Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions

Detalhes bibliográficos
Autor(a) principal: Pires,Ana Christina Duarte
Data de Publicação: 2007
Outros Autores: Melo,Vander de Freitas, Lima,Valmiqui Costa, Motta,Antônio Carlos Vargas
Tipo de documento: Artigo
Idioma: eng
Título da fonte: Brazilian Archives of Biology and Technology
Texto Completo: http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000200001
Resumo: The aim of this work was to evaluate the mineralogical and chemical characteristics of most representative soils of the Region of Curitiba, Paraná State. Samples were collected at different depths. The results showed: (a) the quartz was the only identified mineral at the silt and sand fractions. The dominant clay mineral was Kaolinite, with contents ranging from 676.7 to 820.8 g kg-1. The gibbsite was also an important constituent of the most weathered horizons and the hematite and goethite contents were low, mainly in the Histosol; (b) at the C horizon of the Inceptisol, high intensity of vermiculite/smectite reflections were detected (X-ray diffraction), justifying the high capacity of expansion and contraction, normally showed for this soil horizon; (c) was observed a good relation between pedogenetic degree and crystallographic mineral characteristics.
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spelling Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractionsKaolinitecrystalline and amorphous Fe and Al oxides2:1 mineralsXRDThe aim of this work was to evaluate the mineralogical and chemical characteristics of most representative soils of the Region of Curitiba, Paraná State. Samples were collected at different depths. The results showed: (a) the quartz was the only identified mineral at the silt and sand fractions. The dominant clay mineral was Kaolinite, with contents ranging from 676.7 to 820.8 g kg-1. The gibbsite was also an important constituent of the most weathered horizons and the hematite and goethite contents were low, mainly in the Histosol; (b) at the C horizon of the Inceptisol, high intensity of vermiculite/smectite reflections were detected (X-ray diffraction), justifying the high capacity of expansion and contraction, normally showed for this soil horizon; (c) was observed a good relation between pedogenetic degree and crystallographic mineral characteristics.Instituto de Tecnologia do Paraná - Tecpar2007-03-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000200001Brazilian Archives of Biology and Technology v.50 n.2 2007reponame:Brazilian Archives of Biology and Technologyinstname:Instituto de Tecnologia do Paraná (Tecpar)instacron:TECPAR10.1590/S1516-89132007000200001info:eu-repo/semantics/openAccessPires,Ana Christina DuarteMelo,Vander de FreitasLima,Valmiqui CostaMotta,Antônio Carlos Vargaseng2007-06-12T00:00:00Zoai:scielo:S1516-89132007000200001Revistahttps://www.scielo.br/j/babt/https://old.scielo.br/oai/scielo-oai.phpbabt@tecpar.br||babt@tecpar.br1678-43241516-8913opendoar:2007-06-12T00:00Brazilian Archives of Biology and Technology - Instituto de Tecnologia do Paraná (Tecpar)false
dc.title.none.fl_str_mv Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
title Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
spellingShingle Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
Pires,Ana Christina Duarte
Kaolinite
crystalline and amorphous Fe and Al oxides
2:1 minerals
XRD
title_short Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
title_full Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
title_fullStr Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
title_full_unstemmed Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
title_sort Major soil classes of the metropolitan region of Curitiba (PR), Brazil: I - mineralogical characterization of the sand, silt and clay fractions
author Pires,Ana Christina Duarte
author_facet Pires,Ana Christina Duarte
Melo,Vander de Freitas
Lima,Valmiqui Costa
Motta,Antônio Carlos Vargas
author_role author
author2 Melo,Vander de Freitas
Lima,Valmiqui Costa
Motta,Antônio Carlos Vargas
author2_role author
author
author
dc.contributor.author.fl_str_mv Pires,Ana Christina Duarte
Melo,Vander de Freitas
Lima,Valmiqui Costa
Motta,Antônio Carlos Vargas
dc.subject.por.fl_str_mv Kaolinite
crystalline and amorphous Fe and Al oxides
2:1 minerals
XRD
topic Kaolinite
crystalline and amorphous Fe and Al oxides
2:1 minerals
XRD
description The aim of this work was to evaluate the mineralogical and chemical characteristics of most representative soils of the Region of Curitiba, Paraná State. Samples were collected at different depths. The results showed: (a) the quartz was the only identified mineral at the silt and sand fractions. The dominant clay mineral was Kaolinite, with contents ranging from 676.7 to 820.8 g kg-1. The gibbsite was also an important constituent of the most weathered horizons and the hematite and goethite contents were low, mainly in the Histosol; (b) at the C horizon of the Inceptisol, high intensity of vermiculite/smectite reflections were detected (X-ray diffraction), justifying the high capacity of expansion and contraction, normally showed for this soil horizon; (c) was observed a good relation between pedogenetic degree and crystallographic mineral characteristics.
publishDate 2007
dc.date.none.fl_str_mv 2007-03-01
dc.type.driver.fl_str_mv info:eu-repo/semantics/article
dc.type.status.fl_str_mv info:eu-repo/semantics/publishedVersion
format article
status_str publishedVersion
dc.identifier.uri.fl_str_mv http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000200001
url http://old.scielo.br/scielo.php?script=sci_arttext&pid=S1516-89132007000200001
dc.language.iso.fl_str_mv eng
language eng
dc.relation.none.fl_str_mv 10.1590/S1516-89132007000200001
dc.rights.driver.fl_str_mv info:eu-repo/semantics/openAccess
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv text/html
dc.publisher.none.fl_str_mv Instituto de Tecnologia do Paraná - Tecpar
publisher.none.fl_str_mv Instituto de Tecnologia do Paraná - Tecpar
dc.source.none.fl_str_mv Brazilian Archives of Biology and Technology v.50 n.2 2007
reponame:Brazilian Archives of Biology and Technology
instname:Instituto de Tecnologia do Paraná (Tecpar)
instacron:TECPAR
instname_str Instituto de Tecnologia do Paraná (Tecpar)
instacron_str TECPAR
institution TECPAR
reponame_str Brazilian Archives of Biology and Technology
collection Brazilian Archives of Biology and Technology
repository.name.fl_str_mv Brazilian Archives of Biology and Technology - Instituto de Tecnologia do Paraná (Tecpar)
repository.mail.fl_str_mv babt@tecpar.br||babt@tecpar.br
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