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Yamato 984084
Basic information Name: Yamato 984084
     This is an OFFICIAL meteorite name.
Abbreviation: Y-984084
Observed fall: No
Year found: 1998
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 3.9 g
Classification
  history:
NIPR Newsletter:  MN 22  (2013)  R4-5, breccia
Meteoritical Bulletin:  MB 102  (2013)  R4-5
Recommended:  R4-5    [explanation]

This is 1 of 3 approved meteorites classified as R4-5.   [show all]
Search for other: Rumuruti chondrites, Rumuruti chondrites (type 4-7)
Comments: Approved 12 Dec 2013
Writeuphelp
Writeup from MN J22:

Yamato 984084 (Y 984084) 

Antarctica

Found: 1998

Classification: Rumuruti chondrite (R4-5)

Petrography and geochemistry: The PTS is composed of lithic clasts up to ~6 mm. The lithic clasts are mostly type 5 materials. There are chondrules with devitrified mesostasis, indicative of type 4. Opaque minerals are magnetite and sulfide. Olivine compositions are Fa26.7-41.3 (average: Fa39.3). This meteorite is a genomict breccia of R chondrite (R4-5).

Data from:
  MB102
  Table 0
  Line 0:
Date:1998
Mass (g):3.903
Pieces:1
Class:R4-5
Weathering grade:B
Fayalite (mol%):39.3 (26.7-41.3)
Classifier:A. Yamaguchi, S. Ozawa , and H. Kojima, NIPR; M. Kimura, Ibaraki
Type spec mass (g):3.903
Type spec location:NIPR
Main mass:NIPR
Comments:Genomict; 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 39173 approved meteorites from Antarctica (plus 5051 unapproved names)

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