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Queen Alexandra Range 99309
Basic information Name: Queen Alexandra Range 99309
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 99309
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 1.75 g
Classification
  history:
NHM Catalogue:  5th Edition  (2000)  Chondrite-ung
Antarctic Meteorite Newsletter:  AMN 24(2)  (2001)  Chondrite-ung
Meteoritical Bulletin:  MB 86  (2002)  Chondrite-ung
MetBase:  v. 7.1  (2006)  CBb
Antarctic Meteorite Newsletter:  AMN 31(1)  (2008)  CBb
Recommended:  CBb    [explanation]

This is 1 of 5 approved meteorites classified as CBb.   [show all]
Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CB chondrites, CH-CB family, and Metal-rich meteorites
Comments: Field number: 12177
Writeuphelp
Writeup from AMN 24(2):
Sample No.: QUE 99309
Location: Queen Alexandra Range
Field No.: 12177
Dimensions (cm):   1.0x0.75x0.5
Weight (g): 1.747
Meteorite Type: Chondrite Ungrouped
   

Macroscopic Description: Kathleen McBride
100% of the exterior is covered with brown/black fusion crust. The interior is rusty brown and moderately hard.

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

QUE 99309 - Reflected Light QUE 99309 - Reflected Light
Reflected Light Reflected Light
The section consists of 70-80% round, elongate and irregular metal particles typically 100-200 microns in diameter but reaching 1 mm. These particles are separated by terrestrial hydrated iron oxides. Chondrules occupy 20-30% of the rock and occur in similar shapes and sizes as metal. They are fine-grained and dominated by barred, microporphyritic and cryptocrystalline texture. Silicates are iron-poor (Fa3-4, Fs1). The meteorite is similar in many respects to QUE 94411 and may be paired, although it was recovered more than 5 km from QUE 94411.

Data from:
  MB86
  Table A1
  Line 273:
Origin or pseudonym:Scoraine Moraine
Mass (g):1.75
Class:Ch ung
Weathering grade:C
Fayalite (mol%):3-4
Ferrosilite (mol%):1
Comments:94411 pairing group
Catalogs:
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References: Published in Antarctic Meteorite Newsletter 24(2) (2001), JSC, Houston
Published in Meteoritical Bulletin, no. 86, MAPS 37, A157-A184 (2002)
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Photos:
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Photographs from AMN:
Photograph from unknown source A photo is in the write-up above
Geography:

Antarctica
Coordinates:
     Catalogue of Meteorites:   (84°S, 168°E)
     Recommended::   (84° 34' 45"S, 162° 37' 16"E)
Note: the NHM and recommended coordinates are 88 km apart

Statistics:
     This is 1 of 39173 approved meteorites from Antarctica (plus 5051 unapproved names)
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