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Queen Alexandra Range 97430
Basic information Name: Queen Alexandra Range 97430
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 97430
Observed fall: No
Year found: 1997
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 69.7 g
NHM Catalogue:  5th Edition  (2000)  Eucrite-br
Antarctic Meteorite Newsletter:  AMN 23(1)  (2000)  Eucrite-br
Meteoritical Bulletin:  MB 84  (2000)  Eucrite-br
MetBase:  v. 7.1  (2006)  Eucrite
Recommended:  Eucrite-br    [explanation]

This is 1 of 179 approved meteorites classified as Eucrite-br.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Field number: 11198
Writeup from AMN 23(1):
Sample No.: QUE 97430
Location: Queen Alexandra Range
Dimensions (cm):   4.6x4.5x3.3
Weight (g): 69.711
Meteorite Type: Eucrite (Brecciated)

Macroscopic Description: Cecilia Satterwhite
The exterior of this achondrite has about 20% of black fusion crust, frothy on some surfaces, and some fractures are visible. The rest of the exterior is dark gray with abundant white inclusions.  The interior is a lighter gray with abundant white clasts.  Some darker minerals are visible and minor weathering.  Some clasts are as large as 1.5 cm across.

Thin Section (, 6) Description: Tim McCoy
QUE 97430 - Cross-Polarized Light The section consists of coarse (up to 2.2 mm) pyroxene and plagioclase grains and coarse-grained basalt clasts, which reach 2.5 mm in diameter.  Orthopyroxene (Fs60Wo2-5) contains lamellae of augite (Fs28Wo44) and plagioclase is An88Or0.6.  Shock effects include mosaicism and planar fractures in pyroxene.  The Fe/Mn ratio of the pyroxene is ~30.  The meteorite is a brecciated eucrite.

Data from:
  Table A1
  Line 465:
Origin or pseudonym:Mare Meteoriticus
Mass (g):69.7
Class:Eu "Br"
Weathering grade:B
Ferrosilite (mol%):60
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References: Published in Antarctic Meteorite Newsletter 23(1) (2000), JSC, Houston
Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000)
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above

     Catalogue of Meteorites:   (84°S, 168°E)
     Recommended::   (84° 34' 7"S, 162° 19' 12"E)
Note: the NHM and recommended coordinates are 89.5 km apart

     This is 1 of 40129 approved meteorites from Antarctica (plus 4494 unapproved names)
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