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Oxygen isotopes (Δ17O = 0.218‰) confirm a martian origin for this meteorite. Three texturally distinctive internal zones and a partially devitrified fusion crust occur in the polished section of Y 984028 studied here. The zones include: 1) a poikilitic region with pyroxene enclosing olivine and chromite (Zone A); 2) a non-poikilitic zone with cumulate olivine, interstitial pyroxene, maskelynite and Ti-rich chromite (Zone B) and; 3) a monomict breccia (Zone C). The pyroxene oikocryst in Zone A is chemically zoned from Wo3–7En76–71 in the core region to Wo33–36En52–49 at the rim, and encloses more Mg-rich olivine (Fo74–70) in the core, as compared with olivines (Fo69–68) located at the oikocryst rim. Constraints from Fe–Mg partitioning between crystals and melt indicate that constituent minerals are not in equilibrium with the corresponding bulk-rock composition, implying that Y 984028 represents a cumulate. The whole-rock major- and trace-element compositions, and initial 187Os/188Os value (0.1281 ± 0.0002) of Y 984028 are similar to other lherzolitic shergottites and this sample is probably launch-paired with Y 793602, Y 000027, Y 000047, and Y 000097. The Os isotopic composition and highly-siderophile element (HSE) abundances of Y 984028 and other lherzolitic shergottites are consistent with derivation from a martian mantle source that evolved with chondritic Re/Os.", "subitem_description_type": "Abstract"}]}, "item_10001_description_6": {"attribute_name": "内容記述", "attribute_value_mlt": [{"subitem_description": "レールゾライト質シャーゴッタイトYamato (Y) 984028の岩石鉱物学的、化学的、酸素とオスミウム同位体組成に関する研究を行った。酸素同位体組成から、この岩石は火星起源であることを確認した。岩石組織や鉱物組成の特徴から、Y980428は集積岩であると考えられる。この岩石の全岩組成とオスミウム初生値は、欠乏したシャーゴッタイトのものに類似する。このことから、外の南極産シャーゴッタイト(Y793062、Y000027/47/97など)と火星上の同じクレータ起源であると考えられる。オスミウム同位体組成および親鉄元素組成から、Y980428はコンドライト組成から進化したRe/Os組成をもつマントルが起源であると考えられる。", "subitem_description_type": "Other"}]}, "item_10001_publisher_8": {"attribute_name": "出版者", "attribute_value_mlt": [{"subitem_publisher": "国立極地研究所"}]}, "item_10001_relation_12": {"attribute_name": "論文ID(NAID)", "attribute_value_mlt": [{"subitem_relation_type_id": {"subitem_relation_type_id_text": "110007873823", "subitem_relation_type_select": "NAID"}}]}, "item_10001_relation_14": {"attribute_name": "DOI", "attribute_value_mlt": [{"subitem_relation_name": [{"subitem_relation_name_text": "10.1016/j.polar.2010.04.009"}], "subitem_relation_type_id": {"subitem_relation_type_id_text": "http://doi.org/10.1016/j.polar.2010.04.009", "subitem_relation_type_select": "DOI"}}]}, "item_10001_source_id_11": {"attribute_name": "書誌レコードID", "attribute_value_mlt": [{"subitem_source_identifier": "AA12240481", "subitem_source_identifier_type": "NCID"}]}, "item_10001_source_id_9": {"attribute_name": "ISSN", "attribute_value_mlt": [{"subitem_source_identifier": "18739652", "subitem_source_identifier_type": "ISSN"}]}, "item_access_right": {"attribute_name": "アクセス権", "attribute_value_mlt": [{"subitem_access_right": "metadata only access", "subitem_access_right_uri": "http://purl.org/coar/access_right/c_14cb"}]}, "item_creator": {"attribute_name": "著者", "attribute_type": "creator", "attribute_value_mlt": [{"creatorNames": [{"creatorName": "Amy, J.V. 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Petrology and geochemistry of Yamato 984028: a cumulate lherzolitic shergottite with affinities to Y 000027, Y 000047, and Y 000097
https://nipr.repo.nii.ac.jp/records/10192
https://nipr.repo.nii.ac.jp/records/10192a34187bb-0c3e-4ee9-8e5e-e1aa77abbbd1
Item type | 学術雑誌論文 / Journal Article(1) | |||||
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公開日 | 2014-10-16 | |||||
タイトル | ||||||
タイトル | Petrology and geochemistry of Yamato 984028: a cumulate lherzolitic shergottite with affinities to Y 000027, Y 000047, and Y 000097 | |||||
タイトル | ||||||
言語 | en | |||||
タイトル | Petrology and geochemistry of Yamato 984028: a cumulate lherzolitic shergottite with affinities to Y 000027, Y 000047, and Y 000097 | |||||
言語 | ||||||
言語 | eng | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Lherzolitic | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Shergottite | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Petrology | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Geochemistry | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Osmium | |||||
キーワード | ||||||
主題Scheme | Other | |||||
主題 | Mars | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Lherzolitic | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Shergottite | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Petrology | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Geochemistry | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Osmium | |||||
キーワード | ||||||
言語 | en | |||||
主題Scheme | Other | |||||
主題 | Mars | |||||
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 | journal article | |||||
アクセス権 | ||||||
アクセス権 | metadata only access | |||||
アクセス権URI | http://purl.org/coar/access_right/c_14cb | |||||
著者 |
Amy, J.V. Riches
× Amy, J.V. Riches× Yang, Liu× James, M.D. Day× Igor, S. Puchtel× Douglas, Rumble III× Harry, Y. McSween Jr.× Richard, J. Walker× Lawrence, A. Taylor× Amy, J.V. Riches× Yang, Liu× James, M.D. Day× Igor, S. Puchtel× Douglas, Rumble III× Harry, Y. McSween Jr.× Richard, J. Walker× Lawrence, A. Taylor |
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抄録 | ||||||
内容記述タイプ | Abstract | |||||
内容記述 | We report the petrography, mineral and whole-rock chemistry (major-, trace-, and highly-siderophile element abundances, and osmium and oxygen isotope compositions) of a newly recognized lherzolitic shergottite, Yamato (Y) 984028. Oxygen isotopes (Δ17O = 0.218‰) confirm a martian origin for this meteorite. Three texturally distinctive internal zones and a partially devitrified fusion crust occur in the polished section of Y 984028 studied here. The zones include: 1) a poikilitic region with pyroxene enclosing olivine and chromite (Zone A); 2) a non-poikilitic zone with cumulate olivine, interstitial pyroxene, maskelynite and Ti-rich chromite (Zone B) and; 3) a monomict breccia (Zone C). The pyroxene oikocryst in Zone A is chemically zoned from Wo3–7En76–71 in the core region to Wo33–36En52–49 at the rim, and encloses more Mg-rich olivine (Fo74–70) in the core, as compared with olivines (Fo69–68) located at the oikocryst rim. Constraints from Fe–Mg partitioning between crystals and melt indicate that constituent minerals are not in equilibrium with the corresponding bulk-rock composition, implying that Y 984028 represents a cumulate. The whole-rock major- and trace-element compositions, and initial 187Os/188Os value (0.1281 ± 0.0002) of Y 984028 are similar to other lherzolitic shergottites and this sample is probably launch-paired with Y 793602, Y 000027, Y 000047, and Y 000097. The Os isotopic composition and highly-siderophile element (HSE) abundances of Y 984028 and other lherzolitic shergottites are consistent with derivation from a martian mantle source that evolved with chondritic Re/Os. | |||||
内容記述 | ||||||
内容記述タイプ | Other | |||||
内容記述 | レールゾライト質シャーゴッタイトYamato (Y) 984028の岩石鉱物学的、化学的、酸素とオスミウム同位体組成に関する研究を行った。酸素同位体組成から、この岩石は火星起源であることを確認した。岩石組織や鉱物組成の特徴から、Y980428は集積岩であると考えられる。この岩石の全岩組成とオスミウム初生値は、欠乏したシャーゴッタイトのものに類似する。このことから、外の南極産シャーゴッタイト(Y793062、Y000027/47/97など)と火星上の同じクレータ起源であると考えられる。オスミウム同位体組成および親鉄元素組成から、Y980428はコンドライト組成から進化したRe/Os組成をもつマントルが起源であると考えられる。 | |||||
書誌情報 |
Polar science en : Polar science 巻 4, 号 4, p. 497-514, 発行日 2011-01 |
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出版者 | ||||||
出版者 | 国立極地研究所 | |||||
ISSN | ||||||
収録物識別子タイプ | ISSN | |||||
収録物識別子 | 18739652 | |||||
書誌レコードID | ||||||
収録物識別子タイプ | NCID | |||||
収録物識別子 | AA12240481 | |||||
論文ID(NAID) | ||||||
識別子タイプ | NAID | |||||
関連識別子 | 110007873823 | |||||
DOI | ||||||
識別子タイプ | DOI | |||||
関連識別子 | http://doi.org/10.1016/j.polar.2010.04.009 | |||||
関連名称 | 10.1016/j.polar.2010.04.009 |