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Yamato 982169
Basic information Name: Yamato 982169
     This is an OFFICIAL meteorite name.
Abbreviation: Y-982169
Observed fall: No
Year found: 1998
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 12.1 g
Classification
  history:
NIPR Newsletter:  MN 20  (2011)  Ureilite
Meteoritical Bulletin:  MB 99  (2011)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 515 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 26 May 2011
Writeuphelp
Writeup from MN J20:
Y982169
Ureilite

The section shows an aggregate of pyroxenes (low-Ca pyroxene and minor augite) and olivine. Most part of the thin section is ~0.3-0.8 mm, but in some places there are coarse grains up to 3 mm. Thin dark materials occur interstitially. Elongated to irregular graphite occur sparsely. Compositions of pyroxenes are Wo4.5-4.9Fs9.8-13.6 and Wo37.1-38.4Fs6.5-7.0, and those of olivine are Fa11.6-13.9.
Data from:
  MB99
  Table 0
  Line 0:
Date:1998
Mass (g):12.07
Pieces:1
Class:Ureilite
Fayalite (mol%):12.8 (11.6-13.9)
Ferrosilite (mol%):11.5 (9.8-13.6)
Classifier:A. Yamaguchi
Type spec mass (g):12.07
Type spec location:NIPR
Main mass:NIPR
Institutions
   and collections
NIPR: Antarctic Meteorite Research Center, National Institute of Polar Research, 10-3 Midori-cho, Tachikawa, Tokyo 190-8518, Japan; Website (institutional address; updated 9 Dec 2013)
Catalogs:
Search for this meteorite in the NIPR database (Japan):   
References: Published in Meteorite newsletter : Japanese collection of Antarctic meteorites /Meteorite newsletter : Japanese collection of Antarctic meteorites ,20,1-19 (2011-03)
Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Geography:

Antarctica
Coordinates:Unknown.

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

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