header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 18 Sep 2021
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Include past classifications in search
Limit to approved meteorite names
Search text:  
Yamato 981646
Basic information Name: Yamato 981646
     This is an OFFICIAL meteorite name.
Abbreviation: Y-981646
Observed fall: No
Year found: 1998
Country: Antarctica [Collected by National Institute of Polar Research, Japan]
Mass:help 171.1 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 981646 (Y 981646)

Antarctica

Found: 1998

Classification: HED achondrite (Eucrite)

Petrography: The section shows radiating fine-needles of pyroxene with dark glassy phases. It contains a clast of coarse-grained gabbro.

Geochemistry: Pyroxenes in dark portion are Fs25-49Wo3-14, and low-Ca pyroxene in the clast is Fs44-47. FeO/MnO values of pyroxenes are ~28.

Classification: This rock is a melt rock of eucrite.

Data from:
  MB98
  Table 2
  Line 760:
Mass (g):171.1
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)
Find references in NASA ADS:
Find references in Google Scholar:
Geography:

Antarctica
Coordinates:Unknown.

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

Direct link to this page