{"@context":{"@vocab":"https://cir.nii.ac.jp/schema/1.0/","rdfs":"http://www.w3.org/2000/01/rdf-schema#","dc":"http://purl.org/dc/elements/1.1/","dcterms":"http://purl.org/dc/terms/","foaf":"http://xmlns.com/foaf/0.1/","prism":"http://prismstandard.org/namespaces/basic/2.0/","cinii":"http://ci.nii.ac.jp/ns/1.0/","datacite":"https://schema.datacite.org/meta/kernel-4/","ndl":"http://ndl.go.jp/dcndl/terms/","jpcoar":"https://github.com/JPCOAR/schema/blob/master/2.0/"},"@id":"https://cir.nii.ac.jp/crid/1362544419338143232.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1029/gl009i011p01271"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1029%2FGL009i011p01271"}},{"identifier":{"@type":"URI","@value":"https://agupubs.onlinelibrary.wiley.com/doi/pdf/10.1029/GL009i011p01271"}}],"dc:title":[{"@value":"Free carbon & electrical conductivity in the Earth's mantle"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Laboratory measurements indicate that solid carbon, either amorphous or as graphite, enhances the electrical conductivity of rocks. Carbon in quantities of only a few ppm, providing it forms an interconnected phase, could give rise to electrical conductivities of the order seen in the high conductivity layers in the earth's mantle. This possibility is consistent with carbon petrology in mantle rocks and puts the formation and migration of abiogenic carbon compounds into a broader context.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380004057872160385","@type":"Researcher","foaf:name":[{"@value":"A. G. Duba"}]},{"@id":"https://cir.nii.ac.jp/crid/1382544419338143233","@type":"Researcher","foaf:name":[{"@value":"T. J. 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