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Tsukuba
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:help 800 g
Classification
  history:
Meteoritical Bulletin:  MB 80  (1996)  H5-6
NHM Catalogue:  5th Edition  (2000)  H5-6
MetBase:  v. 7.1  (2006)  H5-6
Recommended:  H5-6    [explanation]

This is 1 of 108 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)
Writeuphelp
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:
References: Published in Meteoritical Bulletin, no. 80, MAPS 31, A175-A180 (1996)
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Photos:
CreditPhotos
Photos from the Encyclopedia of Meteorites:
Copyright Geological Survey of Japan      
Yasuo Shiba   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
MeteoriteCollector.org - JNSM - Tokyo      
Geography:

Japan
Coordinates:
     Catalogue of Meteorites:   (36° 3' 48"N, 140° 8' 42"E)
     Recommended::   (36° 3' 48"N, 140° 8' 42"E)

Statistics:
     This is 1 of 7 approved meteorites from Kanto, Japan (plus 4 unapproved names)
     This is 1 of 55 approved meteorites from Japan (plus 12 unapproved names)
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