{"@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/1390001205195909760.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.9795/bullgsj.57.73"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"8658435"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/8658435"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I8658435"}},{"identifier":{"@type":"URI","@value":"https://dl.ndl.go.jp/pid/9676764"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/bullgsj/57/3-4/57_73/_pdf"}},{"identifier":{"@type":"NAID","@value":"130005130333"}}],"dc:title":[{"@language":"ja","@value":"富山県八尾地域に分布する下部‐中部中新統の古地磁気学的研究"},{"@language":"en","@value":"Paleomagnetism of the Lower to Middle Miocene Series in the Yatsuo area, eastern part of southwest Japan: clockwise rotation and marine transgression during a short period"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Process of the tectonic rotation related to Japan Sea opening is viewed from tilt-corrected paleomagnetic data obtained from the Early to Middle Miocene sequence in the Yatsuo area on the Japan Sea coast, eastern part of southwest Japan. Progressive demagnetization experiments have been executed on samples obtained from two routes along the Yamada and Wada Rivers, and successfully isolated stable primary magnetic components in 16 sites. Together with data of previous studies,tilt-corrected reliable paleomagnetic directions comprising 10 normal and 27 reversed polarity sites of the Yatsuo Group on accurate stratigraphic positions show systematic temporal variation of easterly deflection in declinations. On the basis of our presented magnetostratigraphy, Yatsuo Group is assigned from the late Early to early Middle Miocene. Significant stage of rotation as much as 30<b>°</b> is specified during late Early Miocene between a period of active volcanism and subsequent period of marine transgression. We suggest that the Japan Sea opening event had a final phase of rapid rotation around the late Early Miocene, which seems to have caused marine transgression in relation to remarkable subsidence along the Japan Sea coast."},{"@language":"ja","@value":"新第三紀における日本海拡大イベントに関連した回転運動プロセスを調べるため，富山県八尾地域に分布する下部‐中部中新統の八尾層群にて古地磁気学的研究を行った．調査地域における山田川ルート，和田川ルートで得られた火山岩，堆積岩から段階消磁実験を行った結果，16地点の安定した初生磁化成分が分離できた．これまでに八尾地域で報告されている全37地点の古地磁気データを統括すると，傾動補正後の地点平均方位において，正帯磁を示すものが10地点，逆帯磁を示すものが27地点得られた．回転運動の経過を詳細に知るために，各層準に対する偏角の推移を調べた結果，経時変化が見られ，時計回りの回転運動の記録が捉えられていることが明らかになった．累層ごとに分けた平均方位の偏角の比較では，医王山層と黒瀬谷層の間で約30度の有意差を示す．本論で確立した古地磁気層序に基づくと，医王山層と黒瀬谷層は前期中新世末期に対比される．また，古地磁気方位と岩相変化を比較すると，急激な回転運動は火成活動の盛んな時期から海進に伴う堆積物供給期間の転換期にあたる．日本海拡大イベントには，その後半に急激な回転運動のフェーズが存在し，その結果，本研究地域である日本海沿岸の堆積盆に顕著な環境変化をもたらした可能性がある．"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410001205195909761","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000316693016"}],"foaf:name":[{"@language":"ja","@value":"玉置 真知子"},{"@language":"en","@value":"Tamaki Machiko"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Physical Science, Graduate school of Science, Osaka Prefecture University."},{"@language":"en","@value":"* Correspondence."}]},{"@id":"https://cir.nii.ac.jp/crid/1420282801194801024","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"20285315"},{"@type":"NRID","@value":"1000020285315"},{"@type":"CINII_AUTHOR_ID","@value":"DA19087252"},{"@type":"URI","@value":"https://ci.nii.ac.jp/author/DA19087252#entity"},{"@type":"URI","@value":"https://viaf.org/viaf/NII%7CDA19087252"},{"@type":"NRID","@value":"9000254182162"},{"@type":"NRID","@value":"9000018349040"},{"@type":"NRID","@value":"9000345426605"},{"@type":"NRID","@value":"9000254151357"},{"@type":"NRID","@value":"9000258016841"},{"@type":"NRID","@value":"9000283726611"},{"@type":"NRID","@value":"9000254151285"},{"@type":"NRID","@value":"9000345426495"},{"@type":"NRID","@value":"9000258414921"},{"@type":"NRID","@value":"9000411506038"},{"@type":"NRID","@value":"9000316692986"},{"@type":"NRID","@value":"9000402906102"},{"@type":"NRID","@value":"9000259862705"},{"@type":"NRID","@value":"9000258411149"},{"@type":"NRID","@value":"9000258326476"},{"@type":"NRID","@value":"9000254151292"},{"@type":"NRID","@value":"9000316693013"},{"@type":"NRID","@value":"9000254182495"},{"@type":"NRID","@value":"9000258413002"},{"@type":"NRID","@value":"9000258411921"},{"@type":"NRID","@value":"9000254151233"},{"@type":"NRID","@value":"9000254631316"},{"@type":"NRID","@value":"9000004619056"},{"@type":"NRID","@value":"9000347083125"},{"@type":"NRID","@value":"9000252829751"},{"@type":"NRID","@value":"9000412323746"},{"@type":"NRID","@value":"9000327926680"},{"@type":"NRID","@value":"9000347083714"},{"@type":"NRID","@value":"9000258417588"},{"@type":"NRID","@value":"9000254585785"},{"@type":"NRID","@value":"9000347083084"},{"@type":"NRID","@value":"9000316693017"},{"@type":"NRID","@value":"9000345426614"},{"@type":"NRID","@value":"9000347083046"},{"@type":"NRID","@value":"9000254630888"},{"@type":"NRID","@value":"9000258416805"}],"foaf:name":[{"@language":"ja","@value":"伊藤 康人"},{"@language":"en","@value":"Itoh Yasuto"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Physical Science, Graduate school of Science, Osaka Prefecture University."}]},{"@id":"https://cir.nii.ac.jp/crid/1410001204391165568","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000301740859"}],"foaf:name":[{"@language":"ja","@value":"渡辺 真人"},{"@language":"en","@value":"Mahito Watanabe"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Geological Survey of Japan, AIST."}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"13464272"},{"@type":"LISSN","@value":"13464272"},{"@type":"EISSN","@value":"2186490X"},{"@type":"NDL_BIB_ID","@value":"000000405158"},{"@type":"ISSN","@value":"13464272"},{"@type":"NCID","@value":"AA11587519"}],"prism:publicationName":[{"@language":"en","@value":"BULLETIN OF THE GEOLOGICAL SURVEY OF JAPAN"},{"@value":"地質調査研究報告"},{"@language":"en","@value":"Bull. Geol. Surv. Japan"},{"@value":"地調研報"}],"dc:publisher":[{"@language":"en","@value":"National Institute of Advanced Industrial Science and Technology, Geological Survey of Japan"},{"@language":"ja","@value":"国立研究開発法人 産業技術総合研究所 地質調査総合センター"}],"prism:publicationDate":"2006","prism:volume":"57","prism:number":"3-4","prism:startingPage":"73","prism:endingPage":"88"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"http://id.ndl.go.jp/bib/8658435"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I8658435"},{"@id":"https://dl.ndl.go.jp/pid/9676764"},{"@id":"https://www.jstage.jst.go.jp/article/bullgsj/57/3-4/57_73/_pdf"}],"availableAt":"2006","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=back-arc%20opening","dc:title":"back-arc opening"},{"@id":"https://cir.nii.ac.jp/all?q=Japan%20Sea","dc:title":"Japan Sea"},{"@id":"https://cir.nii.ac.jp/all?q=clockwise%20rotation","dc:title":"clockwise rotation"},{"@id":"https://cir.nii.ac.jp/all?q=subsidence","dc:title":"subsidence"},{"@id":"https://cir.nii.ac.jp/all?q=paleomagnetism","dc:title":"paleomagnetism"},{"@id":"https://cir.nii.ac.jp/all?q=paleoenvironment","dc:title":"paleoenvironment"},{"@id":"https://cir.nii.ac.jp/all?q=southwest%20Japan","dc:title":"southwest Japan"},{"@id":"https://cir.nii.ac.jp/all?q=Miocene","dc:title":"Miocene"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050859525241640576","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Strain and stress gradients through the backarc regions of Miocene western Japan: A new type of arc-parallel extension"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011146631306880","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Japan Sea, opening history and mechanism: A 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Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1361418518980443264","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Differential rotations of north Kyushu Island related to middle Miocene clockwise rotation of SW Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1361418521452013184","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Revised calibration of the geomagnetic polarity timescale for the Late Cretaceous and Cenozoic"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981469203373440","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Timing of rotational motion of Southwest Japan inferred from paleomagnetism"}]},{"@id":"https://cir.nii.ac.jp/crid/1361981470441989760","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"The least-squares line and plane and the analysis of palaeomagnetic 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properties"}]},{"@id":"https://cir.nii.ac.jp/crid/1363107370852369152","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Refined Early to Middle Miocene diatom biochronology for the middle‐ to high‐latitude North Pacific"}]},{"@id":"https://cir.nii.ac.jp/crid/1363388844896256512","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Early Miocene rotational process in the eastern part of south‐west Japan inferred from paleomagnetic studies"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951793404782208","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Paleomagnetic record of plate‐margin tectonic processes along the western edge of North America"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951795234392320","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"When was the Japan Sea Opened?: Paleomagnetic Evidence from Southwest Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951795412884096","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Correlation of Miocene (18–12 Ma) sequence boundaries in central Japan to major Antarctic glaciation events"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951795523121920","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"The combined analysis of remagnetization circles and direct observations in palaeomagnetism"}]},{"@id":"https://cir.nii.ac.jp/crid/1363951795831649792","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Confined ductile deformation in the Japan arc inferred from paleomagnetic studies"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001205194342272","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Fission-track dating and paleomagnetic polarity of the Lower Miocene in the Yatsuo area, central Japan."},{"@language":"ja","@value":"八尾地域下部中新統のフィッション・トラック年代と古地磁気極性"},{"@value":"Fission-track dating and paleomagnetic polarity of the Lower Miocene in the Yatsuo area, central Japan (in Japanese with English abstract)"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206235486848","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Magnetostratigraphic correlation of Miocene regression-and-transgression boundaries in central Honshu, Japan."},{"@language":"ja","@value":"本州中部における中新世海退-海進境界の磁気層序による対比"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206236982528","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"On the boundary of polarity chron C5B/C5C in the Neogene section of the Yatsuo area in Toyama prefecture, Japan."},{"@value":"富山県八尾地域の新第三系における磁極期Ｃ５Ｂ／Ｃ５Ｃ境界について"},{"@language":"ja-Kana","@value":"トヤマケン ヤオ チイキ ノ シンダイ3ケイ ニ オケル ジキョクキ C5B"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206239491840","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Paleomagnetic direction of the Lower Miocene Hokusetsu Subgroup in the Shitara area, Aichi Prefecture, and implications for the formation of the cuspate geologic structure in central Honshu"},{"@language":"ja","@value":"愛知県設楽地域に分布する北設亜層群（下部中新統）の古地磁気方位と本州中部における屈曲構造形成"},{"@language":"ja-Kana","@value":"アイチケン シタラ チイキ ニ ブンプ スル キタセツアソウグン(カブ チュウ シントウ)ノ コ チジキ ホウイ ト ホンシュウ チュウブ ニ オケル クッキョク コウゾウ ケイセイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206509831808","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Age Estimation of the Japan Sea on the Basis of Stratigraphy, Basement Depth, and Heat Flow Data"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001288101144704","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tectonics of sedimentary basins in and around Japan since the opening of the Sea of Japan"},{"@language":"ja","@value":"日本海拡大以来の日本列島の堆積盆テクトニクス"},{"@language":"ja-Kana","@value":"ニホンカイ カクダイ イライ ノ ニホン レットウ ノ タイセキボン テクトニクス"}]},{"@id":"https://cir.nii.ac.jp/crid/1390016526854607232","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Geology and paleomagnetism of the Miocene on the southern margin of the Asahi Mountains in Northeast Japan and the timing of crustal rotation"},{"@language":"ja","@value":"東北日本，朝日山地南縁に分布する中新統の地質と古地磁気および地殻回転時期"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681215402368","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Magnetostratigraphy of neogene rocks around the Yatsuo area in Toyama prefecture, Japan."},{"@value":"富山県八尾地域に分布する新第三系の古地磁気層序"},{"@language":"ja-Kana","@value":"トヤマケン ヤオ チイキ ニ ブンプスル シンダイ3ケイ ノ コチジキ ソウジ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681217647744","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Geological implications of a paleomagnetic direction obtained from a Miocene dike swarm in the Hida region, central Japan"},{"@language":"ja","@value":"飛騨地方の中新世岩脈群から得られた古地磁気方位の地質学的意味"},{"@language":"ja-Kana","@value":"ヒダ チホウ ノ チュウシンセイ ガンミャクグン カラ エラレタ コ チジキ ホウイ ノ チシツガクテキ イミ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681487160192","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Timing of Rotational Motion of Southwest Japan Inferred from Paleomagnetism of the Setouchi Miocene Series"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282752326275840","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Revised Cenozoic chronostratigraphy and tectonics in the Yatsuo Area, Toyama Prefecture, central Japan"},{"@language":"ja","@value":"富山県八尾地域の新生界年代層序の再検討とテクトニクス"},{"@language":"ja-Kana","@value":"トヤマケン ヤオ チイキ ノ シンセイカイ ネンダイソウ ジョ ノ サイケントウ ト テクトニクス"}]},{"@id":"https://cir.nii.ac.jp/crid/1390298234090236416","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Petrogenesis of Oligocene to Miocene volcanic rocks from the Toyama basin of the SW Japan arc: Temporal change of arc volcanism during the back-arc spreading in the Japan Sea"}]},{"@id":"https://cir.nii.ac.jp/crid/1390845713030086912","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Miocene clockwise rotation of Southwest 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