Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/3944
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dc.contributor.authorNeiva, A. M. R.-
dc.contributor.authorSilva, M. M. V. G.-
dc.contributor.authorGomes, M. E. P.-
dc.contributor.authorCampos, T. F. C.-
dc.date.accessioned2008-08-29T16:07:04Z-
dc.date.available2008-08-29T16:07:04Z-
dc.date.issued2002en_US
dc.identifier.citationChemie der Erde - Geochemistry. 62:3 (2002) 197-215en_US
dc.identifier.urihttp://hdl.handle.net/10316/3944-
dc.description.abstractIn nine Portugese peraluminous Hercynian granitic series of differentiation, Cr, V, Sc and Ba decrease, whereas Nb, Zn, Sn, Li, Rb and Cs increase in the sequence of micas crystallization. Commonly equilibrium was not attained for trace elements between coexisting primary biotite and muscovite. Correlations of Cr, V, Nb, Li, Rb and Cs were found for biotite-muscovite pairs. The same correlation has a different slope in distinct series due to distinct degree of fractional crystallization, but also to solid-liquid reequilibration during late-magmatic evolution, as suggested by regression lines, which do not generally pass through the origin. Most trace elements partition in favour of biotite, while Sn, Sc, Sr and Ba prefer muscovite. These micas probably crystallized simultaneously as suggested by intergrowths. The partition ratio for Cs is one series is similar to that found experimentally.en_US
dc.description.urihttp://www.sciencedirect.com/science/article/B7CW6-4DPD0TG-9/1/a88d9d021284a0b0e73ba9e062bc5ae2en_US
dc.format.mimetypeaplication/PDFen
dc.language.isoengeng
dc.rightsopenAccesseng
dc.subjectbiotiteen_US
dc.subjectmuscoviteen_US
dc.subjectequilibriumen_US
dc.subjectdirequilibriumen_US
dc.subjectgranitic differentiation seriesen_US
dc.titleGeochemistry of Coexisting Biotite and Muscovite of Portuguese Peraluminous Granitic Differentiation Seriesen_US
dc.typearticleen_US
dc.identifier.doi10.1078/0009-2819-00007-
item.languageiso639-1en-
item.fulltextCom Texto completo-
item.grantfulltextopen-
crisitem.author.researchunitCEMMPRE - Centre for Mechanical Engineering, Materials and Processes-
crisitem.author.orcid0000-0003-3105-8435-
Appears in Collections:FCTUC Ciências da Terra - Artigos em Revistas Internacionais
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