{"@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/1362825895155425664.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1046/j.1525-1314.1996.05792.x"}},{"identifier":{"@type":"URI","@value":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1525-1314.1996.05792.x"}},{"identifier":{"@type":"URI","@value":"https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1525-1314.1996.05792.x"}}],"dc:title":[{"@value":"Raman spectrum of carbonaceous material: a possible metamorphic grade indicator for low‐grade metamorphic rocks"}],"description":[{"type":"abstract","notation":[{"@value":"<jats:p>Raman spectral analyses of carbonaceous material (CM) extracted from pelitic samples along two sections traversing the metamorphic belt of Taiwan were carried out in the present study. The results show similar spectral variations of CM with metamorphic grade as those documented in the literature. However, continuous sampling from zeolite facies through prehnite–pumpellyite facies to greenschist facies metamorphic rocks in the present study does reveal some interesting features on the Raman spectra of CM that were not noted before. Both the Raman D (disordered‐)/O (ordered‐) peak area (i.e. integrated intensity) ratio and the D/O peak width (i.e. full width at half maximum, FWHM) ratio of the CM decrease with progressive metamorphism, but the most prominent change in the D/O peak area ratio occurs in samples of lower greenschist facies metamorphic grade, while the most significant decrease in the D/O peak width ratio occurs in samples near the boundary of prehnite–pumpellyite facies and greenschist facies. This phenomenon is interpreted as a result of the decoupling of the changing rates of in‐plane crystallite size and degree of defects of CM with progressive metamorphism. It is postulated that the Raman spectrum of CM can serve as a metamorphic grade indicator to distinguish samples of prehnite–pumpellyite facies metamorphic grade from those of greenschist facies metamorphic grade.</jats:p>"}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1380016867312286208","@type":"Researcher","foaf:name":[{"@value":"T.‐F. YUI"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825895155425665","@type":"Researcher","foaf:name":[{"@value":"E. HUANG"}]},{"@id":"https://cir.nii.ac.jp/crid/1382825895155425664","@type":"Researcher","foaf:name":[{"@value":"J. XU"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"02634929"},{"@type":"EISSN","@value":"15251314"}],"prism:publicationName":[{"@value":"Journal of Metamorphic Geology"}],"dc:publisher":[{"@value":"Wiley"}],"prism:publicationDate":"1996-03","prism:volume":"14","prism:number":"2","prism:startingPage":"115","prism:endingPage":"124"},"reviewed":"false","dc:rights":["http://onlinelibrary.wiley.com/termsAndConditions#vor"],"url":[{"@id":"https://api.wiley.com/onlinelibrary/tdm/v1/articles/10.1046%2Fj.1525-1314.1996.05792.x"},{"@id":"https://onlinelibrary.wiley.com/doi/pdf/10.1046/j.1525-1314.1996.05792.x"}],"createdAt":"2003-11-02","modifiedAt":"2023-10-26","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050866514666885120","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Investigation of the records of earthquake slip in carbonaceous materials from the Taiwan 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<scp>S</scp>outhwest <scp>J</scp>apan: <scp>T</scp>ectonic evolution in response to igneous activity within a subduction zone"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004236002643968","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Discovery of unusual metamorphic temperatures in the Yuli belt, eastern Taiwan: New interpretation of data by Raman carbonaceous material geothermometry"}]},{"@id":"https://cir.nii.ac.jp/crid/1360005515845931264","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Pressure dependence of graphitization: implications for rapid recrystallization of carbonaceous material in a subduction zone"}]},{"@id":"https://cir.nii.ac.jp/crid/1360016861566902400","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@value":"Spatial distribution of organic 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