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Queen Alexandra Range 99038
Basic information Name: Queen Alexandra Range 99038
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 99038
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 52.7 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  CM2
Antarctic Meteorite Newsletter:  AMN 24(1)  (2001)  CM2
Meteoritical Bulletin:  MB 85  (2001)  CM2
MetBase:  v. 7.1  (2006)  CM2
Meteoritical Bulletin:  MB 101  (2012)  CV3
Antarctic Meteorite Newsletter:  AMN 36(1)  (2013)  CV3
Recommended:  C2-ung    [explanation]

This is 1 of 23 approved meteorites classified as C2-ung.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), and Ungrouped chondrites
Comments: Field number: 11672
Revised 3 Jun 2019: Reclassified in AMN 41(1)
Writeuphelp
Writeup from AMN 24(1):
Sample No.: QUE 99038
Location: Queen Alexandra Range
Field No.: 11672
Dimensions (cm):   5.5x3.5x1.5
Weight (g): 52.677
Meteorite Type: CM2 Chondrite
    QUE99038

Macroscopic Description: Kathleen McBride
This carbonaceous chondrite has a dark gray to blackish crust, but appears to be a melted glob of chondrules spread over the entire exterior of the rock. The surface has a vesicular-like texture. The interior is charcoal gray with numerous mm-sized chondrules and light and dark gray crystalline materials. This meteorite is moderately hard and has a sulfurous odor.

Thin Section (, 2) Description: Tim McCoy and Linda Welzenbach
QUE 99038 - Cross-Polarized Light The section consist of a few small chondrules (up to 1.5 mm), mineral grains and CAIs set in a black matrix; rare metal and sulfide grains are present. Olivine compositions are Fa1-39, with many Fa0-3. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.


Writeup from AMN 36(1):

Queen Alexandra Range 99038 (QUE 99038)

Antarctica

Found: 1999

Classification: Carbonaceous chondrite (CV3)

reclassification (announced vol. 24, no. 1): This sample was originally classified as a CM2 chondrite. However, A. Rubin (UCLA) brought to our attention several important observations suggesting this classification is incorrect. Inspection of the JSC library section (,9) reveals many large and igneous rimmed chondrules, many CAI and other inclusions, and only a small amount of matrix. The high % matrix and small chondrules typical of a CM2 chondrite are absent. We therefore re-classify this sample as a CV3 chondrite.


Writeup from AMN 41(1):
QUE 99038: reclassification

Listed by Choe et al. (2010) as C2-ungrouped.
Bibliography:
  • Choe W. H., Huber H., Rubin A.E., Kallemeyn G. W., and Wasson J. T. (2010) Compositions and taxonomy of 15 unusual carbonaceous chondrites. Meteorit. Planet. Sci. 45, 531-554 (link)
Data from:
  MB85
  Table A1
  Line 595:
Origin or pseudonym:Tail's End Icefield
Mass (g):52.7
Class:CM2
Weathering grade:A/B
Fayalite (mol%):1-39
Catalogs:
Search for specimens in the Smithsonian Institution collection (U.S.):   
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Search for this meteorite in the NASA/JSC database (U.S.):   
References: Published in Antarctic Meteorite Newsletter 24(1) (2001), JSC, Houston
Published in Antarctic Meteorite Newsletter 36(1) (2013), JSC, Houston
Published in Antarctic Meteorite Newsletter 41(1) (2018), JSC, Houston
Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)
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Photos:
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Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (84°S, 168°E)
     Recommended::   (84° 32' 2"S, 162° 35' 24"E)
Note: the NHM and recommended coordinates are 84.8 km apart

Statistics:
     This is 1 of 40719 approved meteorites from Antarctica (plus 4494 unapproved names)
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