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Queen Alexandra Range 94570
Basic information Name: Queen Alexandra Range 94570
     This is an OFFICIAL meteorite name.
Abbreviation: QUE 94570
Observed fall: No
Year found: 1994
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass:help 57.2 g
Antarctic Meteorite Newsletter:  AMN 19(1)  (1996)  C4
Meteoritical Bulletin:  MB 79  (1996)  C4
NHM Catalogue:  5th Edition  (2000)  C4
MetBase:  v. 7.1  (2006)  L4-an
Antarctic Meteorite Newsletter:  AMN 33(1)  (2010)  L4-anom
Recommended:  L4-an    [explanation]

This is the only approved meteorite classified as L4-an.
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Field number: 10202
Writeup from AMN 19(1):
Sample No.:QUE94570
Location:Queen Alexandra Range
Dimensions (cm):5.0 x 3.6 x 1.8
Weight (g):57.2
Meteorite Type:C4 chondrite
Macroscopic Description: Roberta Score
Thin, extremely weathered, iridescent fusion crust remains on half of this angular specimen. Black weathered material makes up the interior. Small, silver-colored blebs of sulfides are scattered across the broken face. Evaporite deposit is present.

Thin Section (,2) Description: Brian Mason
The section shows a close-packed aggregate of chondrules, up to 2.4 mm across, in a small amount of dark matrix. About 20% of the nickel-iron and troilite is present, much of it rimming the chondrules. Weathering is extensive, with veins of brown limonite throughout the section. Microprobe analyses show olivine and pyroxene of fairly uniform composition: olivine, Fa10-13, Fs9-12. This meteorite is very similar to Coolidge (Meteoritics, v. 30, p. 20, 1995), and is tentatively classified as a C4 chondrite.

Data from:
  Table 2
  Line 1675:
Origin or pseudonym:Foggy Bottom Moraine
Mass (g):57.2
Weathering grade:B/Ce
Fayalite (mol%):10-13
Ferrosilite (mol%):9-12
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References: Published in Antarctic Meteorite Newsletter 19(1) (1996), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)
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     Catalogue of Meteorites:   (84°S, 168°E)
     Recommended::   (84° 35' 36"S, 162° 22' 37"E)
Note: the NHM and recommended coordinates are 90.9 km apart

     This is 1 of 40756 approved meteorites from Antarctica (plus 4494 unapproved names)
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