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Meteorite Hills 96500
Basic information Name: Meteorite Hills 96500
     This is an OFFICIAL meteorite name.
Abbreviation: MET 96500
Observed fall: No
Year found: 1996
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 593 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 21(1)  (1998)  Howardite
Meteoritical Bulletin:  MB 82  (1998)  Howardite
NHM Catalogue:  5th Edition  (2000)  Howardite
MetBase:  v. 7.1  (2006)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 381 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Writeuphelp
Writeup from AMN 21(1):

Sample No.:

MET96500

Location:

Meteorite Hills

Dimensions (cm):

11.0x8.0x6.0

Weight (g):

592.9

Meteorite Type:

Howardite


Macroscopic Description: Kathleen McBride
The dull fusion crust on this achondrite is dark brown and thin and covers approximately 25% of the exterior. The exposed interior has weathered to a cement gray-yellow-orange color. It is pitted and friable. The fresh interior surface is off white to yellow and fine grained, with a sugary/crystalline texture. There are numerous inclusions of various sizes - rounded/subrounded to angular clasts and grains. Some metal and rusting is visible.

Thin Section (,6) Description: Brian Mason
MET96500 - Cross-Polarized LightThe section shows a groundmass of comminuted pyroxene and plagioclase (grains up to 0.2 mm) with a few larger plagioclase clasts (up to 2 mm). Microprobe analyses show that most of the pyroxene is hypersthene (Wo1-4, Fs20-30); one grain of augite, Wo41Fs20, was analyzed, and several grains of intermediate composition. Plagioclase composition is An89-92. One grain of a SiO2 polymorph was analyzed. The meteorite is classified as a howardite.

Data from:
  MB82
  Table A1
  Line 299:
Mass (g):592.9
Class:How
Weathering grade:B
Ferrosilite (mol%):20-30
Catalogs:
Search for specimens in the Smithsonian Institution collection (U.S.):   
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Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 21(1) (1998), JSC, Houston
Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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Photos:
CreditPhotos
Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (79° 41'S, 155° 45'E)
     Recommended::   (79° 41'S, 159° 45'E)
Note: the NHM and MetBase coordinates are 80 km apart

Statistics:
     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)
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