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Yamato 000137
Basic information Name: Yamato 000137
     This is an OFFICIAL meteorite name.
Abbreviation: Y-000137
Observed fall: No
Year found: 2000
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 23.6 g
Classification
  history:
NIPR Newsletter:  MN 22  (2013)  Mesosiderite
Meteoritical Bulletin:  MB 102  (2013)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 270 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Approved 12 Dec 2013
Writeuphelp
Writeup from MN J22:

Yamato 000137 (Y 000137)   

Antarctica

Found: 2000

Classification: Mesosiderite

Petrography and geochemistry: The PTS consists of ~80% silicate and ~30% FeNi metal. The silicate portion is composed of pyroxene fragments (up to ~0.3-2 mm) set in a recrystallized matrix of pyroxene and plagioclase. This rock is slightly shocked; pyroxene shows weak mottled extinction. Compositions of pyroxene range from Fs32.5-38.7 (average Fs34.9), and plagioclase from An87.6-89.3 (average = An88.9). This meteorite is a mesosiderite.

Data from:
  MB102
  Table 0
  Line 0:
Date:2000
Mass (g):23.59
Pieces:1
Class:Mesosiderite
Weathering grade:B
Ferrosilite (mol%):34.9 (32.5-38.7)
Classifier:A. Yamaguchi, S. Ozawa , and H. Kojima, NIPR; M. Kimura, Ibaraki
Type spec mass (g):23.59
Type spec location:NIPR
Main mass:NIPR
Comments:Submitted by A. Yamaguchi
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)
Ibaraki: Department of Materials and Biological Sciences, Institute of Astrophysics and Planetary Science, Ibaraki University, 2-1-1 Bunkyo, Mito 310-8512, Japan (institutional address; updated 27 Feb 2011)
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 ,22,1-32 (2013-11)
Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography:

Antarctica
Coordinates:Unknown.

Statistics:
     This is 1 of 44400 approved meteorites from Antarctica (plus 3802 unapproved names)
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Revision
  history:
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