{"@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/1363670320736405504.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/0040-1951(95)00039-4"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0040195195000394?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0040195195000394?httpAccept=text/plain"}}],"dc:title":[{"@value":"A new estimate of the conditions for transition from basal 〈a〉 to prism [c] slip in naturally deformed quartz"}],"description":[{"notation":[{"@value":"Abstract   Quartz  c -axis fabrics of naturally deformed quartz in metacherts from the Ryoke metamorphic belt in the Yanai district, southwestern Japan, suggest that the prism [ c ], prism 〈 a 〉 and basal 〈 a 〉 slip systems were activated during the plastic deformation under high-temperature metamorphic conditions. With increasing temperature, quartz  c -axis fabric patterns change from girdle type, through  X -maximum with a faint crossed girdle, to  X -maximum. The dominant orientation of subgrain boundaries in the quartz also changes from prism to basal with increasing temperature, closely correlated with the change in quartz  c -axis fabric. The fabric transition is also accompanied by an abrupt increase of recrystallized quartz grain size. Moreover, observations with transmission electron microscopy (TEM) clearly identify the dominant activation of [ c ] slip through the presence of basal subgrain boundaries and free dislocations with the [0001] Burgers vector in the quartz from the metachert samples exhibiting  X -maximum  c -axis fabric. Based on these observations it is concluded that the mechanism switch from basal 〈 a 〉 to prism [ c ] slip systems occurred with increasing temperature in the metacherts. The transition temperature is petrologically estimated to be ca. 550–600°C at the natural strain rate."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1383670320736405504","@type":"Researcher","foaf:name":[{"@value":"Takamoto Okudaira"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320736405507","@type":"Researcher","foaf:name":[{"@value":"Toru Takeshita"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320736405505","@type":"Researcher","foaf:name":[{"@value":"Ikuo Hara"}]},{"@id":"https://cir.nii.ac.jp/crid/1383670320736405506","@type":"Researcher","foaf:name":[{"@value":"Jun-ichi Ando"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00401951"}],"prism:publicationName":[{"@value":"Tectonophysics"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"1995-11","prism:volume":"250","prism:number":"1-3","prism:startingPage":"31","prism:endingPage":"46"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:0040195195000394?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:0040195195000394?httpAccept=text/plain"}],"createdAt":"2002-07-26","modifiedAt":"2019-04-16","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050857235853799168","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Megathrust Shear Modulated by Albite Metasomatism in Subduction Mélanges"}]},{"@id":"https://cir.nii.ac.jp/crid/1360285707301666048","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Ductility contrast induced by silicification in pelitic schist 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Japan"}]},{"@id":"https://cir.nii.ac.jp/crid/1360865815486397312","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Deformation-induced, retrograde transformation of kyanite to andalusite: An example of felsic granulite in the southern Bohemian Massif"}]},{"@id":"https://cir.nii.ac.jp/crid/1390001206237506560","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Emplacement process of the Hatsuse plutonic complex, central Kinki Province, SW Japan."},{"@language":"ja","@value":"近畿中央部，初瀬深成複合岩体の定置過程"},{"@language":"ja-Kana","@value":"キンキ チュウオウブ ハツセ シンセイ フクゴウ ガンタイ ノ テイチ カテイ"},{"@value":"Emplacement process of the Hatsuse plutonic complex, central Kinki 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