{"@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/1390282679207178496.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.5026/jgeography.107.3_348"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"4510911"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/4510911"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I4510911"}},{"identifier":{"@type":"NAID","@value":"10002238087"}}],"dc:title":[{"@language":"en","@value":"Fission Track Ages of Several Quaternary Tephras in Kanto and Chubu Regions, Central Japan."},{"@value":"関東・中部地方に分布する第四紀テフラのフィッション・トラック年代"},{"@language":"ja-Kana","@value":"カントウ チュウブ チホウ ニ ブンプスル ダイ4キ テフラ ノ フイッション"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Many Quaternary tephra layers are well preserved in the Kanto and Chubu regions of central Japan. In the last 30 years, radiometric ages for some of these tephra layers were determined by various methods. However, previous fission track ages have been shown to be inaccurate by recent work. In this study, 19 Quaternary tephra layers were newly dated by fission track method with zircon crystals based on zeta calibration, as the I.U.G.S. recommended. The ages determined in the southwest area of the Kanto region, in ascending order of stratigraphy, are as follows : GoP<SUB>2</SUB> : 0.27±0.12 Ma, GoP<SUB>1</SUB> : 0.36±0.16 Ma, HBP : 0.43±0.09 Ma, HcP-1 : 0.64±0.23 Ma, HdP-2 0.40±0.17 Ma, Sa Bi : 0.64±0.06 Ma (error is1σ). Ages determined in the Boso Peninsula are as follows : Ks 5 : 0.39±0.20 Ma, Ku 1 : 0.70±0.25 Ma, Kd 10 : 1.20±0.30 Ma. In the Shinshu area of the Chubu region, eight Quaternary tephra layers were dated as follows : Iz-NY : 0.18±0.08 Ma, A<SUB>5</SUB>Pm : 0.31 ± 0.06 Ma, A<SUB>4</SUB>Pm : 0.41±0.07 Ma, A<SUB>3</SUB>Pm 0.39±0.07 Ma, A<SUB>2</SUB>Pm : 0.42±0.08 Ma, A<SUB>1</SUB>Pm : 0.47±0.08 Ma, Nashinoki Cl : 0.74 ±0.09 Ma, Misawa Cl : 0.66±0.09 Ma. The ages determined in the Takayama area of Chubu region are as follows Takayama Pumice : 0.43±0.07 Ma, Kamitakara pfl. : 0.55±0.07 Ma."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1420282801210285824","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"60240941"},{"@type":"NRID","@value":"1000060240941"},{"@type":"ORCID","@value":"0000-0002-6474-1698"},{"@type":"NRID","@value":"9000001990589"},{"@type":"NRID","@value":"9000413851927"},{"@type":"NRID","@value":"9000412002321"},{"@type":"NRID","@value":"9000345249346"},{"@type":"NRID","@value":"9000002497072"},{"@type":"NRID","@value":"9000326270657"},{"@type":"NRID","@value":"9000415349942"},{"@type":"NRID","@value":"9000326270655"},{"@type":"NRID","@value":"9000243586398"},{"@type":"NRID","@value":"9000363139090"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/suzuki1920397_TMU"}],"foaf:name":[{"@language":"en","@value":"SUZUKI Takehiko"},{"@language":"ja","@value":"鈴木 毅彦"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Geography, Tokyo Metropolitan University"},{"@language":"ja","@value":"東京都立大学大学院理学研究科"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282679207178497","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000000075653"}],"foaf:name":[{"@language":"en","@value":"FUJIWARA Osamu"},{"@language":"ja","@value":"藤原 治"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Tono Geoscience Center, Power Reactor and Nuclear Fuel Development Corporation"},{"@language":"ja","@value":"動力炉・核燃料開発事業団東濃地科学センター"}]},{"@id":"https://cir.nii.ac.jp/crid/1410001204064618497","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000018285693"}],"foaf:name":[{"@language":"en","@value":"DANHARA Tohru"},{"@language":"ja","@value":"檀原 徹"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Kyoto Fission-Track Co., Ltd."},{"@language":"ja","@value":"株式会社京都フィッション・トラック"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"0022135X"},{"@type":"LISSN","@value":"0022135X"},{"@type":"EISSN","@value":"18840884"},{"@type":"NDL_BIB_ID","@value":"000000014613"},{"@type":"ISSN","@value":"0022135X"},{"@type":"PISSN","@value":"http://id.crossref.org/issn/0022135X"},{"@type":"NCID","@value":"AN00322536"}],"prism:publicationName":[{"@language":"en","@value":"Journal of Geography (Chigaku Zasshi)"},{"@language":"ja","@value":"地学雑誌"},{"@language":"ja","@value":"地學雜誌"},{"@language":"en","@value":"J. Geogr."},{"@language":"en","@value":"Jour. Geogr."},{"@language":"en","@value":"Journal of Geography"},{"@language":"ja","@value":"地学雑"},{"@language":"en","@value":"Journal of Geography (Chigaku Zasshi)"},{"@language":"en","@value":"Journal of Geography(Chigaku Zasshi)"},{"@language":"ja","@value":"地學雜誌"}],"dc:publisher":[{"@language":"en","@value":"Tokyo Geographical Society"},{"@language":"ja","@value":"公益社団法人 東京地学協会"}],"prism:publicationDate":"1998","prism:volume":"107","prism:number":"3","prism:startingPage":"348","prism:endingPage":"367"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"http://id.ndl.go.jp/bib/4510911"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I4510911"}],"availableAt":"1998","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Quaternary%20tephra","dc:title":"Quaternary tephra"},{"@id":"https://cir.nii.ac.jp/all?q=fission%20track%20dating","dc:title":"fission track dating"},{"@id":"https://cir.nii.ac.jp/all?q=zeta%20calibration","dc:title":"zeta calibration"},{"@id":"https://cir.nii.ac.jp/all?q=Tama%20Tephra%20Formation","dc:title":"Tama Tephra Formation"},{"@id":"https://cir.nii.ac.jp/all?q=Kazusa%20Group","dc:title":"Kazusa Group"},{"@id":"https://cir.nii.ac.jp/all?q=Omachi%20A%20Tephra%20Group","dc:title":"Omachi A Tephra Group"},{"@id":"https://cir.nii.ac.jp/all?q=Kamitakara%20Tephra","dc:title":"Kamitakara Tephra"},{"@id":"https://cir.nii.ac.jp/all?q=central%20Japan","dc:title":"central Japan"},{"@id":"https://cir.nii.ac.jp/all?q=%E7%AC%AC%E5%9B%9B%E7%B4%80%E3%83%86%E3%83%95%E3%83%A9","dc:title":"第四紀テフラ"},{"@id":"https://cir.nii.ac.jp/all?q=%E3%83%95%E3%82%A3%E3%83%83%E3%82%B7%E3%83%A7%E3%83%B3%E3%83%BB%E3%83%88%E3%83%A9%E3%83%83%E3%82%AF%E5%B9%B4%E4%BB%A3","dc:title":"フィッション・トラック年代"},{"@id":"https://cir.nii.ac.jp/all?q=%E3%82%BC%E3%83%BC%E3%82%BF%E8%BC%83%E6%AD%A3%E6%B3%95","dc:title":"ゼータ較正法"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%A4%9A%E6%91%A9%E3%83%AD%E3%83%BC%E3%83%A0","dc:title":"多摩ローム"},{"@id":"https://cir.nii.ac.jp/all?q=%E4%B8%8A%E7%B7%8F%E5%B1%A4%E7%BE%A4","dc:title":"上総層群"},{"@id":"https://cir.nii.ac.jp/all?q=%E5%A4%A7%E7%94%BAAPm%E3%83%86%E3%83%95%E3%83%A9%E7%BE%A4","dc:title":"大町APmテフラ群"},{"@id":"https://cir.nii.ac.jp/all?q=%E4%B8%8A%E5%AE%9D%E3%83%86%E3%83%95%E3%83%A9","dc:title":"上宝テフラ"},{"@id":"https://cir.nii.ac.jp/all?q=%E4%B8%AD%E5%A4%AE%E6%97%A5%E6%9C%AC","dc:title":"中央日本"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050282812539230336","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"熱ルミネッセンス法（石英粗粒子法）による火山灰の年代測定 ―日本地質学会第93年会シンポジウム『100万年前より新しい試料の地質年代測定』ブラインドテスト用パミスタフを試料として―"}]},{"@id":"https://cir.nii.ac.jp/crid/1360286995804514176","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Dating late Quaternary events by the combined U‐Pb LA‐ICP‐MS and (U‐Th)/He dating of zircon: A case study on Omachi Tephra suite (central Japan)"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292617911078144","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"Standardization of fission track dating calibration: Recommendation by the Fission Track Working Group of the I.U.G.S. Subcommission on Geochronology"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204233788288","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"琵琶湖高島沖ボーリング火山灰から見た中期更新世～完新世の噴火活動史"},{"@language":"en","@value":"Middle Pleistocene to Holocene Explosive Volcanism Revealed by Ashes of the Takashima-oki Core Samples from Lake Biwa, Central Japan"},{"@language":"ja-Kana","@value":"ビワコ タカシマオキ ボーリング カザンバイ カラ ミタ チュウキ コウシンセ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204265453824","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"群馬県吾妻川流域に分布する浸食された火山の内部と基盤構造"},{"@language":"en","@value":"Internal and basemental structures of eroded volcanoes in the Agatsuma river valley of Gunma Prefecture, central Japan"},{"@language":"ja-Kana","@value":"グンマケン アガツマガワ リュウイキ ニ ブンプ スル シンショク サレタ カザン ノ ナイブ ト キバン コウゾウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204265936128","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"多摩Iローム層の鉱物組成とテフラの対比"},{"@language":"en","@value":"Mineral assemblage of the Tama-I Loam Formation in Kanto Plain, central Japan and correlation of some tephra layers intercalated in the Formation"},{"@value":"多摩1ローム層の鉱物組成とテフラの対比"},{"@language":"ja-Kana","@value":"タマ 1 ロームソウ ノ コウブツ ソセイ ト テフラ ノ タイヒ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204303247360","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"飛騨山脈中央部,上廊下〜雲ノ平周辺の第四紀火山岩類のK-Ar年代"},{"@language":"en","@value":"K-Ar Ages of Quaternary Volcanic Products from Kaminorouka-Kumonotaira Area, Central Hida Mountain Range, Central Japan"},{"@language":"ja-Kana","@value":"ヒダ サンミャク チュウオウブカミノ ロウカ クモ ノタイラ シュウヘン ノ ダイ4キ カザンガンルイ ノ K Ar ネンダイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206235215360","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Fission track ages of volcanic ash layers of the Kazusa Group in the Boso Peninsula, central Japan."},{"@value":"房総半島上総層群のフィッション・トラック年代"},{"@language":"ja-Kana","@value":"ボウソウ ハントウ カズサソウグン ノ フィッション トラック ネンダイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206235427968","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"A widespread volcanic ash bed in the horizon close to the Pliocene-Pleistocene boundary: Fukuda-Tsujimatagawa-Kd38 volcanic ash bed occurring in central Japan."},{"@value":"第三紀・第四紀境界層準の広域火山灰層‐福田・辻又川・Ｋｄ３８火山灰層‐"},{"@language":"ja-Kana","@value":"ダイ3キ ダイ4キ キョウカイソウ ジュン ノ コウイキ カザンバイソウ フク"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206236937344","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"On the Takara Volcanic Rocks and the Quaternary deposits to the East of Takayama City, central Japan"},{"@value":"高山市東方の高原火山岩類と第四系について"},{"@language":"ja-Kana","@value":"タカヤマシ トウホウ ノ コウゲン カザンガンルイ ト ダイ4ケイ ニ ツイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206237285760","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The Osaka Group in the southeast of Osaka"},{"@value":"大阪南東部の大阪層群"},{"@language":"ja-Kana","@value":"オオサカ ナントウブ ノ オオサカソウグン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206238329088","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"妙高火山群テフラ地域の第四紀テフラ層　　示標テフラの記載および火山活動との関係"},{"@language":"en","@value":"Tephrochronological study on the Myoko volcano:Tephra layers and their relation to activity of the volcano"},{"@language":"ja-Kana","@value":"ミョウ コウ カザングン テフラ チイキ ノ ダイ4キ テフラソウ シヒョウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206496004992","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Correlation of the Middle Pleistocene Tephra Beds from the Older Ontake Volcano with Those in the Southern Part of Matsumoto Basin, Central Japan"},{"@language":"ja","@value":"中部日本，古期御岳火山起源の中期更新世テフラと松本盆地南縁部のテフラとの対比"},{"@language":"ja-Kana","@value":"チュウブ ニホン コキ オンタケ カザン キゲン ノ チュウキ コウシンセイ テフラ ト マツモト ボンチ ナンエンブ ノ テフラ トノ タイヒ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206496031872","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The Flood Deposit of the Middle Pleistocene Kiyokawa Formation, Shimosa Group, Eastern Japan"},{"@language":"ja","@value":"更新統下総層群清川層にみられる海水準上昇初期の洪水堆積物"},{"@language":"ja-Kana","@value":"コウシントウ シモウサソウグン キヨカワソウ ニ ミラレル カイスイジュン ジョウショウ ショキ ノ コウズイ タイセキブツ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206496158464","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Re-examination of the Plio-Pleistocene Boundary in the Osaka Group in Central Awaji Island, Western Japan"},{"@value":"火山灰のフィッション・トラック年代と古地磁気層序に基づく淡路島中部の鮮新‐更新統境界の再検討"},{"@language":"ja-Kana","@value":"カザンバイ ノ フィッション トラック ネンダイ ト コ チジキソウ ジョ ニ モトヅク アワジシマ チュウブ ノ センシン コウシントウ キョウカイ ノ サイケントウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206496371968","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tephrochronological study on the middle Pleistocene deposits in the Kanto and Kinki districts, Japan"},{"@value":"南関東と近畿の中部更新統の対比と編年"},{"@language":"ja-Kana","@value":"ミナミ カントウ ト キンキ ノ チュウブ コウシントウ ノ タイヒ ト ヘン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390009225471400448","@type":"Article","resourceType":"記事(article)","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"八ケ岳山麓の中部更新統"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679207645568","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"南関東における第四紀中期のテフラの対比とそれに基づく編年"},{"@language":"en","@value":"Correlation and Chronology of the Middle Pleistocene Tephra Layers in South Kanto"},{"@language":"ja-Kana","@value":"ミナミカントウ ニ オケル ダイ4キ チュウキ ノ テフラ ノ タイヒ ト ソレニ モトズク ヘンネン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679280803328","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"長野県北東部烏帽子岳とその周辺の地質と火山形成史"},{"@language":"en","@value":"Geology and Volcanic History of Mt. Eboshidake and its Adjacent Area, Northeastern Nagano Prefecture, Central Japan"},{"@language":"ja-Kana","@value":"ナガノケン ホクトウブ エボシダケ ト ソノ シュウヘン ノ チシツ ト カザン ケイセイシ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681211694848","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tephrostratigraphy in the lower to middle Kazusa Group in the Boso Peninsula, Japan."},{"@value":"上総層群中・下部の火山灰層序"},{"@language":"ja-Kana","@value":"カズサソウグンチュウ カブ ノ カザンバイ ソウジョ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681211738368","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Correlation of the Azuki Volcanic Ash of the Osaka Group and the Ku6C Volcanic Ash of the Kazusa Group to the Imaichi pyroclastic-flow deposit in central Kyushu, Japan. A co-ignimbrite ash erupted from Shishimuta caldera."},{"@value":"大阪層群アズキ火山灰および上総層群Ｋｕ６Ｃ火山灰と中部九州の今市火砕流堆積物との対比　猪牟田カルデラから噴出したｃｏ‐ｉｇｎｉｍｂｒｉｔｅ　ａｓｈ"},{"@language":"ja-Kana","@value":"オオサカソウグン アズキ カザンバイ オヨビ カズサソウグン Ku6C カザン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681213405568","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Correlation of the tephra beds in the Middle Pleistocene Older Ontake Volcano with those in the Kazusa Group in Boso Peninsula, central Japan"},{"@language":"ja","@value":"古期御岳火山起源の中期更新世テフラと房総半島上総層群中のテフラとの対比"},{"@language":"ja-Kana","@value":"コキ オンタケ カザン キゲン ノ チュウキ コウシン セイ テフラ ト ボウソウ ハントウ カズサソウグン チュウ ノ テフラ ト ノ タイヒ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681214417792","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Tephrochronology of the Konan terrace in the northwestern Kanto Plain based on the discovery of the Iizuna-Nishiyama tephra, central Japan"},{"@language":"ja","@value":"飯縄西山テフラの発見による関東平野北西部，江南台地のテフロクロノロジー"},{"@language":"ja-Kana","@value":"イイズナ ニシヤマ テフラ ノ ハッケン ニ ヨル カントウ ヘイヤ ホクセイブ コウナン ダイチ ノ テフロクロノロジー"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681472024320","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Timing of Large-scale Ridge-moving Landslides around Aigawa, Northen Nagano Prefecture, Central Japan, and Their Tectonic Implications."},{"@value":"長野県北部八坂村相川周辺の地すべり地形の形成時期　　大規模な尾根移動型地すべりの発生とそのテクトニックな意義"},{"@language":"ja-Kana","@value":"ナガノケン ホクブ ヤサカムラ アイガワ シュウヘン ノ ヂスベリ チケイ ノ ケイセイ ジキ ダイキボ ナ オネ イドウガタ ヂスベリ ノ ハッセイ ト ソノ テクトニック ナ イギ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681472495616","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Towards Precise Measurement of Zircon and Glass Fission-Track Geochronology for Quaternary 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