperation with the Departmento...Departmento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International Development |  | Lana, Cristiano, Alkmim, Fernando F., Armstrong, Richard, Scholz, Ricardo, Romano, Rafael, Nalini, Herminio A. (2013) The ancestry and magmatic evolution of Archaean TTG rocks of the Quadrilátero Ferrífero province, southeast Brazil. Precambrian Research, 231. 157-173 doi:10.1016/j.precamres.2013.03.008 | Journal (article/letter/editorial) | | the Quadrilátero Ferrífero province, southeast Brazil Cristiano Lana a,∗ , Fernando F. Alkmim a , Richard...de Minas, Universidade Federal de Ouro Preto, Morro do Cruzeiro, 35400-000 Ouro Preto, MG, Brazil Research...the southern part of the São Francisco Craton (Brazil). These periods – described here as the Santa Barbara...Palaeoproterozoic metasedimentary sequences of the Minas Supergroup and the Itacolomi Group (Dorr et al....Maquiné sediments (e.g., Machado et al., 1996). The Minas Supergroup was deposited over the Rio das Velhas |  | | 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 (issue) | | Claringbull, Ph.D., F.lnst.P., FGS Vice-Presidents: R K. Mitchell, FGA A.E. Farn, FGA D.G. Kent, FGA Council...SIX APRIL 1993 Cover Picture The Hematita mine in Minas Gérais in 1987 - probably the richest alexandrite...foreground, the soil profile in the centre and the valley confluence in the background. (See 'The location...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 |  | 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 (volume) | | Pernambuco, Recife, Brazil J. S. BETTENCOURT Universidade de Sao Paulo, Brazil C. P. DE CAMPOS Lud...FERREIRA Federal University of Pernambuco, Recife, Brazil 2011 Published by The Geological Society London...(Iran), Asia (Japan and China) and South America (Brazil and Argentina) and spanning rocks from Palaeoproterozoic...–Cambrian granitic magmatism in the Araçuaı́ orogen (Brazil), the Eastern Brazilian Pegmatite Province and...7852, Cidade Universitaria, 50670-000 Recife, PE, Brazil 2 Institute of Geosciences, University of São |  | | 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 | | of the] FM-TGMS-MSA Wulfenite Symposium (chairman: K. Wenrich) 21:98100 Abstracts of the FM-TGMS-MSA Symposium...(chairman: K. Wenrich) 22:65-69 [Abstracts of the] FM-TGMS-MSA Symposium on Garnet (chairman: K. J. Wenrich)...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 |  | 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... C.E. Ganade de Araujo, R. Vinagre, J.C. Mendes, K. Sato, Constraining timing and P-T conditions of continental...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 |  | | 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 |  | | 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 |  | | Journal (article/letter/editorial) | | mineralization postdates regionally extensive feldspar alteration and is associated with a range of alteration...alteration assemblages which overprint early albite or K-feldspar dominant alteration. Abundance of hydrothermal...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 |  | | Journal (article/letter/editorial) | | Metasomatism,and Mineralization at Lagoa Real, Bahia, Brazil LYDIA M. LOBATO* Comissdo Nacionalde EnergiaNuclear--Centrode...Nuclear, 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...metasomatie alterationand mineralization,the originalK feldspar+ quartz + oligoelase+ hastingsiteassemblage is...sthat the alterationprocessinvolvedremovalof Si, K, Rb, and Ba andadditionof Na underoxidizingconditions |  | | 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 |  | | Book | | Alkmim Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent Regional...Alkmim • Editors São Francisco Craton, Eastern Brazil Tectonic Genealogy of a Miniature Continent 123...Janeiro Maracanã, Rio de Janeiro Brazil Fernando F. Alkmim Escola de Minas Universidade Federal de Ouro...Preto Ouro Preto Brazil Umberto G. Cordani Universidade de São Paulo São Paulo Brazil ISSN 2364-6438...significant contributor to the mining industry in Brazil. This book provides a state of knowledge overview |  | Santos, João Orestes Schneider, Groves, David Ian, Hartmann, Léo Afraneo, Moura, Márcia Abrahão, McNaughton, Neal Jesse (2001) Gold deposits of the Tapajós and Alta Floresta Domains, Tapajós–Parima orogenic belt, Amazon Craton, Brazil. Mineralium Deposita, 36 (3) 278-299 doi:10.1007/s001260100172 | Journal (article/letter/editorial) | | TapajoÂs±Parima orogenic belt, Amazon Craton, Brazil Received: 16 March 2000 / Accepted: 18 February...ArauÂjo 2160, Aleixo, Manaus, Amazonas 69060-001, Brazil E-mail: orestes@conex.com.br Fax: +55-92-6635531...Bento GoncËalves 9500, 91500-000 Porto Alegre ± RS, Brazil M.A. Moura Instituto de GeocieÃncias, FundacËaÄo...UniversitaÂrio, Asa Norte, BrasõÂ lia-DF 70910-900, Brazil N.J. McNaughton Centre for Global Metallogeny,...mineralization. Preliminary Pb isotope data on K-feldspar indicate that the ¯uid source was more likely |  | 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...Baumgartner4 1 RI Universidade Federal de Minas Gerais, Programa de Pos-Graduação em Geologia, SC...CPMTC-IGC, Av. Antônio Carlos 6627, Belo Horizonte, Brazil (#Fellow of the Brazilian Research Council-CNPq) |  | | Report (issue) | | Monlevade and Rio Piracicaba Quadrangles, Minas Gerais Brazil GEOLOGICAL SURVEY PROFESSIONAL PAPER 341-E...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...Quadrangles, Minas Gerais Brazil By ROBERT G. REEVES GEOLOGY AND MINERAL RESOURCES OF PARTS OF MINAS GERAIS, BRAZIL...the Departamento Nacional da Producao Mineral of Brazil under the auspices of the Agency for International...____________ Itabirite. - _______________________ Minas Series_-_--_____--_______--___-__-_ Caraga Grou |  | Passarelli, Cláudia R., Verma, Sanjeet K., McReath, Ian, Basei, Miguel A.S., Siga, Oswaldo (2019) Tracing the history from Rodinia break-up to the Gondwana amalgamation in the Embu Terrane, southern Ribeira Belt, Brazil. Lithos, 342. 1-17 doi:10.1016/j.lithos.2019.05.024 | Journal (article/letter/editorial) | | Terrane, southern Ribeira Belt, Brazil Cláudia R. Passarelli, Sanjeet K. Verma, Ian McReath, Miguel A...amalgamation in the Embu Terrane, southern Ribeira Belt, Brazil, LITHOS, https://doi.org/10.1016/j.lithos.2019...Terrane, southern Ribeira Belt, Brazil Cláudia R. Passarellia*, Sanjeet K. Vermab, Ian McReatha, Miguel...Cidade Universitária, São Paulo-SP, CEP 05508-080, Brazil b RI PT División de Geociencias Aplicadas-Instituto...Province (MP) is the major tectonic unit of southern Brazil, resulting from the closure of the Adamastor Ocean |  | Thompson, R. N., Gibson, S. A., Mitchell, J. G., Dickin, A. P., Leonardos, O. H., Brod, J. A., Greenwood, J. C. (1998) Migrating Cretaceous-Eocene Magmatismin the Serra do Mar Alkaline Province,SE Brazil: Melts from the Deflected Trindade Mantle Plume?. Journal of Petrology, 39 (8) 1493-1526 doi:10.1093/petroj/39.8.1493 | Journal (article/letter/editorial) | | Magmatism in the Serra do Mar Alkaline Province, SE Brazil: Melts from the Deflected Trindade Mantle Plume...UNIVERSIDADE DE BRASÍLIA, 70910 BRASÍLIA DF, BRAZIL RECEIVED JULY 30, 1997; REVISED TYPESCRIPT ACCEPTED...volcanic remnants, and dyke swarms along coastal SE Brazil. The igneous rocks are emplaced into metamorphics...emplacement of very hot, low-viscosity magma batches. New K/ Ar dates, together with a detailed assessment of...mantle plume impacted at ~85 Ma beneath interior SE Brazil where the lithosphere was too thick (>150 km), |  | | Journal (article/letter/editorial) | | the Eastern Dom Feliciano Belt in Southernmost Brazil: A Tectonic Model J. C. Frantz' and N. F. Botelho2...Bento Gongalves 9500,92500-000 Porto Alegre R S , Brazil, e-mail: pan tz@if.ufrss.br Zlnstitutode Geoci2ncias...Brasilia Campus Asa Norte, 70919-900 Brasilia - DF, Brazil, e-mail:nilsonfb@unb.br (Manuscript received April...and controlled the syn-kinematicinjections of high-K calc-alkaline granitoid plutons of the Arroio Solidlo...this region. The syntangential granitoids are high-K calc-alkalineand have similaritiesto those of a continental |
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