Meteoritical Bulletin: Entry for Meteorite Hills 00424

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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: 98.9 g

Classification
history:

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 522 approved meteorites classified as Diogenite. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Writeup

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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

MET00424

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.


Plane-Polarized Light	Reflected Light	Cross-Polarized Light	Cross-Polarized Light

Data from:
  MB86
  Table A1
  Line 28:

Mass (g):	98.9
Class:	Diog
Weathering grade:	B
Fayalite (mol%):	29
Ferrosilite (mol%):	27

Catalogs:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
Search for this meteorite in the NASA/JSC database (U.S.):

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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Photos:

Credit	Photos
Photographs from AMN:
Photograph from unknown source	A photo is in the write-up above

Geography:

Antarctica

Antarctica

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

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
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