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Meteorite Hills 00424
Basic information Name: Meteorite Hills 00424
     This is an OFFICIAL meteorite name.
Abbreviation: MET 00424
Observed fall: No
Year found: 2000
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 98.9 g
NHM Catalogue:  5th Edition  (2000)  Diogenite
Antarctic Meteorite Newsletter:  AMN 24(2)  (2001)  Diogenite
Meteoritical Bulletin:  MB 86  (2002)  Diogenite
MetBase:  v. 7.1  (2006)  Diogenite
Recommended:  Diogenite    [explanation]

This is 1 of 511 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Writeup from AMN 24(2):
Sample No.: MET 00424
Location: Meteorite Hills
Field No.: 13432
Dimensions (cm):   5.0x3.5x3.5
Weight (g): 98.873
Meteorite Type: Diogenite

Macroscopic Description: Kathleen McBride
This achondrite's exterior has dull brown-black fusion crust over 90% of the surface. The fusion crust has a pearl like luster and exhibits polygonal fracturing. The interior is composed of crystalline mineral grains - white to light gray in color. Most of this material is now rust. Accessory minerals are black < 2 mm in diameter. Millimeter sized pale green and brown grains are also visible.

Thin Section (,2; ,6) Description: Tim McCoy and Linda Welzenbach
The meteorite exhibits a coarsely-brecciated structure, with clasts sizes of several mm. The individual clasts have mm-sized grains with irregular, intergrown grain boundaries. A single olivine grain was noted. Orthopyroxene is homogeneous (Fs27Wo1) and olivine is Fa29. A large (>5 mm) troilite nodule with a highly distorted polycrystalline texture is also present. The meteorite is a diogenite.

Skip TS Images MET00424
MET 00424 - Plane-Polarized Light MET 00424 - Reflected Light MET 00424 - Cross-Polarized Light MET 00424 - Cross-Polarized Light
Plane-Polarized Light Reflected Light Cross-Polarized Light Cross-Polarized Light
Data from:
  Table A1
  Line 28:
Mass (g):98.9
Weathering grade:B
Fayalite (mol%):29
Ferrosilite (mol%):27
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References: Published in Antarctic Meteorite Newsletter 24(2) (2001), JSC, Houston
Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above

     Catalogue of Meteorites:   (79° 41'S, 155° 45'E)
     Recommended::   (79° 41'S, 155° 45'E)

     This is 1 of 43856 approved meteorites from Antarctica (plus 3802 unapproved names)
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