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Meteorite Hills 00436
Basic information Name: Meteorite Hills 00436
     This is an OFFICIAL meteorite name.
Abbreviation: MET 00436
Observed fall: No
Year found: 2000
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1766 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 498 approved meteorites classified as Diogenite.   [show all]
Search for other: Achondrites, Diogenites, and HED achondrites
Writeup from AMN 24(2):
Sample No.: MET 00436
Location: Meteorite Hills
Field No.: 12247
Dimensions (cm):   14.0x7.5x10
Weight (g): 1765.600
Meteorite Type: Diogenite
Macroscopic Description: Kathleen McBride
50% of the exterior is covered with a patchy brown-black fusion crust with polygonal fractures. The exposed interior is tan to yellow-orange (or Dijon mustard) in color. There are several penetrating fractures. The rock seems to be rather lightweight in comparison to its size. The cream colored interior matrix has black crystalline clasts (< 1 mm) which make up the most numerous components of this meteorite. Less frequently occurring inclusions are transparent subhedral clasts and elongated, flat grains of a light brown color. This meteorite appears to be weathered and friable except on the most interior areas away from fractures.

Thin Section (,2) Description: Tim McCoy and Linda Welzenbach

MET 00436 - Plane-Polarized Light MET 00436 - Cross-Polarized Light
Plane-Polarized Light Cross-Polarized Light
The section exhibits coarse (>5 mm) individual pyroxene grains, polycrystalline fragments and comminuted groundmass grain of uniform composition of Fs26Wo1-2. The Fe/Mn ratio of the pyroxene is ~30. Small diopside grains were noted optically, as were metal, sulfide and mm-sized chromite grains. The meteorite is a diogenite.

Data from:
  Table A1
  Line 38:
Mass (g):1765.6
Weathering grade:B/C
Ferrosilite (mol%):26
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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 43352 approved meteorites from Antarctica (plus 3802 unapproved names)
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