{"@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/1361699995352007168.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1111/iar.12405"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/iar.12405"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/full-xml/10.1111/iar.12405"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@value":"Tectonic setting and formation of the Setouchi volcanic rocks in the western Seto Inland Sea, Japan"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:title>Abstract</jats:title><jats:p>The Setouchi volcanic rocks include high‐Mg andesites (HMAs) and garnet‐bearing dacite–rhyolite, and are sporadically distributed along the Median Tectonic Line, Japan. New U–Pb zircon ages and geological and geochemical data are presented for those rocks in the Western Setouchi region (W‐Setouchi). Previous studies referred to the altered andesite in the W‐Setouchi as “pre‐Setouchi volcanic rocks.” However, on the basis of the new U–Pb age (14.4 Ma ± 0.3 Ma) and geochemical characteristics, we redefine it as the Jikamuro Formation, part of the Setouchi volcanic rocks. Incompatible elements are more enriched in the Jikamuro Formation rocks than in the Setouchi HMAs. The characteristic element compositions may be explained by mixing of compositionally different magmas, including subducted sediment melts, plus a contribution from crustal contamination. A stress‐inversion technique with Bingham distribution method was applied to the orientations of felsic and mafic dikes within the Setouchi volcanic rocks, and indicates paleo‐stress conditions during the period of Setouchi volcanism in the W‐Setouchi. The analysis reveals NNW‐extensional stresses and a strike‐slip stress. We infer that the former represents extensional conditions during the main period of volcanism and the latter represents a stress transition during the most recent period of volcanism (after 12 Ma).</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420845751144296192","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"80586595"},{"@type":"NRID","@value":"1000080586595"},{"@type":"NRID","@value":"9000412650733"}],"foaf:name":[{"@value":"Daisuke Sato"}],"jpcoar:affiliationName":[{"@value":"Research Institute of Geology and Geoinformation Geological Survey of Japan, AIST  Tsukuba Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995352007168","@type":"Researcher","foaf:name":[{"@value":"Toshiki Haji"}],"jpcoar:affiliationName":[{"@value":"Research Institute of Geology and Geoinformation Geological Survey of Japan, AIST  Tsukuba Japan"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"10384871"},{"@type":"EISSN","@value":"14401738"}],"prism:publicationName":[{"@value":"Island Arc"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"2021-01","prism:volume":"30","prism:number":"1"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1111/iar.12405"},{"@id":"https://onlinelibrary.wiley.com/doi/full-xml/10.1111/iar.12405"}],"createdAt":"2021-04-15","modifiedAt":"2023-08-28","project":[{"@id":"https://cir.nii.ac.jp/crid/1040287907233052160","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21K14023"},{"@type":"JGN","@value":"JP21K14023"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K14023/"}],"notation":[{"@language":"ja","@value":"白亜紀大規模珪長質カルデラ火山群のマグマフラックスの推定と評価"},{"@language":"en","@value":"Estimation and evaluation of magma flux for Cretaceous large silicic caldera cluster"}]},{"@id":"https://cir.nii.ac.jp/crid/1040287907244179200","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21K03731"},{"@type":"JGN","@value":"JP21K03731"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K03731/"}],"notation":[{"@language":"ja","@value":"西南日本の地帯構造発達史の検証に基づく島弧地殻成長プロセスの解明"},{"@language":"en","@value":"Investigation of the growth process of island arc crust based on verification of the history of zonal structural development in Southwestern Japan"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050001202844755456","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Stress inversion meets plasticity theory: A review of the theories of fault-slip analysis from the perspective of the deviatoric stress-strain 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values for GSJ reference samples, “Igneous rock series”"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204551464320","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Simultaneous determinations of U-Pb age and REE abundances for zircons using ArF excimer laser ablation-ICPMS"},{"@value":"Simultaneous determinations of U-Pb age and REE abundance for zircons using ArF excimer laser ablation–ICPMS"},{"@value":"Simultaneous determinations of U–Pb and REE abundances for zircons using ArF excimer laser ablation-ICPMS"},{"@value":"Simultaneous determinations of U-Pb age and REE abundances of zircon crystals using ArF Excimer laser ablation-inductively coupled plasma-mass spectrometry equipped with a Chicane ion lens system"},{"@value":"Simultaneous determinations of U-Pb age and REE abundances of zircon crystals using ArF Eximer laser ablation-inductively coupled plasma-mass spectrometry equipped with a Chicane ion lens system"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204552988416","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"U-Pb zircon ages of syenitic and granitic rocks in the Ashizuri igneous complex, southwestern Shikoku: Constraint for the origin of forearc alkaline magmatism"},{"@value":"U–Pb ages of syenitic and granitic rocks in the Ashizuri igneous complex, southwestern Shikoku: Constraint for the origin of the forarec alkaline magmatism"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206214883072","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Trace element characteristics of the Setouchi volcanic rocks from western Setonaikai."},{"@value":"瀬戸内海西部産瀬戸内火山岩の微量元素の特徴"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206233774336","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"K-Ar ages of the Miocene Setouchi-volcanic rocks in the western Setouchi Inland Sea region, Southwest Japan."},{"@value":"瀬戸内海西部地域における中新世瀬戸内火山岩類のＫ‐Ａｒ年代"},{"@language":"ja-Kana","@value":"セトナイカイ セイブ チイキ ニ オケル チュウシンセイ セトウチ カザンガンルイ ノ K Ar ネンダイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206233877248","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Paleomagnetic directions and K-Ar ages of Setouchi-volcanic rocks in Takanawa peninsula. Constraints for the timing of the clockwise rotation of Southwest Japan."},{"@value":"高縄半島に分布する瀬戸内火山岩類の古地磁気方位とＫ‐Ａｒ年代　　西南日本の時計回り回転運動への制約"},{"@language":"ja-Kana","@value":"タカナワ ハントウ ニ ブンプ スル セトウチ カザンガンルイ ノ コ チジキ ホウイ ト K Ar ネンダイ セイナン ニホン ノ トケイ マワリ カイテン ウンドウ エ ノ セイヤク"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206234093696","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Middle Miocene normal faulting along the Tobe Thrust in western Shikoku."},{"@value":"四国西部，砥部衝上断層における中新世中期の正断層運動"},{"@language":"ja-Kana","@value":"シコク セイブ トベ ショウジョウ ダンソウ ニ オケル チュウシンセイ チュ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206234285568","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Multiple tectonic events in the Miocene Japan arc: The Heike microplate hypothesis."},{"@language":"ja","@value":"日本列島周辺の中新世プレート運動: 平家プレート仮説"},{"@value":"Multiple tectonic events in the Miocene Japan arc: the Heike microplate hypothesis. Journal of Mineralogy"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206234295424","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The radiometric ages of Miocene volcanic rocks in the Nijo Group, southeastern Osaka, Japan."},{"@value":"大阪東南部，二上層群の中新世火山岩の放射年代"},{"@language":"ja-Kana","@value":"オオサカ トウナンブ ニジョウソウグン ノ チュウシンセイ カザンガン ノ ホ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206235047552","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Middle Miocene andesite and dacite and Late Miocene basalt from the Kurahashi Jima and Hashira Jima districts in the western Setouchi region, Japan."},{"@language":"ja","@value":"瀬戸内海西部，倉橋島及び柱島地域の中期中新世安山岩―デイサイトと後期中新世玄武岩"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206235305472","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Fission-track dating of the Setouchi volcanic rocks: An example from the Nijo 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