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Please use this identifier to cite or link to this item: http://hdl.handle.net/2122/5010
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dc.contributor.authorallGaillard, F.; CNRS/INSU, Université d'Orléans, Université François Rabelais - Tours,en
dc.contributor.authorallMalki, M.; CEMHTI-CNRS, UPR3079, 1D avenue de la Recherche Scientifique, 45071 Orléans cedex2,en
dc.contributor.authorallIacono Marziano, G.; Istituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.authorallPichavant, M.; CNRS/INSU, Université d'Orléans, Université François Rabelais - Tours,en
dc.contributor.authorallScaillet, B.; CNRS/INSU, Université d'Orléans, Université François Rabelais - Tours,en
dc.date.accessioned2009-04-07T06:20:52Zen
dc.date.available2009-04-07T06:20:52Zen
dc.date.issued2008-11en
dc.identifier.urihttp://hdl.handle.net/2122/5010en
dc.description.abstractElectrically conductive regions in the Earth mantle have been interpreted to reflect the presence of either silicate melt or water dissolved in olivine. On the basis of laboratory measurements we show that molten carbonates have electrical conductivities that are 3 orders of magnitude higher than those of molten silicate and 5 orders of magnitude higher than those of hydrated olivine. High conductivities in the asthenosphere probably indicate the presence of small amounts of carbonate melt in peridotite and can therefore be interpreted in terms of carbon concentration in the upper mantle. We show that the conductivity of the Oceanic asthenosphere can be explained by 0.1 volume % of carbonatite melts on average, which agrees with the CO2 content of Mid Ocean Ridge Basalts.en
dc.language.isoEnglishen
dc.publisher.nameAAASen
dc.relation.ispartofScienceen
dc.relation.ispartofseries/322 (2008)en
dc.subjectelectrical conductivityen
dc.subjectmantleen
dc.titleCarbonatite Melts and Electrical Conductivity in the Asthenosphereen
dc.typearticleen
dc.description.statusPublisheden
dc.type.QualityControlPeer-revieweden
dc.description.pagenumber1363-1365en
dc.subject.INGV04. Solid Earth::04.01. Earth Interior::04.01.02. Geological and geophysical evidences of deep processesen
dc.identifier.doi10.1126/science.1164446en
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dc.description.obiettivoSpecifico3.3. Geodinamica e struttura dell'interno della Terraen
dc.description.journalTypeJCR Journalen
dc.description.fulltextopenen
dc.contributor.authorGaillard, F.en
dc.contributor.authorMalki, M.en
dc.contributor.authorIacono Marziano, G.en
dc.contributor.authorPichavant, M.en
dc.contributor.authorScaillet, B.en
dc.contributor.departmentCNRS/INSU, Université d'Orléans, Université François Rabelais - Tours,en
dc.contributor.departmentCEMHTI-CNRS, UPR3079, 1D avenue de la Recherche Scientifique, 45071 Orléans cedex2,en
dc.contributor.departmentIstituto Nazionale di Geofisica e Vulcanologia, Sezione Palermo, Palermo, Italiaen
dc.contributor.departmentCNRS/INSU, Université d'Orléans, Université François Rabelais - Tours,en
dc.contributor.departmentCNRS/INSU, Université d'Orléans, Université François Rabelais - Tours,en
item.openairetypearticle-
item.cerifentitytypePublications-
item.languageiso639-1en-
item.grantfulltextopen-
item.openairecristypehttp://purl.org/coar/resource_type/c_18cf-
item.fulltextWith Fulltext-
crisitem.author.deptISTO, Université d’Orleans Campus Geosciences,Orléans, France-
crisitem.author.deptCEMHTI-CNRS, UPR3079, 1D avenue de la Recherche Scientifique, 45071 Orléans cedex2,-
crisitem.author.deptCNRS Orleans, Francia-
crisitem.author.deptCNRS Orleans, Francia-
crisitem.classification.parent04. Solid Earth-
crisitem.department.parentorgIstituto Nazionale di Geofisica e Vulcanologia-
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