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Queen Alexandra Range 94200
Basic information Name: Queen Alexandra Range 94200
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 94200
Observed fall: No
Year found: 1994
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 165.4 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 18(2)  (1995)  Howardite
Meteoritical Bulletin:  MB 79  (1996)  Howardite
NHM Catalogue:  5th Edition  (2000)  Howardite
MetBase:  v. 7.1  (2006)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 398 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Field number: 10864
Writeuphelp
Writeup from AMN 18(2):
Sample No.: QUE94200
Location: Queen Alexandra Range
Dimensions (cm):   5.3 x 5.2 x 3.8
Weight (g): 165.4
Meteorite Type: Howardite
    QUE94200 sample

Macroscopic Description: Cecilia Satterwhite
The exterior of this meteorite has dull, black fusion crust that is patchy on some surfaces. Areas devoid of fusion crust have a dull gray color. Some small green, black, and white minerals are visible. The interior of this meteorite is light gray and contains abundant, mostly small inclusions; however, a few larger inclusions are present. The inclusions are white, green-black, and gray in color. The black inclusions are the largest; one rounded inclusion is 0.6 cm. Other black inclusions vary in size from 0.2 to 0.5 cm. One basaltic clast is visible. Weathering is minor.

Thin Section (,5) Description: Brian Mason
The section shows a microbreccia of pyroxene and plagioclase clasts in a comminuted groundmass of these minerals. The pyroxene is orthopyroxene with a minor amount of pigeonite; orthopyroxene clasts are up to 1.8 mm across, whereas pigeonite clasts are smaller (maximum 0.3 mm). Microprobe analyses show pyroxene compositions ranging from Wo1Fs18 to Wo11Fs43. Plagioclase compositions range from An74 to An93. Accessory amounts of an SiO2 mineral, probably tridymite, are present. The meteorite is a howardite.

Data from:
  MB79
  Table 2
  Line 1318:
Origin or pseudonym:Tail's End Icefield
Mass (g):165.4
Class:How
Weathering grade:A/B
Ferrosilite (mol%):18-43
Comments:NTL=2.3±0.4
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 18(2) (1995), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (84°S, 168°E)
     Recommended::   (84° 33' 13"S, 162° 26' 42"E)
Note: the NHM and recommended coordinates are 87.4 km apart

Statistics:
     This is 1 of 40759 approved meteorites from Antarctica (plus 4494 unapproved names)
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