{"@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/1390282679527484544.json","@type":"Article","productIdentifier":[{"identifier":{"@type":"DOI","@value":"10.2343/geochemj.32.135"}},{"identifier":{"@type":"NDL_BIB_ID","@value":"4483668"}},{"identifier":{"@type":"URI","@value":"http://id.ndl.go.jp/bib/4483668"}},{"identifier":{"@type":"URI","@value":"https://ndlsearch.ndl.go.jp/books/R000000004-I4483668"}},{"identifier":{"@type":"URI","@value":"http://www.jstage.jst.go.jp/article/geochemj1966/32/2/32_2_135/_pdf"}},{"identifier":{"@type":"NAID","@value":"130003904599"}},{"identifier":{"@type":"NAID","@value":"10008802705"}}],"dc:title":[{"@language":"en","@value":"In-pattern tetrad effect-like variation, so far overlooked, but obviously observed in REE abundances of REE minerals."},{"@language":"ja-Kana","@value":"In-pattern tetrad effect-like variation"}],"dc:language":"en","description":[{"type":"abstract","notation":[{"@language":"en","@value":"Rare earth elements in REE-rich minerals were determined accurately by isotope dilution mass spectrometry (IDMS). The chondrite normalized REE patterns of some specimens showed regular relative aberrations, which are similar to that of the “tetrad effect”. We have introduced a background curve passing normalized values of La, Nd, Gd, Er and Lu, to measure the aberrations. The relative differential variations of some of the minerals are not small, but have been overlooked due to large overall variations of the chondrite normalized values."}],"abstractLicenseFlag":"disallow"}],"creator":[{"@id":"https://cir.nii.ac.jp/crid/1410282679526920320","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000000786525"},{"@type":"NRID","@value":"9000254579340"}],"foaf:name":[{"@language":"en","@value":"Akagi Tasuku"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Laboratory of Chemistry, Tokyo University of Agriculture and Technology"}]},{"@id":"https://cir.nii.ac.jp/crid/1030003658363887104","@type":"Researcher","personIdentifier":[{"@type":"KAKEN_RESEARCHERS","@value":"50188869"},{"@type":"NRID","@value":"1000050188869"},{"@type":"NRID","@value":"9000254579249"},{"@type":"NRID","@value":"9000414389417"},{"@type":"NRID","@value":"9000006116691"},{"@type":"NRID","@value":"9000000786698"},{"@type":"NRID","@value":"9000258402670"},{"@type":"NRID","@value":"9000001659238"},{"@type":"NRID","@value":"9000254579341"},{"@type":"NRID","@value":"9000347187719"},{"@type":"NRID","@value":"9000257916416"},{"@type":"NRID","@value":"9000001471419"},{"@type":"NRID","@value":"9000023607920"},{"@type":"NRID","@value":"9000257916420"},{"@type":"NRID","@value":"9000001471425"},{"@type":"NRID","@value":"9000258403823"},{"@type":"NRID","@value":"9000254145987"},{"@type":"NRID","@value":"9000258403980"},{"@type":"NRID","@value":"9000254146853"},{"@type":"RESEARCHMAP","@value":"https://researchmap.jp/read0007843"}],"foaf:name":[{"@language":"en","@value":"Nakai Shun'ichi"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Earthquake Research Institute, Tokyo University"}]},{"@id":"https://cir.nii.ac.jp/crid/1410282679527484545","@type":"Researcher","personIdentifier":[{"@type":"NRID","@value":"9000254579342"}],"foaf:name":[{"@language":"en","@value":"Masuda Akimasa"}],"jpcoar:affiliationName":[{"@language":"en","@value":"Department of Chemistry, The University of Electro-communications"}]}],"publication":{"publicationIdentifier":[{"@type":"PISSN","@value":"00167002"},{"@type":"LISSN","@value":"00167002"},{"@type":"EISSN","@value":"18805973"},{"@type":"NDL_BIB_ID","@value":"000000128646"},{"@type":"ISSN","@value":"00167002"},{"@type":"NCID","@value":"AA00654975"}],"prism:publicationName":[{"@language":"en","@value":"GEOCHEMICAL JOURNAL"},{"@language":"ja","@value":"ＧＥＯＣＨＥＭＩＣＡＬ　ＪＯＵＲＮＡＬ"},{"@language":"en","@value":"Geochem. J."},{"@language":"ja","@value":"Ｇｅｏｃｈｅｍ．　Ｊ．"}],"dc:publisher":[{"@language":"en","@value":"GEOCHEMICAL SOCIETY OF JAPAN"},{"@language":"ja","@value":"一般社団法人日本地球化学会"}],"prism:publicationDate":"1998","prism:volume":"32","prism:number":"2","prism:startingPage":"135","prism:endingPage":"141"},"reviewed":"false","dcterms:accessRights":"http://purl.org/coar/access_right/c_abf2","url":[{"@id":"http://id.ndl.go.jp/bib/4483668"},{"@id":"https://ndlsearch.ndl.go.jp/books/R000000004-I4483668"},{"@id":"http://www.jstage.jst.go.jp/article/geochemj1966/32/2/32_2_135/_pdf"}],"availableAt":"1998","foaf:topic":[{"@id":"https://cir.nii.ac.jp/all?q=Geochemistry%20and%20Petrology","dc:title":"Geochemistry and Petrology"},{"@id":"https://cir.nii.ac.jp/all?q=Geophysics","dc:title":"Geophysics"}],"relatedProduct":[{"@id":"https://cir.nii.ac.jp/crid/1363388845920536960","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@value":"Fine structures of mutually normalized rare-earth patterns of 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shale\"\""}]},{"@id":"https://cir.nii.ac.jp/crid/1570572701686206208","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Lanthanide tetrad effects in nature : two mutually opposite types, W and M"}]},{"@id":"https://cir.nii.ac.jp/crid/1571135651464830336","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"The Karonge rare earth deposit, Republic of Burundi : new mineralogical-geochemical data and the origin of the mineralization"}]},{"@id":"https://cir.nii.ac.jp/crid/1571417126441796352","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Lanthanide tetrad effect observed in marine environment"}]},{"@id":"https://cir.nii.ac.jp/crid/1571417126645621376","@type":"Article","relationType":["cites"],"jpcoar:relatedTitle":[{"@language":"en","@value":"Lanthanide tetrad effect in kimuraiite [CaY_2(CO_3)_4 6H_2O] : Implication for a new geochemical 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