Search Results - "Carlos José Souza de Alvarenga"
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Multi-dimensional scaling of detrital zircon geochronology constrains basin evolution of the late Mesoproterozoic Paranoá Group, central Brazil
Published in Precambrian research (01-10-2021)“…•Proposition of segmentation of the Paranoá Group in sequences and tectonic stages.•Geochronological data to establish the source areas of the Paranoá…”
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Geochemical and thermal effects of a basic sill on black shales and limestones of the Permian Irati Formation
Published in Journal of South American earth sciences (01-07-2009)“…Intrusive rocks are an important heat source for the maturation of organic matter contained in sediments from the Paraná Basin, South America. In this study,…”
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Estratigrafia da transição entre os grupos Bambuí e Paranoá no Distrito Federal
Published in Geologia USP. Série científica (01-12-2018)“…O norte do Distrito Federal (DF) inclui uma expressiva sucessão de rochas carbonáticas de posicionamento estratigráfico divergente, tendo sido incluídos tanto…”
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Correlations of some Neoproterozoic carbonate-dominated successions in South America based on high-resolution chemostratigraphy
Published in Brazilian journal of geology (01-09-2016)“…This report reviews and incorporates new elemental and isotope chemostratigraphic data for correlation of Neoproterozoic carbonate-dominated successions in…”
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Litofácies, ambientes deposicionais e ciclicidade do Grupo Paranoá: exemplo da região da Serra de São Domingos, Minas Gerais
Published in Geologia USP. Série Científica (24-04-2019)“…Na Serra de São Domingos (SSD) afloram mais de 1.000 m de espessura de rochas mesoproterozoicas dominantemente siliciclásticas do Grupo Paranoá. Duas seções…”
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Isotope stratigraphy of the uppermost Vazante Group, Brazil: Insights on paleoenvironments and regional correlation
Published in Journal of South American earth sciences (01-06-2021)“…Rocks of the Vazante Group in the Morro Agudo region (SE-Brazil) integrate a thick clay-carbonate sequence composed of twelve sedimentary facies and four…”
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Using Nd isotopes to understand the provenance of sedimentary rocks from a continental margin to a foreland basin in the Neoproterozoic Paraguay Belt, Central Brazil
Published in Precambrian research (01-04-2009)“…The Neoproterozoic Paraguay Belt (PB) in central South America includes a thick sequence of sedimentary rocks that were deposited and deformed along the…”
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Methodological Development of a Combined Preparation for Micropaleontological and Sedimentological Studies of Samples From the Proterozoic Record
Published in Frontiers in earth science (Lausanne) (30-03-2022)“…The recovery of microfossils from Proterozoic rocks is commonly challenging because of metamorphism. In this study, an application of different methods usually…”
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Associação de Fácies, Litoquímica e Geologia Isotópica da Formação Lagamar (Grupo Vazante, Minas Gerais): uma Plataforma Carbonática no Mesoproterozoico
Published in Anuário do Instituto de Geociências (01-01-2020)“…A Formação Lagamar representa uma plataforma em um possível contexto extensional onde carbonatos precipitaram em altos estruturais em um mar aberto, na borda…”
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10
Carbon isotopes of Mesoproterozoic–Neoproterozoic sequences from Southern São Francisco craton and Araçuaí Belt, Brazil: Paleographic implications
Published in Journal of South American earth sciences (30-12-2004)“…This paper addresses the carbon isotope variations observed on Mesoproterozoic and Neoproterozoic carbonates from the southeastern part of the São Francisco…”
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11
Post-Brasiliano (Pan-African) high-K granitic magmatism in Central Brazil: the role of late Precambrian-early Palaeozoic extension
Published in Precambrian research (01-12-1996)“…In western Goiás, Brazil, the emplacement of large, high-K postorogenic granites and associated small gabbro-dioritic intrusions, followed immediately after…”
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12
Shrimp U–Pb zircon dating and palynology of bentonitic layers from the Permian Irati Formation, Paraná Basin, Brazil
Published in Gondwana research (01-06-2006)“…This paper presents the first SHRIMP zircon age data from bentonitic ash fall layers intercalated with the Irati sedimentary rocks, as well as palynofossils…”
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13
Nova unidade litoestratigráfica registra glaciação ediacarana em Mato Grosso: formação Serra Azul
Published in Geologia USP. Série científica (01-10-2008)Get full text
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Nova unidade litoestratigráfica registra glaciação ediacarana em Mato Grosso: formação Serra Azul
Published in Geologia USP. Série Científica (01-10-2008)“…Uma nova sucessão de diamictitos e siltitos foi encontrada acima dos carbonatos pós-Marinoanos do Grupo Araras, na porção norte da Faixa Paraguai, em…”
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New Lithostratigraphic Unit Records an Ediacaran Glaciation in Mato Grosso State, Brazil: Serra Azul Formation
Published in Geologia USP. Série científica (01-10-2008)“…A new succession of diamictites and siltstones was found above post-Marinoan carbonates from the Araras Group in the northern Paraguay Belt (Brazil), in…”
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