Phase equilibria and geochronology of Ossa-Morena eclogites

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dc.contributor.authorMoita, Patricia
dc.contributor.authorMunhá, José
dc.contributor.authorFonseca, Paulo
dc.contributor.authorPedro, Jorge
dc.contributor.authorAraújo, Alexandre
dc.contributor.authorTassinari, Colombo
dc.contributor.authorPalacios, Teresa
dc.date.accessioned2010-12-13T10:29:27Z
dc.date.available2010-12-13T10:29:27Z
dc.date.issued2005
dc.description.abstractThe mineralogical evolution of OMZ eclogites was modelled by calculated P-T pseudosection analysis for an appropriate bulk composition in the model system CNFMASH. OMZ eclogites having developed a clockwise P-T path that reached 16-18 kbar and 600-650 ºC, underwent isothermal decompression to 12-10 kbar before final cooling (< 550 ºC) to greenschist facies conditions. Sm/Nd and Ar/Ar radiometric data indicate that the OMZ eclogite facies metamorphism took place at ~370 Ma, being followed shortly afterwards by exhumation during (D1) nappe emplacement.en
dc.format.extent2205956 bytes
dc.format.mimetypeapplication/msword
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dc.identifier.comunicacaoPoster - XIV Semana de Geoquímica / VIII Congresso de Geoquímica dos Países de Língua Portuguesaen
dc.identifier.localAveiroen
dc.identifier.pagina471-471en
dc.identifier.scientificarea250en
dc.identifier.sharewithGEOen
dc.identifier.urihttp://hdl.handle.net/10174/2299
dc.identifier.withinvitedoralpresentationnaoen
dc.identifier.withoralpresentationnaoen
dc.identifier.withpostersimen
dc.language.isoeng
dc.rightsopenAccessen
dc.subjectEclogitesen
dc.subjectOssa-Morena Zoneen
dc.titlePhase equilibria and geochronology of Ossa-Morena eclogitesen
dc.typelectureen

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