A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil
Autor(a) principal: | |
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Data de Publicação: | 2011 |
Outros Autores: | , , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Brazilian Journal of Geology |
Texto Completo: | http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892011000200263 |
Resumo: | Abstract: In the present study, detailed micro-analytical data (major and trace elements) in minerals from sills of Serra Geral Formation represents the first attempt to evaluate the partition coefficient of Sc, Ti, V, Cr, Co, Ni, Cu, Zn, Rb, Sr, Y, Zr, Nb, Mo, Cs, Ba, REE, Hf, Ta, Pb, Th and U among coexisting plagioclase, augite and pigeonite from 12 tholeiitic basaltic sills along the eastern border of the Paraná Basin, Brazil. These 12 samples come from Rio Grande do Sul, Paraná, São Paulo and Goiás states. Plagioclase/melt partition coefficients KD were determined in core, intermediate and rim zones using LA-ICP-MS and the results were compared with the variations of the elements Ca, Al, Na and Si in those areas. Partition coefficients of Sr and Eu decrease with the increase of Ca concentration in plagioclase. A reduction in temperature and consequently a rise in Na and Si levels increase the partition coefficients of Sr and Eu at the rim of mineral The KD of Ni and V in clinopyroxene has positive correlations with Mg2+, Ca2+ and Al3+ due to higher concentrations of those elements at the core and lower concentration towards the rim and negative correlations of KD of Sc, Cr, Co, Pb and Lu, due to preferential substitutions by Fe2+ in sixfold coordination. The use of LA-ICP-MS and EPMA made possible the chemical quantification of major and trace elements and the determination of partition coefficients in coexisting plagioclase and clinopyroxene in basaltic melts. |
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Brazilian Journal of Geology |
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A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, BrazilPartition coefficientplagioclaseclinopyroxeneSerra Geral FormationLA-ICP-MSAbstract: In the present study, detailed micro-analytical data (major and trace elements) in minerals from sills of Serra Geral Formation represents the first attempt to evaluate the partition coefficient of Sc, Ti, V, Cr, Co, Ni, Cu, Zn, Rb, Sr, Y, Zr, Nb, Mo, Cs, Ba, REE, Hf, Ta, Pb, Th and U among coexisting plagioclase, augite and pigeonite from 12 tholeiitic basaltic sills along the eastern border of the Paraná Basin, Brazil. These 12 samples come from Rio Grande do Sul, Paraná, São Paulo and Goiás states. Plagioclase/melt partition coefficients KD were determined in core, intermediate and rim zones using LA-ICP-MS and the results were compared with the variations of the elements Ca, Al, Na and Si in those areas. Partition coefficients of Sr and Eu decrease with the increase of Ca concentration in plagioclase. A reduction in temperature and consequently a rise in Na and Si levels increase the partition coefficients of Sr and Eu at the rim of mineral The KD of Ni and V in clinopyroxene has positive correlations with Mg2+, Ca2+ and Al3+ due to higher concentrations of those elements at the core and lower concentration towards the rim and negative correlations of KD of Sc, Cr, Co, Pb and Lu, due to preferential substitutions by Fe2+ in sixfold coordination. The use of LA-ICP-MS and EPMA made possible the chemical quantification of major and trace elements and the determination of partition coefficients in coexisting plagioclase and clinopyroxene in basaltic melts.Sociedade Brasileira de Geologia2011-04-01info:eu-repo/semantics/articleinfo:eu-repo/semantics/publishedVersiontext/htmlhttp://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892011000200263Brazilian Journal of Geology v.41 n.2 2011reponame:Brazilian Journal of Geologyinstname:Sociedade Brasileira de Geologia (SBGEO)instacron:SBGEO10.25249/0375-7536.2011412263289info:eu-repo/semantics/openAccessRenner,Leonardo CardosoHartmann,Léo AfraneoWildner,WilsonMassonne,Hans-JoachimTheye,Thomaseng2018-04-19T00:00:00Zoai:scielo:S2317-48892011000200263Revistahttp://bjg.siteoficial.ws/index.htmhttps://old.scielo.br/oai/scielo-oai.phpsbgsede@sbgeo.org.br||claudio.riccomini@gmail.com2317-46922317-4692opendoar:2018-04-19T00:00Brazilian Journal of Geology - Sociedade Brasileira de Geologia (SBGEO)false |
dc.title.none.fl_str_mv |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
title |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
spellingShingle |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil Renner,Leonardo Cardoso Partition coefficient plagioclase clinopyroxene Serra Geral Formation LA-ICP-MS |
title_short |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
title_full |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
title_fullStr |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
title_full_unstemmed |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
title_sort |
A micro-analytical approach to partition coefficients in plagioclase and clinopyroxene of basaltic sills in Serra Geral Formation, Paraná Basin, Brazil |
author |
Renner,Leonardo Cardoso |
author_facet |
Renner,Leonardo Cardoso Hartmann,Léo Afraneo Wildner,Wilson Massonne,Hans-Joachim Theye,Thomas |
author_role |
author |
author2 |
Hartmann,Léo Afraneo Wildner,Wilson Massonne,Hans-Joachim Theye,Thomas |
author2_role |
author author author author |
dc.contributor.author.fl_str_mv |
Renner,Leonardo Cardoso Hartmann,Léo Afraneo Wildner,Wilson Massonne,Hans-Joachim Theye,Thomas |
dc.subject.por.fl_str_mv |
Partition coefficient plagioclase clinopyroxene Serra Geral Formation LA-ICP-MS |
topic |
Partition coefficient plagioclase clinopyroxene Serra Geral Formation LA-ICP-MS |
description |
Abstract: In the present study, detailed micro-analytical data (major and trace elements) in minerals from sills of Serra Geral Formation represents the first attempt to evaluate the partition coefficient of Sc, Ti, V, Cr, Co, Ni, Cu, Zn, Rb, Sr, Y, Zr, Nb, Mo, Cs, Ba, REE, Hf, Ta, Pb, Th and U among coexisting plagioclase, augite and pigeonite from 12 tholeiitic basaltic sills along the eastern border of the Paraná Basin, Brazil. These 12 samples come from Rio Grande do Sul, Paraná, São Paulo and Goiás states. Plagioclase/melt partition coefficients KD were determined in core, intermediate and rim zones using LA-ICP-MS and the results were compared with the variations of the elements Ca, Al, Na and Si in those areas. Partition coefficients of Sr and Eu decrease with the increase of Ca concentration in plagioclase. A reduction in temperature and consequently a rise in Na and Si levels increase the partition coefficients of Sr and Eu at the rim of mineral The KD of Ni and V in clinopyroxene has positive correlations with Mg2+, Ca2+ and Al3+ due to higher concentrations of those elements at the core and lower concentration towards the rim and negative correlations of KD of Sc, Cr, Co, Pb and Lu, due to preferential substitutions by Fe2+ in sixfold coordination. The use of LA-ICP-MS and EPMA made possible the chemical quantification of major and trace elements and the determination of partition coefficients in coexisting plagioclase and clinopyroxene in basaltic melts. |
publishDate |
2011 |
dc.date.none.fl_str_mv |
2011-04-01 |
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=S2317-48892011000200263 |
url |
http://old.scielo.br/scielo.php?script=sci_arttext&pid=S2317-48892011000200263 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
10.25249/0375-7536.2011412263289 |
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 |
Sociedade Brasileira de Geologia |
publisher.none.fl_str_mv |
Sociedade Brasileira de Geologia |
dc.source.none.fl_str_mv |
Brazilian Journal of Geology v.41 n.2 2011 reponame:Brazilian Journal of Geology instname:Sociedade Brasileira de Geologia (SBGEO) instacron:SBGEO |
instname_str |
Sociedade Brasileira de Geologia (SBGEO) |
instacron_str |
SBGEO |
institution |
SBGEO |
reponame_str |
Brazilian Journal of Geology |
collection |
Brazilian Journal of Geology |
repository.name.fl_str_mv |
Brazilian Journal of Geology - Sociedade Brasileira de Geologia (SBGEO) |
repository.mail.fl_str_mv |
sbgsede@sbgeo.org.br||claudio.riccomini@gmail.com |
_version_ |
1752122397954146304 |