{"@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/1362825894881852288.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1126/science.289.5488.2332"}},{"identifier":{"@type":"URI","@value":"https://www.science.org/doi/pdf/10.1126/science.289.5488.2332"}}],"dc:title":[{"@value":"Dating of Pore Waters with\n            <sup>129</sup>\n            I: Relevance for the Origin of Marine Gas Hydrates"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Pore waters associated with gas hydrates at Blake Ridge in the Atlantic Ocean were dated by measuring their iodine-129/iodine ratios. Samples collected from sediments with ages between 1.8 and 6 million years ago consistently yield ages around 55 million years ago. These ages, together with the strong iodine enrichment observed in the pore waters, suggest that the origin of iodine is related to organic material of early Tertiary age, which probably is also the source of the methane in the gas hydrates at this location.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1382825894881852288","@type":"Researcher","foaf:name":[{"@value":"Udo Fehn"}],"jpcoar:affiliationName":[{"@value":"Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627, USA."}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894881852290","@type":"Researcher","foaf:name":[{"@value":"Glen Snyder"}],"jpcoar:affiliationName":[{"@value":"Department of Earth and Environmental Sciences, University of Rochester, Rochester, NY 14627, USA."}]},{"@id":"https://cir.nii.ac.jp/crid/1382825894881852289","@type":"Researcher","foaf:name":[{"@value":"Per K. Egeberg"}],"jpcoar:affiliationName":[{"@value":"Department of Chemistry, Agder College, Tordenskjoldgate 65, 4604 Kristiansand, Norway."}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00368075"},{"@type":"EISSN","@value":"10959203"}],"prism:publicationName":[{"@value":"Science"}],"dc:publisher":[{"@value":"American Association for the Advancement of Science (AAAS)"}],"prism:publicationDate":"2000-09-29","prism:volume":"289","prism:number":"5488","prism:startingPage":"2332","prism:endingPage":"2335"},"reviewed":"false","url":[{"@id":"https://www.science.org/doi/pdf/10.1126/science.289.5488.2332"}],"createdAt":"2002-07-27","modifiedAt":"2024-01-13","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004232402536064","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"The status of the AMS system at MALT in its 20th 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field, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360846640867381376","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Age and speciation of iodine in groundwater and mudstones of the Horonobe area, Hokkaido, Japan: Implications for the origin and migration of iodine during basin evolution"}]},{"@id":"https://cir.nii.ac.jp/crid/1360857593669487488","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Doubly substituted isotopologues of methane hydrate (13CH3D and 12CH2D2): Implications for methane clumped isotope effects, source apportionments and global hydrate reservoirs"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204552173824","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Methane production and accumulation in the Nankai accretionary prism: Results from IODP Expeditions 315 and 316"},{"@value":"Gas Chemistry of Pore Fluids from Oomine Ridge on the Nankai Accretionary Prism"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206512977536","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Iodine isotope ratios and halide concentrations in fluids of the Satsuma-Iwojima volcano, Japan"},{"@value":"Iodine isotope ratio and halide concentrations in fluids of the Satuma-Iwojima volcano, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1390017533218407808","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Iodine-129, a Potential Dating Tool"},{"@language":"ja","@value":"<sup>129</sup>Iを利用した年代測定の可能性"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679323073408","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Microbial Contribution to Global Iodine Cycling: Volatilization, Accumulation, Reduction, Oxidation, and Sorption of Iodine"}]},{"@id":"https://cir.nii.ac.jp/crid/1390584243404876032","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A review and interpretation of iodine-129 in Earth's surface layers: Towards evaluating the long-term stability of geological environments"},{"@language":"ja","@value":"地球表層環境のヨウ素129研究の現状と考察：地質環境長期安定性評価に向けて"}]},{"@id":"https://cir.nii.ac.jp/crid/2050025942186679296","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Groundwater, possibly originated from subducted sediments, in Joban and Hamadori areas, southern Tohoku, 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