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Yamato 791603
Basic information Name: Yamato 791603
     This is an OFFICIAL meteorite name.
Abbreviation: Y-791603
Observed fall: No
Year found: 1979
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 5.1 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  Diogenite
NIPR Catalogue:  2000 Edition  (2000)  Diogenite-B
MetBase:  v. 7.1  (2006)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 465 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Writeuphelp
Writeup from MN J9(1):

Y-791603, 52-1

The section is a cataclastic breccia of orthopyroxene, set in a dark glassy matrix (impact melt?). Most of the clasts are heavily shocked and deformed; pyroxenes show mosaic (?) texture. Pyroxenes are low-Ca (Ca2Fe31) with blebs of high-Ca (Ca45Fe12). Plagioclase compositions are An88-94. The meteorite is a diogenite similar to Y-75032.

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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 40849 approved meteorites from Antarctica (plus 4494 unapproved names)
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