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Queen Alexandra Range 94639
Basic information Name: Queen Alexandra Range 94639
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 94639
Observed fall: No
Year found: 1994
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 0.64 g
Classification
  history:
Antarctic Meteorite Newsletter:  AMN 19(2)  (1996)  Mesosiderite
Meteoritical Bulletin:  MB 82  (1998)  Mesosiderite
NHM Catalogue:  5th Edition  (2000)  Mesosiderite
MetBase:  v. 7.1  (2006)  Mesosiderite
Recommended:  Mesosiderite    [explanation]

This is 1 of 205 approved meteorites classified as Mesosiderite.   [show all]
Search for other: Mesosiderites, Metal-rich meteorites
Comments: Field number: 5918
Revised 28 Oct 2019: Corrected mass, per JSC
Writeuphelp
Writeup from AMN 19(2):
Sample No.: QUE94639
Location: Queen Alexandra Range
Dimensions (cm): 1.1 x 1.0 x 0.2
Weight (g): 0.6
Meteorite Type: Mesosiderite

Macroscopic Description: Carol Schwarz

The exterior surface of this small flat fragment is dark brown with a few mm-sized yellow and green mineral grains visible. Some evaporite is also present. The interior is dark brown, mostly metal, with yellow and brown crystals scattered throughout.

Thin Section (,2) Description: Brian Mason

This section shows plagioclase and pyroxene clasts, up to 1.2 mm across, in an opaque matrix of nickel-iron and troilite (the nickel-iron extensively weathered to limonite). Most of the pyroxene is hypersthene, with composition near Wo3Fs28, but one grain of augite, Wo40Fs27, was analyzed. Plagioclase composition is An91-96. One grain of tridymite was analyzed. The meteorite is a mesosiderite, and can be confidently paired with QUE86900.

Data from:
  MB82
  Table A1
  Line 350:
Origin or pseudonym:Footrot Flats
Mass (g):0.6
Class:Meso
Weathering grade:B/Ce
Ferrosilite (mol%):28-48
Comments:86900 pairing group
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 19(2) (1996), JSC, Houston
Published in Meteoritical Bulletin, no. 82, MAPS 33, A221-A240 (1998)
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Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (84°S, 168°E)
     Recommended::   (84° 34' 32"S, 162° 34' 5"E)
Note: the NHM and recommended coordinates are 88.1 km apart

Statistics:
     This is 1 of 40744 approved meteorites from Antarctica (plus 4494 unapproved names)
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