Search Results - "Oliveira, Gustavo Diniz"
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Petrology of volcanic rocks of the Serra Sul mine, Carajás Province, Pará
Published in Brazilian journal of geology (01-01-2023)“…Abstract The Parauapebas Formation and Igarapé Cigarra Formation constitute two Neoarchean extrusive units inserted in the metavolcanosedimentary sequence…”
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The Vazante and Canastra groups revisited: Sm-Nd and Sr isotopes - evidence for contribution from Tonian intraplate magmatism during passive margin development along the SW São Francisco margin, Brazil
Published in Brazilian journal of geology (01-01-2019)“…Abstract Combined Sm-Nd isotope studies and U-Pb ages of detrital zircons have shown significant differences between the provenance patterns of Neoproterozoic…”
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The thrust contact between the Canastra and Vazante groups in the Southern Brasília Belt: structural evolution, white mica crystallinity and implications for the Brasiliano orogeny
Published in Brazilian journal of geology (01-12-2016)“…Two regional thrust-sheets of Neoproterozoic metasedimentary rocks occur in the Southern Brasília Belt, northwest Minas Gerais. The lower one comprises the…”
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Diamonds from the Coromandel Area, West Minas Gerais State, Brazil: an update and new data on surface sources and origin
Published in Brazilian journal of geology (01-06-2014)“…Important diamond deposits southeast of Coromandel and the local geology have been studied in an attempt to understand what surface source provided the stones…”
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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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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
Published in Precambrian research (01-12-2019)“…•Integration of lithogeochemistry and detrital zircon U – Pb dates to constrain provenance.•Upper Vazante detritus derived mainly from Paleoproterozoic…”
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Metal sources in the Proterozoic Vazante-Paracatu sediment-hosted Zn district, Brazil; constraints from Pb isotope compositions of meta-siliciclastic units
Published in Canadian mineralogist (01-09-2021)“…Different types of sediment-hosted whole-rock Pb isotope (206Pb/204Pb, 207Pb/204Pb, 208Pb/204Pb) compositions were determined from phyllites, carbonaceous…”
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The integration of physical rock properties, mineralogy and geochemistry for the exploration of large zinc silicate deposits: A case study of the Vazante zinc deposits, Minas Gerais, Brazil
Published in Journal of applied geophysics (01-01-2017)“…The Vazante deposit, which is the world's largest zinc silicate deposit, occurs in brecciated dolomite and comprises mainly willemite with various proportions…”
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