| | 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) | Granulites of the Guaxupe Complex, Southeastern Brazil E. A. DEL LAMA,1* A. ZANARDO,2 M. A. F. OLIVEIRA2...2 GMG/IG ± USP, SaÄo Paulo, Brazil DPM/IGCE ± UNESP, Rio Claro, Brazil This paper describes tectonic...Precambrian rocks from the Guaxupe Complex and Varginha Shear Zone (VSZ) near the city of Guaxupe in...part of the SaÄo Francisco Craton, southeastern Brazil. The VSZ separates the metasediments of AraxaÂ...transpression; Guaxupe Complex; Precambrian; Varginha Shear Zone; Brazil 1. INTRODUCTION In this paper we present | | | Journal (article/letter/editorial) | Investigations on the Granulite Facies Terrains of Brazil: A Review S. S. Iyer', A. Choudhuri2 and J. S....Campinas, Brazil Instituto de Geocifncias, Universidade Federal du Bahia, Salvadol; Brazil (Manuscriptreceived...three areas in the granulite facies terrains of Brazil are assembled and discussed. All the three areas...flow during metamorphism. Key Words: granulites, Brazil, stable isotopes, volatiles, non-pervasive flow...homogenization during high grade metamorphism. Brazil, with its extensive areas of high grade metamorphic | | 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 | | | Journal (article/letter/editorial) | Guaxup6 granulite facies terrain, southeastern Brazil S.S. Iyer ~, A. Choudhuri b, D.R.M. Pattison c...Universidade Estadual de Campinas, Campinas (SP), Brazil CDepartmentof Geology and Geophysics, University...chamockite and chamokitic augen gneisses) of Guaxupr, Brazil are assembled. Geochemical discrimination function...terrains. Curiously, granulite facies terrains of Brazil are not cited, possibly due to the paucity of published...Brazilian granulites in international journals. Brazil, with its extensive area of high-grade metamorphic | | | Journal (article/letter/editorial) | 05508-080, São Paulo - SP, Brazil b Serviço Geológico do Brasil - CPRM, São Paulo, Brazil *Corresponding author:...inverted metamorphic pattern. The Três Pontas-Varginha (and Pouso Alto) Nappe (Campos Neto and Caby,...(Campos Neto et al., 2007). The Três Pontas-Varginha Nappe is composed of high-pressure metasedimentary...follows: - Garnet-kyanite-biotite-muscovite-plagioclase-quartz schist that presents an irregular interleaving...zircon and quartz. Augen-shaped porphyroclasts of plagioclase have andesine-oligoclase composition, and inter- | | 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) | | | 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...HP granulites from the uppermost Três Pontas–Varginha Nappe, (U–Th)–Pb ages of c. 662 and 655 Ma from...mineral chronometers. Key words: Brası́lia Belt; Brazil; HP granulite; monazite chronology; pseudosection;...ian assembly of Gondwanan elements in southern Brazil (Fig. 1a) involved closure of oceans to both the | | Marimon, Rodrigo S., Trouw, Rudolph A.J., Dantas, Elton L., Ribeiro, André, Santos, Priscila, Kuster, Klaus, Vinagre, Rodrigo (2021) Provenance of passive-margin and syn-collisional units: Implications for the geodynamic evolution of the Southern Brasília Orogen, West Gondwana. Sedimentary Geology, 413. 105823pp. doi:10.1016/j.sedgeo.2020.105823 | Journal (article/letter/editorial) | RJ, Brazil of c Universidade de Brasília, Instituto de Geociências, Brasília, DF, Brazil Mineral...upper ur nappes (i.e. Andrelândia, Liberdade and Varginha) are composed of distal passive margin Jo deposits...into the upper nappes (Andrelândia, Liberdade and Varginha nappes) and the lower nappes (Carrancas klippe...te±sillimanite assemblage, represented by the Varginha and Pouso Alto nappes and related klippen (Campos... +biotite, +garnet, ±kyanite, ±staurolite, ±plagioclase, ±K-feldspar) and quartzite packages, intercalated | | | Journal (article/letter/editorial) | Geochemistry of the Guaxup6 Granulites, Minas Gerais, Brazil E. A. Del Lama', M. A. F. de Oliveira2and...FAPESP - Pos-Graduate, IGCE, UNESE Rio Claro, SP - Brazil. e-mail: edellama@cavial:igce.unesp.br DPM/IGCE...no 1515, cep 13506-900, CP 178, Rio Claro, SP - Brazil (Manuscriptreceived July 7, 1967; accepted December...the GuaxupC Massif, at Mantiqueira Province, SE Brazil. Several types of granulites are recognized in...at different times. Geochemical data point to plagioclase and apatite fractionation as responsable in the | | Fernandes, J.F., Iyer, S.S., Imakuma, K., Choudhuri, A. (1987) Geochemical studies in the proterozoic metamorphic terrane of the guaxupé massif, minas gerais, brazil. A discussion on large ion lithophile element fractionation during high-grade metamorphism. Precambrian Research, 36 (1) 65-79 doi:10.1016/0301-9268(87)90017-9 | Journal (article/letter/editorial) | METAMORPHIC TERRANE OF THE GUAXUP¢ MASSIF, MINAS GERAIS, BRAZIL. A DISCUSSION ON LARGE ION LITHOPHILE ELEMENT...CNEN/SP ), Caixa Postal 11049, Pinheiros, S~o Paulo (Brazil) A. C H O U D H U R I Instituto de Geoci~ncias...Estadual de Campinas 13100, Campinas, S~o Paulo (Brazil) (ReceivedJanuary 3, 1985; revision accepted September...metamorphic terrane of the Guaxup~Massif,Minas Gerais,Brazil. A discussionon large ion lithophileelementfractionation...in the granulite faciesrocks from other parts of Brazil showthat the depletion of these elements is variable | | Westin, Alice, Campos Neto, Mario C., Hawkesworth, Chris J., Cawood, Peter A., Dhuime, Bruno, Delavault, Hélène (2016) A paleoproterozoic intra-arc basin associated with a juvenile source in the Southern Brasilia Orogen: Application of U–Pb and Hf–Nd isotopic analyses to provenance studies of complex areas. Precambrian Research, 276. 178-193 doi:10.1016/j.precamres.2016.02.004 | Journal (article/letter/editorial) | of 45 The meta-sedimentary rocks vary from plagioclase and quartz-rich gneisses and schist to muscovite...epidote-plagioclase-biotite-quartz gneiss with carbonate and sample C-506c, a biotite-plagioclase-quartz...and calc-silicate rocks, and sample C-502 of plagioclase-quartz- us biotite-epidote gneiss with K-feldspar...of lithic fragments and detrital K-feldspar, plagioclase and quartz granules, indicate that the source...2006. Upper mantle anisotropy in SE and Central Brazil from SKS splitting: Evidence of asthenospheric | | | Journal (article/letter/editorial) | in the Proterozoic Vazante – Paracatu District, Brazil: Implications for metallogeny and sources of metals...silicate and Zn – Pb sulfide deposits in central Brazil. Carbonate-hosted Zn ± Pb mineralization is interpreted...Vazante – Paracatu Zn ± Pb mining district, Minas Gerais, occurs in a 250 km – long, north – south trending...that accounts for most of the zinc production in Brazil (Fig. 1; Olivo et al., 2018; Viviani Corresponding...and thrust-belt that is now located in central Brazil (Fig. 1). The Brasiliano Orogeny reached peak metamorphic | | Pinheiro, M.A.P., Suita, M.T.F., Lesnov, F.P., Tedeschi, M., Silva, L.C., Medvedev, N.S., Korolyuk, V.N., Pinto, C.P., Sergeev, S.A (2019) Timing and petrogenesis of metamafic-ultramafic rocks in the Southern Brasília orogen: Insights for a Rhyacian multi-system suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) Precambrian Research, 321. 328-348 doi:10.1016/j.precamres.2018.12.006 | Journal (article/letter/editorial) | suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) M.A.P. Pinheiro, M.T.F. Suita, F.P. Lesnov, M...suprasubduction zone in the São Francisco paleocontinent (SE-Brazil), Precambrian Research (2018), doi: https://doi...suprasubduction zone in the São Francisco paleocontinent (SE-Brazil) Pinheiro, M.A.P.,1*, Suita, M.T.F.2, Lesnov, F...Geological Survey of Brazil (CPRM/SGB), Avenida Brasil, 1731 Belo Horizonte, Brazil Geology Department...Ouro Preto (UFOP), Morro do Cruzeiro, Ouro Preto, Brazil Siberian Branch of Russian Academy of Sciences | | Motta, Rafael G., Fitzsimons, Ian C.W., Moraes, Renato, Johnson, Tim E., Schuindt, Sheila, Benetti, Beatriz Y. (2021) Recovering P–T–t paths from ultra-high temperature (UHT) felsic orthogneiss: An example from the Southern Brasília Orogen, Brazil. Precambrian Research, 359. 106222pp. doi:10.1016/j.precamres.2021.106222 | Journal (article/letter/editorial) | orthogneiss: An example from the Southern Brasília Orogen, Brazil Rafael G. Motta a, b, c, Ian C.W. Fitzsimons b...Federal do Rio Grande do Norte, Natal, RN 59078-970, Brazil School of Earth and Planetary Sciences, The Institute...Universidade de São Paulo, São Paulo, SP 05508-080, Brazil d School of the Environment, Geography & Geosciences...(ortho- and clinopyroxene, garnet, K-feldspar, plagioclase, quartz, ilmenite, and silicate melt) records...with Neoproterozoic orogens and cratons of eastern Brazil. (B) Geological Map of the Guaxupé Domain of the | | | Journal (article/letter/editorial) | Geociências, Universidade de São Paulo, São Paulo, SP, Brazil. Department of Geology, The University of Kansas...Neoproterozoic southern Brasília Orogen, 16 SE Brazil. The data provide important insights into the petrogenesis...10-12kbar generates a 417 residuum with amphibole-plagioclase-pyroxene and little garnet. At higher pressures...eclogitic with large amounts of garnet and no plagioclase. Based on 419 these results, several studies...428 of melt generation from garnet-poor and plagioclase-rich sources and indicate melt generation 429 | | | Journal (article/letter/editorial) | gneiss, surrounded by tails of plagioclase. Copacabana beach, Rio, Brazil. Width of view 10 cm; (f) lozengeshaped...matrix from high grade gneiss. Varginha, southern Minas Gerais, Brazil. Width of view 1.5 mm; (h) flanking...Structural Geology 23, 609–617. Olesen, N.Ø., 1998. Plagioclase porphyroclasts in a high-temperature shearzone... 2003. Deformation and recrystallization of plagioclase along a temperature gradient: an example from...localization of deformation in lower crust granulites, Minas fault zone, Nova Scotia, Canada. In: Alsop, G.I | | Fernandes, Neil A., Olivo, Gema R., Layton-Matthews, Daniel, Voinot, Alexandre, Chipley, Donald, Diniz-Oliveira, Gustavo (2019) Geochemistry and provenance of siliciclastic rocks from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern margin of the São Francisco Craton and the Columbia Supercontinent. Precambrian Research, 335. 105483 doi:10.1016/j.precamres.2019.105483 | Journal (article/letter/editorial) | from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...from the Mesoproterozoic Upper Vazante Sequence, Brazil: Insights on the evolution of the southwestern...6 floor, Itaim Bibi 04.571- 010, São Paulo SP, Brazil *Corresponding Author Abstract: Studies of provenance...account for nearly all of the zinc production in Brazil (Figures 2, 3; Olivo et al., 2018; Viviani et al | | | Journal (article/letter/editorial) | poikilitic clinopyroxene-plagioclase intergrowths indicating former plagioclase-free, i.e. eclogite facies...(Opx + Pl not stable). At higher pressures, plagioclase disappears in basic rocks by reactions such as...peraluminous sapphirine ± corundum set in calcic plagioclase (Fig. 3d,e). In places, secondary garnet has...contents, inclusions of spinel and a corona of plagioclase separating it from mesoperthite (Fig. 3f). Determination...layers in garnet peridotite are quartz-free, plagioclase-poor garnet clinopyroxenites with Mg-rich garnet | | 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 | | Dressel, Bárbara Carolina, Chauvet, Alain, Trzaskos, Barbara, Biondi, João Carlos, Bruguier, Olivier, Monié, Patrick, Villanova, Sandro Notto, Newton, José Bazille (2018) The Passa Três lode gold deposit (Paraná State, Brazil): An example of structurally-controlled mineralisation formed during magmatic-hydrothermal transition and hosted within granite. Ore Geology Reviews, 102. 701-727 doi:10.1016/j.oregeorev.2018.09.007 | Journal (article/letter/editorial) | The passa três lode gold deposit (paraná state, brazil): an example of structurallycontrolled mineralisation...The passa três lode gold deposit (paraná state, brazil): an example of structurally-controlled mineralisation...THE PASSA TRÊS LODE GOLD DEPOSIT (PARANÁ STATE, BRAZIL): AN EXAMPLE OF STRUCTURALLY-CONTROLLED MINERALISATION...Heráclito dos Santos, 210, 81531-970, Curitiba – PR, Brazil. 3 Mineração Tapirorã, Rua Maria Aparecida de...Lt. São Gerônimo, 83606-177, Campo Largo – PR, Brazil. 4 Capes-PDSE Scholarship Process n. 99999.006489/2015-00 | | | Book | Geosciences Institute University of São Paulo São Paulo Brazil Pedro Oyhantçabal Departamento de Geodinámica Interna...recognized similarities in the ‘old granites’ of Brazil and southern Africa. On the other hand, du Toit...‘Brazilian system’ defined by Alcide d’Orbigny in Brazil (Beaumont 1844), arguably corresponding to the...geochronological data of the Precambrian basement of southern Brazil, Uruguay and Argentina were reported by Hart (1966)...and geochemical data of the Nico Pérez Terrane in Brazil and Uruguay in order to constrain its regional |
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