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Please use this identifier to cite or link to this item: http://hdl.handle.net/1843/52483
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dc.creatorAna Carolina Campos Mateuspt_BR
dc.creatorAngélica Fortes Drummond Chicarino Varajãopt_BR
dc.creatorFábio Soares de Oliveirapt_BR
dc.creatorSabine Petitpt_BR
dc.creatorCarlos Ernesto Gonçalves Reynaud Schaeferpt_BR
dc.date.accessioned2023-04-25T20:32:40Z-
dc.date.available2023-04-25T20:32:40Z-
dc.date.issued2021-
dc.citation.volume51pt_BR
dc.citation.issue1pt_BR
dc.citation.spagee20200073pt_BR
dc.citation.epage11pt_BR
dc.identifier.doihttps://doi.org/10.1590/2317-4889202120200073pt_BR
dc.identifier.issn2317-4889pt_BR
dc.identifier.urihttp://hdl.handle.net/1843/52483-
dc.description.resumoAbstract The geochemical behavior of the major, minor, trace and rare earths elements (REEs) in soil profiles from ultramafic volcanoclastic rocks of the Vulcão do Paredão and Morro Vermelho Formation from Trindade Island (TI) was analyzed in this study. Losses and gains of chemical elements were calculated through the mass balance for two profiles along the slope: one located at higher altitude (460 m) and the other at lower altitude (258 m). In all profiles, Al, Fe and Ti accumulate due to their low mobility, whereas Ca, Na, K and Mg are the most intensely leached. Soils located at lower altitude show higher K and Mg values in the surface due to the contribution of saline sprays. Leaching of the REEs from higher to the lower slope led to the enrichment of these elements, especially the light REEs, in the soil at the lowest altitude (258 m). The high altitude profile showed Ce positive anomaly due to longer exposure to weathering. The geochemical balance shows a relative enrichment of Ti, Mn, Fe, Co, Cr, Ni, V, Zr, S related to the loss of mobile elements during the soil formation process, despite the youthful nature of these volcanic rocks.pt_BR
dc.description.sponsorshipCNPq - Conselho Nacional de Desenvolvimento Científico e Tecnológicopt_BR
dc.description.sponsorshipFAPEMIG - Fundação de Amparo à Pesquisa do Estado de Minas Geraispt_BR
dc.description.sponsorshipCAPES - Coordenação de Aperfeiçoamento de Pessoal de Nível Superiorpt_BR
dc.format.mimetypepdfpt_BR
dc.languageengpt_BR
dc.publisherUniversidade Federal de Minas Geraispt_BR
dc.publisher.countryBrasilpt_BR
dc.publisher.departmentIGC - DEPARTAMENTO DE GEOGRAFIApt_BR
dc.publisher.initialsUFMGpt_BR
dc.relation.ispartofBrazilian Journal of Geologypt_BR
dc.rightsAcesso Abertopt_BR
dc.subjectGeochemical balancept_BR
dc.subjectREEspt_BR
dc.subjectInductively coupled plasma atomic emission spectroscopy (ICP-AES)pt_BR
dc.subject.otherSolospt_BR
dc.subject.otherCiência do solopt_BR
dc.subject.otherIlhas - Atlântico, Oceanopt_BR
dc.subject.otherRochaspt_BR
dc.titleGeochemical evolution of soils developed from pyroclastic rocks of Trindade Island, South Atlanticpt_BR
dc.typeArtigo de Periódicopt_BR
dc.url.externahttps://www.scielo.br/j/bjgeo/a/ZRqskSQS5czdnJxM5HXWHGs/?lang=enpt_BR
dc.identifier.orcidhttp://orcid.org/0000-0001-6345-1835pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0002-9930-1801pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0002-1450-7609pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0002-3704-7537pt_BR
dc.identifier.orcidhttp://orcid.org/0000-0001-7060-1598pt_BR
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