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Elephant Moraine 96004
Basic information Name: Elephant Moraine 96004
     This is an OFFICIAL meteorite name.
Abbreviation: EET 96004
Observed fall: No
Year found: 1996
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 13.4 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 372 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Writeuphelp
Writeup from AMN 21(1):

Sample No

.:

EET96003; EET96004

Location:

Elephant Moraine

Dimensions (cm):

3.5x2.0x1.5; 3.0x2.0x1.5

Weight (g):

15.64; 13.35

Meteorite Type:

Howardite

EET96003-004 Thumbnail

Macroscopic Description: Kathleen McBride
These achondrites are covered with a black patchy fusion crust with a shiny luster and some glassy appearing areas. Fusion crust covers 50% of the exterior surfaces. The interior is a dull, powdery gray matrix with numerous tan and white angular to sub-angular inclusions, mm size in diameter.

Thin Section (EET96003,4; 96004,4)Description: Brian Mason
The sections are so similar that a single description will suffice; the meteorites are probably paired. The sections show a groundmass of comminuted pyroxene and plagioclase (average grain size 0.1 mm), with a few larger clasts (up to 2 mm) of these minerals. Section 96003,4 has a coarse-grained gabbroic clast 6 mm across. Microprobe analyses show that most of the pyroxene is hypersthene (Wo1-5, Fs31-45); one grain of augite, Wo38Fs21, was analyzed, and a few grains of intermediate composition. Plagioclase composition is An82-95. The meteorites are howardites.

EET96003 - Cross-Polarized Light EET96004 - Cross-Polarized Light
EET96003 EET96004

Data from:
  MB82
  Table A1
  Line 34:
Origin or pseudonym:Meteorite City
Mass (g):13.4
Class:How
Weathering grade:A
Ferrosilite (mol%):29-38
Comments:96003 pairing group
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
Photos from the Encyclopedia of Meteorites:
Dr Carlton Allen, JSC-KT, NASA   
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (76° 11'S, 157° 10'E)
     Recommended::   (76° 11'S, 157° 10'E)

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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