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| Tsukuba | |||||||||||||||||
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| Basic information | Name: Tsukuba This is an OFFICIAL meteorite name. Abbreviation: There is no official abbreviation for this meteorite. Observed fall: Yes Year fell: 1996 Country: Japan Mass:  800 g | ||||||||||||||||
| Classification history: |
This is 1 of 148 approved meteorites classified as H5-6. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||
| Writeup |
Writeup from MB 80:
Tsukuba Tsukuba-Shi and environs, Honshu, Japan. Fell 1996 January 7, 16:20 local time. Ordinary chondrite (H5-6 breccia) After a luminous meteor and violent detonations, 23 stones totalling ~800 g (largest, 177.5 g) were recovered, including one that penetrated a roof. Mineralogy and classification (M. Shima & S. Yoneda, National Science Museum, Tokyo; A. Okada, Inst. Phys. Chem. Research, Saitama; S. Togashi): olivine, Fa17.9; pyroxene Fs16.5; H5 breccia contains H6 clasts; black shock veins present. Specimens: most with individuals who recovered them; type specimen, National Science Museum, 3-23-1, Hyakunin-cho, Shinjuku-ku, Tokyo 169, Japan. | ||||||||||||||||
| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 80, MAPS 31, A175-A180 (1996)
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Geography:
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Statistics: This is 1 of 9 approved meteorites from Kanto, Japan (plus 4 unapproved names) This is 1 of 58 approved meteorites from Japan (plus 12 unapproved names) | ||||||||||||||||
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