{"@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/1390282680172026240.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.9795/bullgsj.54.323"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"6961273"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/6961273"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I6961273"}},{"identifier":{"@type":"URI","@value":"https://dl.ndl.go.jp/pid/9676678"}},{"identifier":{"@type":"NAID","@value":"130004935474"}}],"dc:title":[{"@language":"ja","@value":"東北日本，沼沢火山の形成史：噴出物層序，噴出年代及びマグマ噴出量の再検討"},{"@language":"en","@value":"Eruptive history of Numazawa volcano, NE Japan: New study of the stratigraphy, eruption ages, and eruption volumes of the products."},{"@language":"ja-Kana","@value":"トウホク ニホン ヌマザワ カザン ノ ケイセイシ フンシュツブツ ソウ ジョ フンシュツ ネンダイ オヨビ マグマ フンシュツリョウ ノ サイケントウ"}],"dc:language":"ja","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Numazawa volcano is an active volcano located in the western part of Fukushima, NE Japan, 50 km behind the volcanic front. New stratigraphic and dating study shows that the products of this volcano are composed of the Shirifukitoge rhyolite pyroclastic deposit corresponding to the Shibahara pyroclastic fall deposit at ca. 110 ka, the Mukuresawa rhyolite lava dome at ca. 70 ka, the Mizunuma dacite pyroclastic deposit at 45 ka, the Sozan dacite lava dome at ca. 40 ka, the Maeyama dacite lava dome at 20 ka, and the Numazawako dacite-andesite pyroclastic deposit at BC 3,400. Total volume of the Numazawa products is about 5 DRE km<sup>3</sup>. This volcano erupted 1 DRE km<sup>3 </sup>magma during the first 60 thousands years, but 4 DRE km<sup>3</sup> magma in the last 50 thousands years. The increase of magma eruption rate was caused by the increase of magma production rate."},{"@language":"ja","@value":"沼沢火山は福島県の西部，火山フロントの背後50 kmにある活火山である．本研究では噴出物層序と噴火年代を再検討し，噴出量の時間積算図を新たに作成した．本火山の噴出物層序は，約11万年前の尻吹峠火砕堆積物及び芝原降下堆積物，約７万年前の木冷沢溶岩，約4.5万年前の水沼火砕堆積物と約4万年前の惣山溶岩，約2万年前の沼御前火砕堆積物及び前山溶岩，紀元前3400年頃の沼沢湖火砕堆積物からなる．沼沢火山の総マグマ噴出量は約5 DRE km<sup>3</sup>であるが，前半6万年間で約1 DRE km<sup>3</sup>のマグマ噴出量であったものが，後半5万年間で残りの約4 DRE km<sup>3</sup>のマグマが噴出している．沼沢火山のマグマ噴出率の上昇は，給源でのマグマ生産率の上昇と対応しているものとみられる．"}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410282680172026240","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000283578226"}],"foaf:name":[{"@language":"ja","@value":"山元 孝広"},{"@language":"en","@value":"Yamamoto Takahiro"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Research Center for Deep Geological Environments"},{"@language":"ja","@value":"深部地質環境研究センター"}]}],"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":"PISSN","@value":"https://id.crossref.org/issn/13464272"},{"@type":"PISSN","@value":"http://id.crossref.org/issn/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":"2003","prism:volume":"54","prism:number":"9-10","prism:startingPage":"323","prism:endingPage":"340"},"reviewed":"false","url":[{"@id":"http://id.ndl.go.jp/bib/6961273"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I6961273"},{"@id":"https://dl.ndl.go.jp/pid/9676678"}],"availableAt":"2003","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Numazawa%20volcano","dc:title":"Numazawa volcano"},{"@id":"https://cir.nii.ac.jp/all?q=active%20volcano","dc:title":"active volcano"},{"@id":"https://cir.nii.ac.jp/all?q=Fukushima","dc:title":"Fukushima"},{"@id":"https://cir.nii.ac.jp/all?q=Japan","dc:title":"Japan"},{"@id":"https://cir.nii.ac.jp/all?q=14C%20age","dc:title":"14C age"},{"@id":"https://cir.nii.ac.jp/all?q=fission%20track%20age","dc:title":"fission track age"},{"@id":"https://cir.nii.ac.jp/all?q=eruption%20rate","dc:title":"eruption rate"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360004231510194048","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Tectonic shortening and coeval volcanism during the Quaternary, Northeast Japan arc"}]},{"@id":"https://cir.nii.ac.jp/crid/1360011146088498304","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Subtyping Obsessive Compulsive Patients by Depressive Symptoms: A Retrospective Pilot Study"}]},{"@id":"https://cir.nii.ac.jp/crid/1360292620114400000","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@value":"Pressure, gas content and eruption periodicity of a shallow, crystallising magma 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Northeast Japan."},{"@value":"福島県太平洋岸，塚原海岸における最終間氷期最盛期の海進海退過程とその時期降下したテフラについて"},{"@language":"ja-Kana","@value":"フクシマケン タイヘイヨウガン ツカバラ カイガン ニ オケル サイシュウ カンヒョウキ サイセイキ ノ カイシンカイタイカテイ ト ソノ ジキ コウカ シタ テフラ ニ ツイテ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001204238484608","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"東北地方南部，郡山盆地地下における更新世テフラ層序と堆積物"},{"@language":"en","@value":"Pleistocene Tephrostratigraphy and Underground Sediments under the Koriyama Basin at the Southern Part of Northeast Japan"},{"@language":"ja-Kana","@value":"トウホク チホウ ナンブ,コオリヤマ ボンチ チカ ニ オケル コウシン セイ テフラソウ ジョ ト タイセキブツ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206233576448","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Radiocarbon ages of charred wood from Tokyo pumice flow deposit measured with a Tandetron accelerator mass 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カザン フンシュツブツ ノ ソウ ジョ ト マグマ キョウキュウケイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206237421952","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Influence of a volcanogenic flood event on an alluvial depositional system: the Holocene Echigo Plain of northeast Japan"},{"@language":"ja","@value":"越後平野の沖積層形成における火山性洪水イベントの影響"},{"@language":"ja-Kana","@value":"エチゴ ヘイヤ ノ チュウセキソウ ケイセイ ニ オケル カザンセイ コウズイ イベント ノ エイキョウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206239538560","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Magma-discharge rate and geochemical evolution during the pumice-eruption stage of Akagi Volcano, NE Japan."},{"@language":"ja","@value":"赤城火山軽石噴火期のマグマ噴出率と組成の変化"},{"@language":"ja-Kana","@value":"アカギ カザン カルイシ フンカキ ノ マグマ フンシュツリツ ト ソセイ ノ 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Japan"},{"@language":"ja-Kana","@value":"エチゴ ヘイヤ ホクブ ノ エンガン コショウ ノ ケイソウ カセキ グンシュウ ト カンキョウ ヘンセンシ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282679279806592","@type":"Article","relationType":["isCitedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"磐梯火山最初期噴出物におけるマグマ組成の時間変化 : 裏磐梯高原コアの化学分析結果"},{"@language":"en","@value":"Magmatic Evolution in the Initial Products of Bandai Volcano, NE Japan : Geochemical Results from the Ura-Bandai-Kogen Core on the Northern Flank"},{"@language":"ja-Kana","@value":"バンダイ カザン サイショキ フンシュツブツ ニ オケル マグマ ソセイ ノ ジカン ヘンカ : ウラバンダイ コウゲン コア ノ カガク ブンセキ ケッカ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282680171156608","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"東北日本における大山倉吉テフラと山陰1 テフラの降下層準"},{"@language":"en","@value":"Stratigraphic positions of the Daisen-Kurayshi and San-in 1 tehpra fallouts in NE Japan."},{"@value":"概報 東北日本における大山倉吉テフラと山陰1テフラの降下層準"},{"@language":"ja-Kana","@value":"ガイホウ トウホク ニホン ニ オケル オオヤマ クラヨシ テフラ ト サンイン 1 テフラ ノ コウカソウ ジュン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681210232192","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Eruptive history of Nasu-Chausudake volcano, NE Japan, based on tephrostratigraphy."},{"@value":"テフラ層序からみた那須茶臼岳火山の噴火史"},{"@language":"ja-Kana","@value":"テフラ ソウジョ カラ ミタ ナス チャウスダケ カザン ノ フンカシ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681213854336","@type":"Article","relationType":["isReferencedBy","isCitedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Characterizing tephras by major-element analysis of glass inclusions in plagioclase phenocrysts:"},{"@language":"ja","@value":"ガラス包有物の主成分分析によるテフラ識別の試み"},{"@value":"ガラス包有物の主成分分析によるテフラ識別の試み--大山テフラDKP,DSP,DNPの識別を例として"},{"@language":"ja-Kana","@value":"ガラス ホウユウブツ ノ シュセイブン ブンセキ ニ ヨル テフラ シキベツ ノ ココロミ ダイセン テフラ DKP DSP DNP ノ シキベツ オ レイ ト シテ"},{"@value":"Characterizing tephras by major-element analysis of glass inclusions in plagioclase phenocrysts: 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Numazawa volcano, NE Japan"},{"@language":"ja","@value":"岩石学的にみた沼沢火山におけるマグマ溜りの長期的進化とカルデラ形成噴火の準備過程"},{"@language":"ja-Kana","@value":"ガンセキガクテキ ニ ミタ ショウタク カザン ニ オケル マグマ タマリ ノ チョウキテキ シンカ ト カルデラ ケイセイフン ヒ ノ ジュンビ カテイ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681217125376","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"<sup>14</sup>C age for a buried fossil wood in the Kanozu, Tadami Town, Fukushima Prefecture, NE Japan: a restudy of the eruption age for the Mizunuma eruption of Numazawa volcano"},{"@language":"ja","@value":"福島県只見町叶津の埋没化石林の放射性炭素年代：沼沢火山水沼噴火年代の再検討"},{"@language":"ja-Kana","@value":"フクシマケン タダミマチキョウツ ノ マイボツ カセキリン ノ ホウシャセイ タンソ ネンダイ : ショウタク カザンスイヌマ フンカ ネンダイ ノ サイケントウ"}]},{"@id":"https://cir.nii.ac.jp/crid/1390282681472180480","@type":"Article","relationType":["references"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Radiocarbon Ages by Accelerator Mass Spectrometry of the Buried Wood Trunks from Kisogawa Volcanic 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