{"created":"2023-07-25T11:03:06.817078+00:00","id":5930,"links":{},"metadata":{"_buckets":{"deposit":"574e71c0-d4c9-442d-9190-c11ca024b980"},"_deposit":{"created_by":4,"id":"5930","owners":[4],"pid":{"revision_id":0,"type":"depid","value":"5930"},"status":"published"},"_oai":{"id":"oai:nipr.repo.nii.ac.jp:00005930","sets":["1259:1260:1264:773:775"]},"author_link":["43973","9859"],"item_1_biblio_info_14":{"attribute_name":"書誌情報","attribute_value_mlt":[{"bibliographicIssueDates":{"bibliographicIssueDate":"1998-03","bibliographicIssueDateType":"Issued"},"bibliographicPageEnd":"162","bibliographicPageStart":"155","bibliographicVolumeNumber":"11","bibliographic_titles":[{"bibliographic_title":"Antarctic meteorite research"}]}]},"item_1_creator_8":{"attribute_name":"著者名(英)","attribute_type":"creator","attribute_value_mlt":[{"creatorNames":[{"creatorName":"Sato,Kimiyasu","creatorNameLang":"en"}],"nameIdentifiers":[{}]},{"creatorNames":[{"creatorName":"Miyamoto,Masamichi","creatorNameLang":"en"}],"nameIdentifiers":[{}]}]},"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 presence and intensity of absorption band near 3μm in the reflectance spectra are due to the presence and abundance of hydrates and/or hydroxylions. Previously, we have shown that Renazzo (CR2 chondrite) is an excellent spectral match to 2 Pallas (B-type asteroid) in the wavelength region near 3μm. In this paper, we have measured infrared diffuse reflectance spectra of eight Antarctic CR2 chondrites and have compared reflectance spectra of CR2 chondrites with those of eight asteroids which belong to the C, G, B and F taxonomic classes. The spectral absorption near 3μm of Antarctic CR2 chondrites are deepened and rounded compared to that of Renazzo (fell 1824). This difference implies the presence of corrosion products probably due to terrestrial weathering of the Antarctic CR2 chondrites. This is the reason why no asteroids has been found that has an Antarctic CR2 meteorite counterpart. In addition to the close similarity between Pallas and Renazzo, the overall spectral profile of 511 Davida also exhibit similarity to the Renazzo spectrum.","subitem_description_type":"Other"}]},"item_1_identifier_registration":{"attribute_name":"ID登録","attribute_value_mlt":[{"subitem_identifier_reg_text":"10.15094/00005930","subitem_identifier_reg_type":"JaLC"}]},"item_1_publisher_22":{"attribute_name":"出版者","attribute_value_mlt":[{"subitem_publisher":"National Institute of Polar Research"}]},"item_1_source_id_13":{"attribute_name":"雑誌書誌ID","attribute_value_mlt":[{"subitem_source_identifier":"AA11182426","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":"Mineralogical Institute, Graduate School of Science, University of Tokyo/Mineralogical Institute, Graduate School of Science, University of Tokyo"}]},"item_files":{"attribute_name":"ファイル情報","attribute_type":"file","attribute_value_mlt":[{"accessrole":"open_date","date":[{"dateType":"Available","dateValue":"1998-03-01"}],"displaytype":"detail","filename":"KJ00000040922.pdf","filesize":[{"value":"818.0 kB"}],"format":"application/pdf","licensetype":"license_6","mimetype":"application/pdf","url":{"label":"KJ00000040922","url":"https://nipr.repo.nii.ac.jp/record/5930/files/KJ00000040922.pdf"},"version_id":"2f0e848a-8dc0-4461-bdfc-86272199f135"}]},"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":"Infrared diffuse reflectance spectra of weathered and unweathered CR2 chondrites: Comparison with asteroids","item_titles":{"attribute_name":"タイトル","attribute_value_mlt":[{"subitem_title":"Infrared diffuse reflectance spectra of weathered and unweathered CR2 chondrites: Comparison with asteroids"}]},"item_type_id":"1","owner":"4","path":["775"],"pubdate":{"attribute_name":"公開日","attribute_value":"1998-03-01"},"publish_date":"1998-03-01","publish_status":"0","recid":"5930","relation_version_is_last":true,"title":["Infrared diffuse reflectance spectra of weathered and unweathered CR2 chondrites: Comparison with asteroids"],"weko_creator_id":"4","weko_shared_id":4},"updated":"2023-07-25T12:08:31.255583+00:00"}