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Queen Alexandra Range 99342
Basic information Name: Queen Alexandra Range 99342
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 99342
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.7 g
NHM Catalogue:  5th Edition  (2000)  CM2
Antarctic Meteorite Newsletter:  AMN 25(1)  (2002)  CM2
Meteoritical Bulletin:  MB 86  (2002)  CM2
MetBase:  v. 7.1  (2006)  CM2
Recommended:  CM2    [explanation]

This is 1 of 620 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: 12728
Writeup from AMN 25(1):
Sample No.: QUE 99342
Location: Queen Alexandra Range
Field No.: 12728
Dimensions (cm):   1.25x1.0x1.0
Weight (g): 1.702
Meteorite Type: CM2 Chondrite

Macroscopic Description: Kathleen McBride
75% of this carbonaceous chondrite's exterior is covered with dull purple black fusion crust. The interior is composed of black matrix with evaporites and < 1 mm light gray clasts.

Thin Section (, 2) Description: Gretchen Benedix, Linda Welzenbach, and Tim McCoy

QUE 99342 - Plane-Polarized Light QUE 99342 - Cross-Polarized Light
Plane-Polarized Light Cross-Polarized Light
The section 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. Olivine compositions are Fa0-37, with a prominent peak at Fa0-2. The matrix consists dominantly of Fe-rich serpentine. The meteorite is a CM2 chondrite.
Data from:
  Table A1
  Line 316:
Origin or pseudonym:Goodwin Nunataks Icefields
Mass (g):1.7
Weathering grade:Be
Fayalite (mol%):2-37
Comments:99342 pairing group
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References: Published in Antarctic Meteorite Newsletter 25(1) (2002), JSC, Houston
Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
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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° 36' 58"S, 161° 28' 5"E)
Note: the NHM and recommended coordinates are 99.7 km apart

     This is 1 of 43840 approved meteorites from Antarctica (plus 3802 unapproved names)
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