{"created":"2023-07-25T11:00:11.445070+00:00","id":1974,"links":{},"metadata":{"_buckets":{"deposit":"199cf97b-3a60-4a08-9ddc-876b70018c4d"},"_deposit":{"created_by":4,"id":"1974","owners":[4],"pid":{"revision_id":0,"type":"depid","value":"1974"},"status":"published"},"_oai":{"id":"oai:nipr.repo.nii.ac.jp:00001974","sets":["1:356:395"]},"author_link":["1594"],"item_1_biblio_info_14":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1986-07","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"327","bibliographicPageStart":"319","bibliographicVolumeNumber":"41","bibliographic_titles":[{"bibliographic_title":"Memoirs of National Institute of Polar Research. Special issue"}]}]},"item_1_creator_8":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Schultz, Ludolf","creatorNameLang":"en"}],"nameIdentifiers":[{"nameIdentifier":"1594","nameIdentifierScheme":"WEKO"}]}]},"item_1_description_1":{"attribute_name":"ページ属性","attribute_value_mlt":[{"subitem_description":"P(論文)","subitem_description_type":"Other"}]},"item_1_description_12":{"attribute_name":"抄録(英)","attribute_value_mlt":[{"subitem_description":"The terrestrial ages of four Yamato achondrites have been determined from ^<81>Kr-Kr-exposure ages and cosmogenic ^<38>Ar concentrations. A comparison of terrestrial ages and exposure ages shows that Y-74450 and Y-790007 are paired. The terrestrial age is less than 4×(10)^4y and the exposure age is about 70×(10)^6y. This group of polymict eucrites is different from Y-790122,Y-790260 and Y-790266. The diogenite Y-75032 has an exposure age of 17×(10)^6y and a terrestrial age of less than 7×(10)^4y. The howardite Y-790727 contains large amounts of trapped gases. The exposure age is about 20×(10)^6y. The terrestrial ages of Yamato meteorites are younger than those from the Allan Hills region. This is possibly due to a young age of the Yamato ice field. The relatively short terrestrial ages also exclude a longer time of transportation within the ice and a special concentration mechanism due to ice flow.","subitem_description_type":"Other"}]},"item_1_source_id_13":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AA00733561","subitem_source_identifier_type":"NCID"}]},"item_1_text_10":{"attribute_name":"著者所属(英)","attribute_value_mlt":[{"subitem_text_language":"en","subitem_text_value":"Max-Planck-Institut fur Chemie"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"1986-07-01"}],"displaytype":"detail","filename":"KJ00000012528.pdf","filesize":[{"value":"984.2 kB"}],"format":"application/pdf","licensetype":"license_6","mimetype":"application/pdf","url":{"url":"https://nipr.repo.nii.ac.jp/record/1974/files/KJ00000012528.pdf"},"version_id":"d3a7ad31-cc7b-463f-969c-19279fdc9554"}]},"item_language":{"attribute_name":"言語","attribute_value_mlt":[{"subitem_language":"eng"}]},"item_resource_type":{"attribute_name":"資源タイプ","attribute_value_mlt":[{"resourcetype":"departmental bulletin paper","resourceuri":"http://purl.org/coar/resource_type/c_6501"}]},"item_title":"Terrestrial 81Kr-ages of four Yamato meteorites","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Terrestrial 81Kr-ages of four Yamato meteorites","subitem_title_language":"en"}]},"item_type_id":"1","owner":"4","path":["395"],"pubdate":{"attribute_name":"公開日","attribute_value":"1986-07-01"},"publish_date":"1986-07-01","publish_status":"0","recid":"1974","relation_version_is_last":true,"title":["Terrestrial 81Kr-ages of four Yamato meteorites"],"weko_creator_id":"4","weko_shared_id":4},"updated":"2023-07-25T13:47:53.619323+00:00"}