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Yamato 981617
Basic information Name: Yamato 981617
     This is an OFFICIAL meteorite name.
Abbreviation: Y-981617
Observed fall: No
Year found: 1998
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 134.7 g
Classification
  history:
NIPR Newsletter:  MN 19  (2010)  Eucrite
Meteoritical Bulletin:  MB 98  (2010)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 513 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 20 Jun 2010
Writeuphelp
Writeup from MN J19:

Yamato 981617 (Y 981617)

Antarctica

Found: 1998

Classification: HED achondrite (Eucrite)

Petrography: The section is a coarse-grained (several mm in size) gabbroic texture composed of pyroxene and plagioclase with minor silica and oxide minerals. Pyroxene is inverted pigeonite that contains thick lamellae and blebs of augite.

Geochemistry: Compositions of orthopyroxene are Fs45-48 (FeO/MnO ~30), and those of plagioclase are An87-90.

Classification: This meteorite is a eucrite.

Data from:
  MB98
  Table 2
  Line 744:
Mass (g):134.67
Class:Eucrite
Weathering grade:
Fayalite (mol%):
Ferrosilite (mol%):
Classifier:NIPR
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 ,19, (2010-03)
Published in Meteoritical Bulletin, no. 98, MAPS 45, 1530-1551 (2010)
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Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 40849 approved meteorites from Antarctica (plus 4494 unapproved names)

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