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Yamato 000593
Basic information Name: Yamato 000593
     This is an OFFICIAL meteorite name.
Abbreviation: Y-000593
Observed fall: No
Year found: 2000
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 13.71 kg
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  Martian (nakhlite)
MetBase:  v. 7.1  (2006)  Nakhlite
Recommended:  Martian (nakhlite)    [explanation]

This is 1 of 14 approved meteorites classified as Martian (nakhlite).   [show all]
Search for other: Martian meteorites
Writeuphelp
Writeup from MN J10(2):

Sample Name: Yamato 000593

Location: JARE IV Nunataks

Dimensions (cm): 29 x 22 x 16 

Weight (g): 13713

Weathering: B

Fracturing: B

Meteorite Type: Nakhlite

 

Macroscopic description

This is a subrounded nearly complete stone with one large dented surface. 60% of the stone is covered by shiny black fusion crust. Exposed interior shows medium-grained granular texture and is dark green in color.

 

Petrographic Description (Imae N.)

The section mainly consists of coarse-grained euhedral and subhedral augite (up to 1 mm x 0.5 mm) showing polysynthetic twinning. Minor amount of olivine (up to 0.5 mm) and magnetite (up to 0.1 mm) also observed. Mesostasis includes radial plagioclase crystals. Pyroxene composition is En20-40Fs22-40Wo38-40. Olivine composition is Fa62-78. Plagioclase is An26-32Ab63-650Or4-8.

Catalogs:
Search for this meteorite in the NIPR database (Japan):   
References: Published in Meteorite Newsletter 10(2) (2001), NIPR, Tokyo
Never published in the Meteoritical Bulletin
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Photos:
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Photos from the Encyclopedia of Meteorites:
NIPR / AMRC   
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
MeteoriteCollector.org - NIPR - Polar Research   
Geography:

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

Statistics:
     This is 1 of 33930 approved meteorites from Antarctica (plus 6798 unapproved names)
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