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Yamato 791839
Basic information Name: Yamato 791839
     This is an OFFICIAL meteorite name.
Abbreviation: Y-791839
Observed fall: No
Year found: 1979
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 5.8 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  Ureilite
NIPR Catalogue:  2000 Edition  (2000)  Ureilite
MetBase:  v. 7.1  (2006)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 515 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Writeuphelp
Writeup from MN J9(1):

Y-791839, 52-2

The section consists of aggregates of large elongated olivine grains 3 mm long with some pigeonite grains. Carbon-rich materials distribute unevenly at grain boundaries, where carbonaceous veins are missing and void space was produced. Strong shock effects are numerous, including unduratory extinction. Olivine has cores of Fa24. Pigeonites Ca4-21Fe10-16 show some ranges in chemical compositions. This meteorite is a ureilite.

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Search for this meteorite in the NIPR database (Japan):   
References: Published in Meteorite news : Japanese collection of Antarctic meteorites /Meteorite news : Japanese collection of Antarctic meteorites ,9(1),1-58 (2000-06)
Never published in the Meteoritical Bulletin
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (71° 30'S, 35° 40'E)
     Recommended::   (71° 30'S, 35° 40'E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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