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Queen Alexandra Range 97990
Basic information Name: Queen Alexandra Range 97990
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 97990
Observed fall: No
Year found: 1997
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 67.3 g
NHM Catalogue:  5th Edition  (2000)  CM2
Antarctic Meteorite Newsletter:  AMN 23(2)  (2000)  CM2
Meteoritical Bulletin:  MB 85  (2001)  CM2
MetBase:  v. 7.1  (2006)  CM2
Recommended:  CM2    [explanation]

This is 1 of 602 approved meteorites classified as CM2.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites
Comments: Field number: 9204
Writeup from AMN 23(2):
Sample No.: QUE 97990
Location: Queen Alexandra Range
Dimensions (cm): 5.5x3.5x3.0
Weight (g): 67.297
Meteorite Type: CM2 Chondrite

Macroscopic Description: Kathleen McBride
Exterior of this carbonaceous chondrite has rough purplish black fusion crust on 50% of the surface. Polygonal fractures and evaporites are also visible. The interior matrix is black and contains white and rust colored chondrules up to 1 mm in size.

Thin Section (, 4) Description: Tim McCoy
QUE 97990 - Cross-Polarized Light The sections consist of a few small chondrules (up to 1 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. A slight lineation, with some chondrule flattening, is present. Olivine compositions are Fa0-61, with many Fa0-2, orthopyroxene is Fs0-1. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.

Data from:
  Table A1
  Line 561:
Origin or pseudonym:Mare Meteoriticus
Mass (g):67.3
Weathering grade:BE
Fayalite (mol%):0-61
Ferrosilite (mol%):0-1
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References: Published in Antarctic Meteorite Newsletter 23(2) (2000), JSC, Houston
Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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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° 33' 20"S, 162° 8' 20"E)
Note: the NHM and recommended coordinates are 90 km apart

     This is 1 of 41899 approved meteorites from Antarctica (plus 3802 unapproved names)
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