{"@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/1361699995799771008.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.1016/0040-1951(94)00239-6"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0040195194002396?httpAccept=text/xml"}},{"identifier":{"@type":"URI","@value":"https://api.elsevier.com/content/article/PII:0040195194002396?httpAccept=text/plain"}},{"identifier":{"@type":"NAID","@value":"30004171715"}}],"dc:title":[{"@value":"Infrared microspectroscopy analysis of water distribution in deformed and metamorphosed rocks"}],"description":[{"notation":[{"@value":"Infrared microspectroscopy has been applied to thin sections of various deformed and metamorphosed rocks in order to investigate water content of quartz in these rocks. The broad IR band absorbance around 3400 cm−1 probably due to fluid-inclusion molecular water (H2O) was used to calculate water contents. Deformed granitic rocks from the Yanazawa-Kamimura area near the Median Tectonic Line (MTL) showed an increase of water content in quartz from about 300 ppm to 2500 ppm toward the MTL with increasing degree of deformation. Metacherts from Sambagawa metamorphic rocks (Asemigawa route) showed a systematic decrease of water content in quartz from about 1000 ppm to 200 ppm with increasing metamorphic degree from chlorite, garnet, albite-biotite to oligoclase-biotite zones. An Archaean metachert from the Napier Complex (granulite facies) has only 40 ppm water. Comparing this with an Inuyama unmetamorphosed chert sample having water contents of 3500 to 7000 ppm (a starting point of metamorphism), the systematic decrease of water in quartz with increasing metamorphic grade may extend from unmetamorphosed cherts to the highest-grade metacherts. Water contents in high-pressure metamorphic rocks in Japan are mostly of the order of 500 ppm (300–700 ppm), except for those from Kurosegawa with a water content as high as 1700 ppm. These results represent an exploratory analysis of intragranular water contents in quartz in various deformed and metamorphosed rocks. Further micro FT-IR studies of the distribution of water in crustal rocks will provide a quantitative basis for examining the geochemical cycle of water in the earth's crust."}]}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1381699995799771010","@type":"Researcher","foaf:name":[{"@value":"Satoru Nakashima"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771011","@type":"Researcher","foaf:name":[{"@value":"Hiromi Matayoshi"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771012","@type":"Researcher","foaf:name":[{"@value":"Takako Yuko"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771008","@type":"Researcher","foaf:name":[{"@value":"Katsuyoshi Michibayashi"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771013","@type":"Researcher","foaf:name":[{"@value":"Toshiaki Masuda"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771014","@type":"Researcher","foaf:name":[{"@value":"Noriko Kuroki"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771016","@type":"Researcher","foaf:name":[{"@value":"Hiraku Yamagishi"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771009","@type":"Researcher","foaf:name":[{"@value":"Yuki Ito"}]},{"@id":"https://cir.nii.ac.jp/crid/1381699995799771015","@type":"Researcher","foaf:name":[{"@value":"Akira Nakamura"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00401951"}],"prism:publicationName":[{"@value":"Tectonophysics"}],"dc:publisher":[{"@value":"Elsevier BV"}],"prism:publicationDate":"1995-05","prism:volume":"245","prism:number":"3-4","prism:startingPage":"263","prism:endingPage":"276"},"reviewed":"false","dc:rights":["https://www.elsevier.com/tdm/userlicense/1.0/"],"url":[{"@id":"https://api.elsevier.com/content/article/PII:0040195194002396?httpAccept=text/xml"},{"@id":"https://api.elsevier.com/content/article/PII:0040195194002396?httpAccept=text/plain"}],"createdAt":"2002-07-26","modifiedAt":"2019-04-16","relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1050012570392438528","@type":"Article","resourceType":"学術雑誌論文(journal article)","relationType":["isReferencedBy"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Water distribution in quartz schists of the Sanbagawa Metamorphic Belt, Japan: infrared spectroscopic mapping and comparison of the calibrations proposed for determining water contents"}]},{"@id":"https://cir.nii.ac.jp/crid/1360004239507995648","@type":"Article","resourceType":"学術雑誌論文(journal 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