Meteoritical Bulletin: Entry for Queen Alexandra Range 97990

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Queen Alexandra Range 97990

Basic information

Name: Queen Alexandra Range 97990
This is an OFFICIAL meteorite name.
Abbreviation: QUE 97990
Observed fall: No
Year found: 1997
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 67.3 g

Classification
history:

NHM Catalogue:	5th Edition	(2000)	CM2
Antarctic Meteorite Newsletter:	AMN 23(2)	(2000)	CM2
Meteoritical Bulletin:	MB 85	(2001)	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: 9204

Writeup

Writeup from AMN 23(2):

Sample No.:	QUE 97990
Location:	Queen Alexandra Range
Dimensions (cm):	5.5x3.5x3.0
Weight (g):	67.297
Meteorite Type:	CM2 Chondrite

Macroscopic Description: Kathleen McBride
Exterior of this carbonaceous chondrite has rough purplish black fusion crust on 50% of the surface. Polygonal fractures and evaporites are also visible. The interior matrix is black and contains white and rust colored chondrules up to 1 mm in size.

Thin Section (, 4) Description: Tim McCoy
The sections 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. A slight lineation, with some chondrule flattening, is present. Olivine compositions are Fa_0-61, with many Fa_0-2, orthopyroxene is Fs_0-1. The matrix consists dominantly of an Fe-rich serpentine. The meteorite is a CM2 chondrite.

Data from:
  MB85
  Table A1
  Line 561:

Origin or pseudonym:	Mare Meteoriticus
Mass (g):	67.3
Class:	CM2
Weathering grade:	BE
Fayalite (mol%):	0-61
Ferrosilite (mol%):	0-1

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 23(2) (2000), JSC, Houston
Published in Meteoritical Bulletin, no. 85, MAPS 36, A293-A322 (2001)

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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° 33' 20"S, 162° 8' 20"E)

Note: the NHM and recommended coordinates are 90 km apart

Statistics:
This is 1 of 44547 approved meteorites from Antarctica (plus 3802 unapproved names)

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Revision
history:

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