2008 Fiscal Year Final Research Report
Toward elucidation of carbonaceous matter and minerals that formed primordial solar system
| Project/Area Number |
17340157
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| Research Category |
Grant-in-Aid for Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Petrology/Mineralogy/Science of ore deposit
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| Research Institution | Ibaraki University |
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Principal Investigator |
NOGUCHI Takaaki Ibaraki University, 理学部, 准教授 (40222195)
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| Co-Investigator(Kenkyū-buntansha) |
NAKAMURA Tomoki 九州大学, 大学院・理学研究院, 准教授 (20260721)
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| Co-Investigator(Renkei-kenkyūsha) |
KIMURA Makoto 茨城大学, 理学部, 教授 (20142226)
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| Project Period (FY) |
2005 – 2008
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| Keywords | 宇宙塵 / 微隕石 / 惑星間塵 / 南極 / 彗星 / 小惑星 / 原始太陽系 |
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| Research Abstract |
4年にわたり、総計約400kgの雪を南極より日本に持ち帰ってもらい、その雪から地球外起源の塵を約200個発見した.その中から、従来、成層圏でしか捕集できなかった彗星起源塵を約10個同定できた.彗星起源塵には、炭素質コンドライトという隕石に特徴的な構成要素と鉱物学的にも同位体化学的にも区別のつかない物体が含まれることを発見した.さらに、彗星起源の塵と小惑星起源の塵には、炭素質物質の骨格構造的に違いがあることがラマンスペクトルの解析から分かった.
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Research Products
(30 results)
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[Journal Article] Stardust in micrometeorites. Meteorit2008
Author(s)
Yada, T., Floss, C., Stadermann, F., Zinner, E., Nakamura, T., Noguchi, T., and Lea, A. S
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Journal Title
Planet. Sci. 43
Pages: 1287-1298
Peer Reviewed
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[Journal Article] Carbonaceous chondrite clasts in H chondrite regolith breccias : Dimmitt H4, Plainview H5, Tsukuba H4-5, Willard (b) H3.8, and Zag H3-6 meteorites. International Science Symposium on Sample Returns from Solar System Bodies~2008
Author(s)
Noguchi, T., Nakamura, T., Nakashima, D., Inada, A., Nagao, K., Kusakabe, M., and Zolensky, M. E
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Journal Title
The First Hayabusa Symposium. (eds. Hajime Yano, Akira Fujiwara, Don Yeomans and Michael Zolensky) ASP Conference Series
Peer Reviewed
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[Journal Article] Chondrule-like objects in short-period comet 81P/Wild 22008
Author(s)
Nakamura, T., Noguchi, T., Tsuchiyama, A., Ushikubo, T., Kita, N. T., Valley, J. W., Zolensky, M. E., Kakazu, K., Sakamoto, K., Mashio, E., Uesugi, K., and Nakano, T
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Journal Title
Science 321
Pages: 1664-1667
Peer Reviewed
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[Journal Article] Bulk mineralogy and three-dimensional structures of individual Stardust particles deduced from synchrotron X-ray diffraction and microtomography analysis2008
Author(s)
Nakamura, T., Tsuchiyama, A., Akaki, T., Uesugi, K., Nakano, T., Takeuchi, A., Suzuki, Y., and Noguchi, T
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Journal Title
Meteoritics Planet. Sci. 43
Pages: 247-260
Peer Reviewed
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[Journal Article] Crystallization Experiments of Amorphous Silicates with the Chondritic Composition2007
Author(s)
Murata, K., Chihara, H., Tsuchiyama, A., Koike, C., Takakura, T., Noguchi, T., and Nakamura, T
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Journal Title
Quantitative Formulation of the Crystallization. Astrophy. J 668
Pages: 285-293
Peer Reviewed
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[Journal Article] Thermal alteration of hydrated minerals during hypervelocity capture to silica aerogel at the flyby speed of Stardust2007
Author(s)
Noguchi, T., Nakamura, T., Okudaira, K., Yano, H., Sugita, S., and Burchell, M. J
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Journal Title
Meteoritics Planet. Sci. 42
Pages: 357-372
Peer Reviewed
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