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The concentration of trapped ^\u003c36\u003eAr is comparable with that of E- and C-chondrites and ureilites. Trapped ^\u003c132\u003eXe is unusually abundant. Y-74063 contains a very high concentration of radiogenic ^\u003c129\u003eXe. Trapped ^\u003c20\u003eNe/^\u003c36\u003eAr is low and similar to that of ureilites. Trapped ^\u003c36\u003eAr/^\u003c132\u003eXe of 32±4 is lower than that of any meteorites ever reported. The trapped gases in Y-74063 are depleted in Ar relative to Xe. Planetary-type noble gases may be mixtures of an Ar-depleted component and the \"sub-solar\" or \"Ar-rich\" component isolated in E-chondrites. The cosmic-ray exposure age is 6.2±0.4 Ma. Gas-retention ages are calculated to be less than 3.7±0.2,and 4.8±0.4 Ga from radiogenic ^4He and ^\u003c40\u003eAr respectively. The K-Ar age older than the age of the solar system may attributed to chemical inhomogeneities resulting in an exceptionally high K concentration of the investigated sample. The gasretention ages, the large amounts of radiogenic ^\u003c129\u003eXe and the trapped noble gases indicate that the meteorite was a closed system for the noble gases since crystallization.", "subitem_description_type": "Other"}]}, "item_1_identifier_registration": {"attribute_name": "ID登録", "attribute_value_mlt": [{"subitem_identifier_reg_text": "10.15094/00004544", "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": "AA10784627", "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": "Department of Earth Sciences, Faculty of Science, Yamagata University/Department of Earth Sciences, Faculty of Science, Yamagata University"}]}, "item_files": {"attribute_name": "ファイル情報", "attribute_type": "file", "attribute_value_mlt": [{"accessrole": "open_date", "date": [{"dateType": "Available", "dateValue": "1991-03-01"}], "displaytype": "detail", "download_preview_message": "", "file_order": 0, "filename": "KJ00000036350.pdf", "filesize": [{"value": "1.1 MB"}], "format": "application/pdf", "future_date_message": "", "is_thumbnail": false, "licensetype": "license_6", "mimetype": "application/pdf", "size": 1100000.0, "url": {"label": "KJ00000036350", "url": "https://nipr.repo.nii.ac.jp/record/4544/files/KJ00000036350.pdf"}, "version_id": "9ba83803-82c4-48a1-bbba-22a83480b6ab"}]}, "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": "Noble gas composition in unique meteorite Yamato-74063", "item_titles": {"attribute_name": "タイトル", "attribute_value_mlt": [{"subitem_title": "Noble gas composition in unique meteorite Yamato-74063"}]}, "item_type_id": "1", "owner": "4", "path": ["588"], "permalink_uri": "https://doi.org/10.15094/00004544", "pubdate": {"attribute_name": "公開日", "attribute_value": "1991-03-01"}, "publish_date": "1991-03-01", "publish_status": "0", "recid": "4544", "relation": {}, "relation_version_is_last": true, "title": ["Noble gas composition in unique meteorite Yamato-74063"], "weko_shared_id": 4}
Noble gas composition in unique meteorite Yamato-74063
https://doi.org/10.15094/00004544
https://doi.org/10.15094/0000454441b3f830-d5df-43eb-9ddc-294014bcef0d
名前 / ファイル | ライセンス | アクション |
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KJ00000036350 (1.1 MB)
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Item type | 紀要論文(ELS) / Departmental Bulletin Paper(1) | |||||
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公開日 | 1991-03-01 | |||||
タイトル | ||||||
タイトル | Noble gas composition in unique meteorite Yamato-74063 | |||||
言語 | ||||||
言語 | eng | |||||
資源タイプ | ||||||
資源タイプ識別子 | http://purl.org/coar/resource_type/c_6501 | |||||
資源タイプ | departmental bulletin paper | |||||
ID登録 | ||||||
ID登録 | 10.15094/00004544 | |||||
ID登録タイプ | JaLC | |||||
ページ属性 | ||||||
内容記述タイプ | Other | |||||
内容記述 | P(論文) | |||||
著者名(英) |
Takaoka,Nobuo
× Takaoka,Nobuo× Yoshida,Yo-ichi |
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著者所属(英) | ||||||
en | ||||||
Department of Earth Sciences, Faculty of Science, Yamagata University/Department of Earth Sciences, Faculty of Science, Yamagata University | ||||||
抄録(英) | ||||||
内容記述タイプ | Other | |||||
内容記述 | Unique meteorite Yamato-74063 contains large amounts of trapped heavy noble gases whereas it is depleted in trapped He and Ne. The concentration of trapped ^<36>Ar is comparable with that of E- and C-chondrites and ureilites. Trapped ^<132>Xe is unusually abundant. Y-74063 contains a very high concentration of radiogenic ^<129>Xe. Trapped ^<20>Ne/^<36>Ar is low and similar to that of ureilites. Trapped ^<36>Ar/^<132>Xe of 32±4 is lower than that of any meteorites ever reported. The trapped gases in Y-74063 are depleted in Ar relative to Xe. Planetary-type noble gases may be mixtures of an Ar-depleted component and the "sub-solar" or "Ar-rich" component isolated in E-chondrites. The cosmic-ray exposure age is 6.2±0.4 Ma. Gas-retention ages are calculated to be less than 3.7±0.2,and 4.8±0.4 Ga from radiogenic ^4He and ^<40>Ar respectively. The K-Ar age older than the age of the solar system may attributed to chemical inhomogeneities resulting in an exceptionally high K concentration of the investigated sample. The gasretention ages, the large amounts of radiogenic ^<129>Xe and the trapped noble gases indicate that the meteorite was a closed system for the noble gases since crystallization. | |||||
雑誌書誌ID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA10784627 | |||||
書誌情報 |
Proceedings of the NIPR Symposium on Antarctic Meteorites 巻 4, p. 178-186, 発行日 1991-03 |
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出版者 | ||||||
出版者 | National Institute of Polar Research |