{"@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/1390577608175368064.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2465/jmps.221215"}},{"identifier":{"@type":"URI","@value":"https://www.jstage.jst.go.jp/article/jmps/118/1/118_221215/_pdf"}}],"resourceType":"学術雑誌論文(journal article)","dc:title":[{"@language":"en","@value":"Protolith age and metamorphic temperature of the Yokokawagawa metamorphic rocks in Nagano Prefecture, central Japan, and comparison with the Sanbagawa metamorphic rocks"}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"<p>We estimated the protolith age and peak metamorphic temperature of the Yokokawagawa metamorphic rocks (YMR) east of the Itoigawa-Shizuoka Tectonic Line using detrital zircon U-Pb dating and Raman carbonaceous material geothermometry, respectively. U-Pb dating of a psammitic rock yielded a youngest age of ∼ 100 Ma, which corresponds to the protolith age. Raman carbonaceous material geothermometry results for five pelitic rock samples give metamorphic temperatures of ∼ 350-380 °C. The protolith age is consistent with those of the Sanbagawa metamorphic rocks (SMR), strongly indicating that the YMR are an extension of the SMR. The increase in peak temperature toward intrusive rocks along the eastern margin of the YMR may indicate that the relatively young ages yielded by previous K-Ar dating of the YMR reflect thermal resetting due to contact metamorphism.</p>"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410577608175368064","@type":"Researcher","foaf:name":[{"@language":"en","@value":"MORI Hiroshi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Geology, Faculty of Science, Shinshu University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410577608175368068","@type":"Researcher","foaf:name":[{"@language":"en","@value":"TOKIWA Tetsuya"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Geology, Faculty of Science, Shinshu University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410577608175368065","@type":"Researcher","foaf:name":[{"@language":"en","@value":"MIZUMURA Hiroki"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Geology, Faculty of Science, Shinshu University"},{"@language":"en","@value":"Kyowa Sekkei Co., Ltd."}]},{"@id":"https://cir.nii.ac.jp/crid/1410577608175368066","@type":"Researcher","foaf:name":[{"@language":"en","@value":"YOSHIKAWA Kohei"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Geology, Faculty of Science, Shinshu University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410577608175368069","@type":"Researcher","foaf:name":[{"@language":"en","@value":"NOBE Yuki"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Geology, Faculty of Science, Shinshu University"},{"@language":"en","@value":"Electric Power Development Co., Ltd."}]},{"@id":"https://cir.nii.ac.jp/crid/1410577608175368067","@type":"Researcher","foaf:name":[{"@language":"en","@value":"KOUKETSU Yui"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Graduate School of Environmental Studies, Nagoya University"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"13456296"},{"@type":"LISSN","@value":"13456296"},{"@type":"EISSN","@value":"13493825"}],"prism:publicationName":[{"@language":"en","@value":"Journal of Mineralogical and Petrological Sciences"},{"@language":"en","@value":"Journal of Mineralogical and Petrological Sciences"}],"dc:publisher":[{"@language":"en","@value":"Japan Association of Mineralogical Sciences"},{"@language":"ja","@value":"一般社団法人　日本鉱物科学会"}],"prism:publicationDate":"2023","prism:volume":"118","prism:number":"1","prism:startingPage":"n/a"},"reviewed":"false","url":[{"@id":"https://www.jstage.jst.go.jp/article/jmps/118/1/118_221215/_pdf"}],"availableAt":"2023","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Yokokawagawa","dc:title":"Yokokawagawa"},{"@id":"https://cir.nii.ac.jp/all?q=Sanbagawa%20(Sambagawa)","dc:title":"Sanbagawa (Sambagawa)"},{"@id":"https://cir.nii.ac.jp/all?q=Raman%20carbonaceous%20material%20geothermometry","dc:title":"Raman carbonaceous material geothermometry"},{"@id":"https://cir.nii.ac.jp/all?q=Detrital%20zircon%20U-Pb%20dating","dc:title":"Detrital zircon U-Pb dating"}],"project":[{"@id":"https://cir.nii.ac.jp/crid/1040569382227984384","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21K14012"},{"@type":"JGN","@value":"JP21K14012"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K14012/"}],"notation":[{"@language":"ja","@value":"接触変成岩の温度履歴解明による高時空間解像度を有する地温勾配推定手法の確立"}]},{"@id":"https://cir.nii.ac.jp/crid/1040570232414236288","@type":"Project","projectIdentifier":[{"@type":"KAKEN","@value":"21K19022"},{"@type":"JGN","@value":"JP21K19022"},{"@type":"URI","@value":"https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-21K19022/"}],"notation":[{"@language":"ja","@value":"ジオファクトリー:人間主導型社会から地球主導型社会へ"},{"@language":"en","@value":"Geofactory for the sustinable world"}]}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004235527970176","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Recognition of shear heating on a long‐lived major fault using Raman carbonaceous material thermometry: implications for strength and displacement history of the MTL, SW Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004235528215552","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Progressive changes in lithological association of the Sanbagawa metamorphic complex, Southwest Japan: Relict clinopyroxene and detrital zircon perspectives"}]},{"@id":"https://cir.nii.ac.jp/crid/1360009142847415424","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Thermal structure in subducted units from continental Moho depths in a palaeo subduction 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ジルコン ノ ネンダイ ブンプ ニ モトズク サンバガワタイ サイクブン ノ ココロミ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204265460352","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"長野県諏訪湖周辺の新第三系"},{"@language":"en","@value":"Neogene system around the Lake Suwa, Nagano Prefecture"},{"@language":"ja-Kana","@value":"ナガノケン スワコ シュウヘン ノ シン ダイ3ケイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206216350080","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Crystalline schists of Yokokawagawa district (Yokokawagawa metamorphic rocks), north of Lake Suwa, Central Japan"},{"@value":"諏訪湖北方,横河川上流の結晶片岩(横河川変成岩)"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206236800000","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tectonic boundary between the Sanbagawa belt and the Shimanto belt in central Shikoku, Japan"},{"@value":"Tectonic boundary between the Sanbagawa belt and the Shimanto belt in central Shikoku"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206546115584","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"SHRIMP U-Pb dating of detrital zircons from the Sanbagawa Belt, Kanto Mountains, Japan: need to revise the framework of the belt"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282680171763456","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"5 万分の1 地質図幅「鳥羽」地域における秩父累帯北帯の砂岩及び三波川帯の砂質片岩から得られた砕屑性ジルコンU–Pb 年代"},{"@language":"en","@value":"U-Pb ages of detrital zircon grains from sandstones of the Northern Chichibu Belt and psammitic schists of the Sambagawa Belt in the Toba District (Quadrangle series 1:50,000), Shima Peninsula, Mie Prefecture, Southwest Japan."},{"@language":"ja-Kana","@value":"5マンブン ノ 1 チシツ ズフク 「 トバ 」 チイキ ニ オケル チチブルイタイ ホクタイ ノ サガン オヨビ サンバガワタイ ノ スナシツヘンガン カラ エラレタ サイクズセイ ジルコン U – Pb 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geothermometry"}]},{"@id":"https://cir.nii.ac.jp/crid/1390306495444536960","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Evidence of contact metamorphism inferred from biotite occurrence and thermal structure revealed by Raman carbonaceous material geothermometry in the Yokokawagawa metamorphic rocks, central Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1390850335317716096","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Metamorphic Thermal Structure of the Outer Zone of Southwest Japan in the Koshibu-gawa Section, Nagano Prefecture, Central Japan"},{"@language":"ja","@value":"長野県小渋川流域における西南日本外帯の変成温度構造"},{"@language":"ja-Kana","@value":"ナガノケン ショウシブカワ リュウイキ ニ オケル セイナン ニホン ガイタイ ノ ヘンセイ オンド コウゾウ"}]},{"@id":"https://cir.nii.ac.jp/crid/2051714791998113024","@type":"Article","resourceType":"学術雑誌論文(journal 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