{"@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/1364233269833337472.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1007/s00410-007-0269-6"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/content/pdf/10.1007/s00410-007-0269-6.pdf"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/article/10.1007/s00410-007-0269-6/fulltext.html"}},{"identifier":{"@type":"URI","@value":"http://link.springer.com/content/pdf/10.1007/s00410-007-0269-6"}}],"dc:title":[{"@value":"Experimental constraints on the effects of pressure and H2O on the fractional crystallization of high-Mg island arc basalt"}],"description":[{"notation":[{"@value":"H2O-undersaturated melting experiments of synthesized basalt (SiO2 = 50.7 wt.%, MgO = 8.3 wt.%, Mg# = 60) were conducted at fO2 corresponding to NNO+1 and NNO−1 to clarify the effects of pressure (2–7 kbar) and H2O on fractional crystallization in island arcs. H2O content was ranged from nominally anhydrous to 4.4 wt.%. Differentiation trends, namely the liquid lines of descent, change sensitively according to pressure-H2O relations. Tholeiitic differentiation trends are reproduced with H2O ≤ ∼2 wt.% in primary magma. With such quantities of H2O, fractional crystallization is controlled by olivine + plagioclase at 2 kbar. Increasing the pressure from 2 to ≥4 kbar induces early crystallization of orthopyroxene instead of olivine and therefore SiO2 enrichment in the residual melts is suppressed. Increasing H2O (≥ ∼2 wt.% in primary magma) stabilizes clinopyroxene relative to orthopyroxene and/or magnetite. Although the phase relations and proportions strongly depend on fO2 and H2O content, differentiation trends are always calc-alkaline."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1384233269833337472","@type":"Researcher","foaf:name":[{"@value":"Morihisa Hamada"}]},{"@id":"https://cir.nii.ac.jp/crid/1384233269833337473","@type":"Researcher","foaf:name":[{"@value":"Toshitsugu Fujii"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00107999"},{"@type":"EISSN","@value":"14320967"},{"@type":"PISSN","@value":"https://id.crossref.org/issn/00107999"}],"prism:publicationName":[{"@value":"Contributions to Mineralogy and Petrology"}],"dc:publisher":[{"@value":"Springer Science and Business Media LLC"}],"prism:publicationDate":"2007-12-11","prism:volume":"155","prism:number":"6","prism:startingPage":"767","prism:endingPage":"790"},"reviewed":"false","dc:rights":["http://www.springer.com/tdm"],"url":[{"@id":"http://link.springer.com/content/pdf/10.1007/s00410-007-0269-6.pdf"},{"@id":"http://link.springer.com/article/10.1007/s00410-007-0269-6/fulltext.html"},{"@id":"http://link.springer.com/content/pdf/10.1007/s00410-007-0269-6"}],"createdAt":"2007-12-10","modifiedAt":"2019-05-28","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1360567184695203968","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Progressive Interaction between Dry and Wet Mantle during High-temperature Diapiric Upwelling: Constraints from Cenozoic Kita-Matsuura Intraplate Basalt Province, Northwestern Kyushu, Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360848657272713472","@type":"Article","resourceType":"学術雑誌論文(journal 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レットウ ノ カザン カツドウ ト マントルダイナミクス コノ 10ネン ニ オケル シンテン"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206525798912","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"ja","@value":"宮城県北部，石越安山岩の地質・岩石学的特徴とマグマプロセス"},{"@language":"en","@value":"Geology, petrology and magma process of Ishikoshi Andesite in northern Miyagi Prefecture, NE Japan"},{"@language":"ja-Kana","@value":"ミヤギケン ホクブ,セキエツアンザンガン ノ チシツ ・ ガンセキガクテキ トクチョウ ト マグマプロセス"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206546560128","@type":"Article","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Hydrous and anhydrous melting experiments of an alkali basalt and a transitional tholeiite from the Oginosen volcano, Southwest Japan: The possible influence of melt depolymerization on Ca-Na partitioning between plagioclase and the 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