Meteoritical Bulletin: Entry for Queen Alexandra Range 99113

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Queen Alexandra Range 99113

Basic information

Name: Queen Alexandra Range 99113
This is an OFFICIAL meteorite name.
Abbreviation: QUE 99113
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 0.58 g

Classification
history:

NHM Catalogue:	5th Edition	(2000)	CM2
Antarctic Meteorite Newsletter:	AMN 24(2)	(2001)	CM2
Meteoritical Bulletin:	MB 86	(2002)	CM2
MetBase:	v. 7.1	(2006)	CM2
Recommended:			CM2 [explanation]

This is 1 of 636 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: 12111
Revised 28 Oct 2019: Corrected mass, per JSC

Writeup

Writeup from AMN 24(2):

Sample No.:	QUE 99113
Location:	Queen Alexandra Range
Field No.:	12111
Dimensions (cm):	1.5x1.0x0.5
Weight (g):	0.576
Meteorite Type:	CM2 Chondrite

Macroscopic Description: Kathleen McBride
Dull, black fusion crust covers 20% of the exterior of this carbonaceous chondrite. The interior is a dark gray to black matrix with millimeter sized white and light gray inclusions.

Thin Section (,3) Description: Tim McCoy and Linda Welzenbach
The section measures 8x5 mm. Vesicular fusion crust comprises ~80% of the section. Unaltered material is relatively rare. A few large chondrules are present at one end, although no unaltered matrix may remain. Olivine compositions are Fa_3-13, with most less than Fa₄, and orthopyroxene is Fs_2-13. The meteorite is a CM2 chondrite. It is possible that it is spalled off of a larger mass in flight, explaining the abundance of fusion crust.

Data from:
  MB86
  Table A1
  Line 79:

Origin or pseudonym:	Goodwin Nunataks Icefields
Mass (g):	0.58
Class:	CM2
Weathering grade:	A
Fayalite (mol%):	2-13
Ferrosilite (mol%):	2-12

Catalogs:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
Search for this meteorite in the NASA/JSC database (U.S.):

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:

Credit	Photos
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° 37' 12"S, 161° 26' 6"E)

Note: the NHM and recommended coordinates are 100.3 km apart

Statistics:
This is 1 of 44543 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
history:

This lists important revisions made to data for this record.

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