Meteoritical Bulletin: Entry for Queen Alexandra Range 93005

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Queen Alexandra Range 93005

Basic information

Name: Queen Alexandra Range 93005
This is an OFFICIAL meteorite name.
Abbreviation: QUE 93005
Observed fall: No
Year found: 1993
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 13.4 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 17(3)	(1994)	C2
Meteoritical Bulletin:	MB 79	(1996)	C2
NHM Catalogue:	5th Edition	(2000)	C2
MetBase:	v. 7.1	(2006)	CM2
Antarctic Meteorite Newsletter:	AMN 31(1)	(2008)	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: 8164

Writeup

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Writeup from AMN 17(3):

Sample No.: QUE93005
Location: Queen Alexandra Range
Dimensions (cm): 3.5 x 1.7 x 1.9
Weight (g): 13.4
Meteorite Type: C2 chondrite

Macroscopic Description: Robbie Marlow
QUE93005 has dull black fusion crust covering 90% of its exterior. Flow marks are present on all surfaces. Cleaving this specimen revealed a fine-grained, grayish-black interior. Evaporite deposit is present immediately underneath the fusion crust.

Thin Section (,2) Description: Brian Mason
The section shows a few chondrules, up to 0.7 mm across, and numerous small mineral grains in a dark brown to black matrix. Some chondrules consist of granular or porphyritic olivine, but most have been converted to brown serpentine. Fusion crust is present along one edge. Olivine is near Mg2SiO4 in composition, with a few more iron-rich grains. Many of the small mineral grains consist of calcite or ferroan dolomite. The matrix appears to consist largely of iron-rich serpentine. The meteorite is a C2 chondrite.

Data from:
  MB79
  Table 2
  Line 571:

Origin or pseudonym:	Central Nunataks Icefield
Mass (g):	13.4
Class:	C2
Weathering grade:	A/Be
Fayalite (mol%):	1-20
Comments:	93005 pairing group

Catalogs:

Search for specimens in the Smithsonian Institution collection (U.S.):	Require SI photo
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References:

Published in Antarctic Meteorite Newsletter 17(3) (1994), JSC, Houston
Published in Meteoritical Bulletin, no. 79, MAPS 31, A161-A174 (1996)

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Geography:

Antarctica

Antarctica

Coordinates:
Catalogue of Meteorites:	(84°S, 168°E)
Recommended::	(84° 37' 23"S, 162° 1' 16"E)

Note: the NHM and MetBase coordinates are 95.9 km apart

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

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