{"@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/1361699994149650944.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1111/j.1440-1738.2007.00607.x"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1440-1738.2007.00607.x"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1440-1738.2007.00607.x"}}],"dc:title":[{"@value":"Paleocene large‐scale normal faulting along the Median Tectonic Line, western Shikoku, Japan"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p><jats:bold>Abstract </jats:bold> The Median Tectonic Line (MTL) in southwest Japan, a major east–west‐trending arc‐parallel fault, has been defined as the boundary fault between the Cretaceous Sambagawa metamorphic rocks and Ryoke granitic and metamorphic rocks, which are unconformably covered by the Upper Cretaceous Izumi Group. The juxtaposition by faulting occurred after the deposition of the Izumi Group. Based on detailed fieldwork and previous studies, the authors reconstruct the kinematic history along the MTL during the Paleogene period, which has not been fully understood before. It is noted that although the strata of the Izumi Group along the MTL dip gently, east–west‐trending north‐vergent folds with the wavelength of ∼300 m commonly develop up to 2 km north from the MTL. Along the MTL, a disturbed zone of the Izumi Group up to 400 m thick, defined by the development of boudinage structures with the transverse boudin axis dipping nearly parallel to the MTL, occurs. Furthermore, east–west‐trending north‐vergent folds with the wavelength of 1–5 m develop within the distance up to 60 m from the MTL. The disturbed zone with the map‐scale north‐vergent folds along the MTL, strongly suggests that they formed due to normal faulting with a top‐to‐the‐north sense along the MTL. Considering that the normal faulting is associated with the final exhumation of the Sambagawa metamorphic rocks, and its juxtaposition against the Izumi Group at depth, this perhaps occurred before the denudation of the Sambagawa metamorphic rocks indicated by the deposition of the Lower Eocene Hiwada‐toge Formation. Dynamic equilibrium between crustal thickening at depth (underplating) and extension at shallow level is a plausible explanation for the normal faulting because the arc‐normal extension suggests gravity as the driving force.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380288171397376386","@type":"Researcher","foaf:name":[{"@value":"Yasu'uchi Kubota"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699994149651072","@type":"Researcher","foaf:name":[{"@value":"Toru Takeshita"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"10384871"},{"@type":"EISSN","@value":"14401738"},{"@type":"PISSN","@value":"http://id.crossref.org/issn/10384871"}],"prism:publicationName":[{"@value":"Island Arc"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2007-12-06","prism:volume":"17","prism:number":"1","prism:startingPage":"129","prism:endingPage":"151"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1111%2Fj.1440-1738.2007.00607.x"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/j.1440-1738.2007.00607.x"}],"createdAt":"2010-09-23","modifiedAt":"2023-10-15","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360002218220137984","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Fluid inclusion microthermometry for <i>P–T</i> constraints on normal displacement along the Median Tectonic Line in Northern Besshi area, Southwest Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004235527970176","@type":"Article","resourceType":"学術雑誌論文(journal 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Zircon Dating and Phase Equilibria Modelling in the Sarutagawa Region, Central Shikoku, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848654733480064","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Stress rotations and the long-term weakness of the Median Tectonic Line and the Rokko-Awaji Segment"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848654738683136","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Hydraulic Properties of Closely Spaced Dipping Open Fractures Intersecting a Fluid‐Filled Borehole Derived From Tube Wave Generation and Scattering"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848657254645888","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"The first (U–Th)/He thermochronology of pseudotachylyte from the Median Tectonic Line, southwest 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rocks"},{"@language":"ja","@value":"関東山地東縁部，比企丘陵中新統青岩礫岩中の変成岩礫のK-Ar年代"},{"@language":"ja-Kana","@value":"カントウ サンチ トウエンブ ヒキキュウリョウ チュウ シントウアオイワレキガン チュウ ノ ヘンセイガンレキ ノ K Ar ネンダイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206237356800","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Oldest record of brittle deformation along the Median Tectonic Line: fission-track age for pseudotachylyte in the Taki area, Mie Prefecture"},{"@language":"ja","@value":"中央構造線の脆性変形の最古の記録：三重県多気地域のシュードタキライトのフィッショントラック年代"},{"@value":"Oldest record of brittle deformation along the Median Tectonic Line: fission-track age for pseudotachylite in the Taki area, Mie Prefecture"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206239676416","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Paleostress directions estimated from healed microcracks in the Cretaceous granitoids:"},{"@language":"ja","@value":"中部地方白亜紀花崗岩類中に発達するヒールドマイクロクラックを用いた古応力解析："},{"@value":"中部地方白亜紀花崗岩類中に発達するヒールドマイクロクラックを用いた古応力解析 : 特に中央構造線と直交方向に沿った変化について"},{"@language":"ja-Kana","@value":"チュウブ チホウ ハクアキ ハナオカガンルイ チュウ ニ ハッタツ スル ヒールドマイクロクラック オ モチイタ コ オウリョク カイセキ : トクニ チュウオウ コウゾウセン ト チョッコウ ホウコウ ニ ソッタ ヘンカ ニ ツイテ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206239986176","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tectonic landform and geology of the Median Tectonic Line Fault Zone in western Shikoku, southwest Japan"},{"@language":"ja","@value":"四国西部の中央構造線断層帯の地形と地質"},{"@language":"ja-Kana","@value":"シコク セイブ ノ チュウオウ コウゾウセン ダンソウタイ ノ チケイ ト チシツ"},{"@value":"Tectonic landform and geology of the Median Tectonic Line Fault Zone in western Shikoku, Southwest Japan (in Japanese with English 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Japan"},{"@language":"ja","@value":"領家帯に記録された東アジア東縁の白亜紀イベント"},{"@language":"ja-Kana","@value":"リョウケタイ ニ キロク サレタ ヒガシアジア トウエン ノ ハクアキ イベント"},{"@value":"Cretaceous events at the eastern margin of the East Asia recorded in rocks of the Ryoke belt,"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679207143168","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tectonics in the Forearc Region of Central and SW Japan during the Japan Sea Opening"},{"@language":"ja","@value":"日本海拡大時の中央および西南日本前弧域テクトニクス"},{"@language":"ja-Kana","@value":"ニホンカイ カクダイジ ノ チュウオウ オヨビ セイナン ニホン ゼン コイキ テクトニクス"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681214806784","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Fission-track zircon ages of psammitic schist from the chlorite zone of the Sambagawa metamorphic belt, central Shikoku, 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