{"@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/1390282679037525632.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.3720/japt.65.103"}},{"identifier":{"@type":"NAID","@value":"130003922341"}}],"dc:title":[{"@language":"en","@value":"Crustal structure of the Hidaka collision zone and its foreland fold-and-thrust belt, Hokkaido, Japan."},{"@value":"日高衝突帯‐前縁しゅう曲・衝上断層帯の地殻構造"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"The collision of the Kuril arc against the Northeast Japan arc has made a conspicuous crustal structure from the Hidaka mountain range to the Ishikari-Tomakomai lowland, Hokkaido, Japan, since Miocene. Recent advance of deep seismic reflection studies has revealed that the Kuril arc lithosphere is delaminated at about 23km deep in the lower crust in the Hidaka collision zone. The upper half of the lithosphere (upper crust+upper portion of the lower crust) is thrust westward on the Northeast Japan arc, whereas the lower half (lower portion of the lower crust+upper mantle) descends down. The wedge of the Northeast Japan arc lithosphere intrudes eastward into the delaminated Kuril arc lithosphere. The structure is called as a “delamination-wedge structure”. In the western foreland area of the Hidaka mountain range, the west-verging fold-and-thrust belt occurs more than 70km wide involving the pre-Tertiary strata. The activity of the belt has shifted westward since the initiation of the collision. The shortening length in the foreland fold-and-thrust belt is about 60km, which is nearly equal to the delamination-wedge length toward the colliding direction. The two lines of evidence mentioned above, the westward shift of the activity and the coincidence of both lengths, indicate that the fold-and-thrust belt has been growing associated directly with the formation of the delamination-wedge structure."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1030003658329959682","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"50111448"},{"@type":"NRID","@value":"1000050111448"},{"@type":"NRID","@value":"9000014420326"},{"@type":"NRID","@value":"9000347190332"},{"@type":"NRID","@value":"9000403550242"},{"@type":"NRID","@value":"9000254150570"},{"@type":"NRID","@value":"9000016876146"},{"@type":"NRID","@value":"9000386336811"},{"@type":"NRID","@value":"9000347166991"},{"@type":"NRID","@value":"9000001756457"},{"@type":"NRID","@value":"9000004621967"},{"@type":"NRID","@value":"9000258411410"},{"@type":"NRID","@value":"9000021562812"},{"@type":"NRID","@value":"9000347136301"},{"@type":"NRID","@value":"9000347083504"},{"@type":"NRID","@value":"9000258411461"},{"@type":"NRID","@value":"9000345378837"},{"@type":"NRID","@value":"9000254631308"},{"@type":"NRID","@value":"9000020957014"},{"@type":"NRID","@value":"9000258417916"},{"@type":"NRID","@value":"9000258411608"},{"@type":"NRID","@value":"9000347083738"},{"@type":"NRID","@value":"9000254741402"},{"@type":"NRID","@value":"9000254150652"},{"@type":"NRID","@value":"9000258410510"},{"@type":"NRID","@value":"9000258417870"},{"@type":"NRID","@value":"9000254584977"},{"@type":"NRID","@value":"9000410949328"},{"@type":"NRID","@value":"9000345269013"},{"@type":"NRID","@value":"9000254585311"},{"@type":"NRID","@value":"9000254585404"},{"@type":"NRID","@value":"9000410949818"},{"@type":"NRID","@value":"9000410950116"},{"@type":"NRID","@value":"9000400193979"},{"@type":"NRID","@value":"9000304606423"},{"@type":"NRID","@value":"9000021558175"},{"@type":"NRID","@value":"9000410949813"},{"@type":"NRID","@value":"9000410949581"},{"@type":"NRID","@value":"9000345426880"},{"@type":"NRID","@value":"9000347155811"},{"@type":"NRID","@value":"9000391785233"},{"@type":"NRID","@value":"9000019219082"},{"@type":"NRID","@value":"9000283726029"},{"@type":"NRID","@value":"9000350561118"},{"@type":"NRID","@value":"9000000650170"},{"@type":"NRID","@value":"9000365022478"},{"@type":"NRID","@value":"9000347137598"},{"@type":"NRID","@value":"9000240048392"},{"@type":"NRID","@value":"9000010191576"},{"@type":"NRID","@value":"9000264265864"},{"@type":"NRID","@value":"9000410949860"},{"@type":"NRID","@value":"9000347191423"},{"@type":"NRID","@value":"9000283146521"},{"@type":"NRID","@value":"9000258413064"},{"@type":"NRID","@value":"9000258413577"},{"@type":"NRID","@value":"9000403409836"},{"@type":"NRID","@value":"9000020979730"},{"@type":"NRID","@value":"9000258415634"},{"@type":"NRID","@value":"9000391404855"},{"@type":"NRID","@value":"9000350559972"},{"@type":"NRID","@value":"9000350559956"},{"@type":"NRID","@value":"9000345427701"},{"@type":"NRID","@value":"9000345426849"},{"@type":"NRID","@value":"9000258417555"},{"@type":"NRID","@value":"9000365024142"},{"@type":"NRID","@value":"9000365024230"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0170492"}],"foaf:name":[{"@language":"en","@value":"Ito Tanio"},{"@language":"ja","@value":"伊藤 谷生"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Earth Sciences, Chiba University"},{"@language":"ja","@value":"千葉大学理学部地球科学科"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"03709868"},{"@type":"EISSN","@value":"18814131"},{"@type":"CODEN","@value":"SGKYAO"}],"prism:publicationName":[{"@language":"en","@value":"Journal of the Japanese Association for Petroleum Technology"},{"@language":"ja","@value":"石油技術協会誌"},{"@language":"en","@value":"J. JAPANESE. ASSOC. PETROL. TECHNOL."},{"@language":"en","@value":"J. Petroleum Tech."},{"@language":"ja","@value":"石技誌"}],"dc:publisher":[{"@language":"en","@value":"The Japanese Association for Petroleum Technology"},{"@language":"ja","@value":"石油技術協会"}],"prism:publicationDate":"2000","prism:volume":"65","prism:number":"1","prism:startingPage":"103","prism:endingPage":"109"},"reviewed":"false","availableAt":"2000","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=deep%20seismic%20reflection","dc:title":"deep seismic reflection"},{"@id":"https://cir.nii.ac.jp/all?q=Hidaka%20collision%20zone","dc:title":"Hidaka collision zone"},{"@id":"https://cir.nii.ac.jp/all?q=delamination-wedge%20structure","dc:title":"delamination-wedge structure"},{"@id":"https://cir.nii.ac.jp/all?q=fold-and-thrust%20belt","dc:title":"fold-and-thrust belt"},{"@id":"https://cir.nii.ac.jp/all?q=Hokkaido","dc:title":"Hokkaido"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050025031477811328","@type":"Article","resourceType":"学術雑誌論文(journal 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