Meteoritical Bulletin: Entry for Queen Alexandra Range 97289

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Queen Alexandra Range 97289

Basic information

Name: Queen Alexandra Range 97289
This is an OFFICIAL meteorite name.
Abbreviation: QUE 97289
Observed fall: No
Year found: 1997
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 51.9 g

Classification
history:

Antarctic Meteorite Newsletter:	AMN 22(2)	(1999)	Aubrite
NHM Catalogue:	5th Edition	(2000)	Aubrite
Meteoritical Bulletin:	MB 84	(2000)	Aubrite
MetBase:	v. 7.1	(2006)	Aubrite-an
Antarctic Meteorite Newsletter:	AMN 31(1)	(2008)	Aubrite-an
Recommended:			Aubrite-an [explanation]

This is 1 of 6 approved meteorites classified as Aubrite-an. [show all]
Search for other: Achondrites, Aubrites, Enstatite achondrites, and Enstatite-rich meteorites

Comments:

Field number: 11541

Writeup

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Writeup from AMN 22(2):

Sample No .:	QUE 97 289; 97 348
Location:	Queen Alexandra Range
Dimensions (cm):	4.5x3.0x2.0; 5.0x3.0x2.0
Weight (g):	51.898; 50.749
Meteorite Type:	Aubrite

QUE97289

QUE97348

Macroscopic Description: Kathleen McBride
This aubrite is extremely altered and is very rusty inside and out. It has small thin patches of fusion crust that comprise less than 5% of the surface area. It is very friable and crumbles easily. QUE97348 contains mm-sized inclusions.

Thin Section (,2) Description: Tim McCoy


QUE97289 - Cross-Polarized	QUE97289 - Reflected	QUE97348 - Cross-Polarized (2.6 mm FOV)	QUE97348 - Cross-Polarized (650µm FOV)

The section consists of mm-sized enstatite grains (Fs_0.1), reasonably abundant (10% or more?) feldspar of variable composition (An_4-35), Si-bearing metal (1.9 wt.% Si), Ti-bearing troilite, daubreelite, alabandite and schreibersite. The latter phases often occur as rounded enclaves in the enstatite. The meteorite is an unusual aubrite. It is similar in many respects to LEW 88055 (Casanova et al., 1993, LPSC XXIV, 259-260).

Data from:
  MB84
  Table A1
  Line 327:

Origin or pseudonym:	Lower SW
Mass (g):	51.9
Class:	Aub
Weathering grade:	C
Ferrosilite (mol%):	0.1
Comments:	97289 pairing group

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 22(2) (1999), JSC, Houston
Published in Meteoritical Bulletin, no. 84, MAPS 35, A199-A225 (2000)

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Photos:

Credit	Photos
Photographs from AMN:
Photograph from unknown source	A photo is in the write-up above

Geography:

Antarctica

Antarctica

Coordinates:
Catalogue of Meteorites:	(84°S, 168°E)
Recommended::	(84° 33' 11"S, 162° 29' 24"E)

Note: the NHM and recommended coordinates are 87 km apart

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

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