Meteoritical Bulletin: Entry for Queen Alexandra Range 99050

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Queen Alexandra Range 99050

Basic information

Name: Queen Alexandra Range 99050
This is an OFFICIAL meteorite name.
Abbreviation: QUE 99050
Observed fall: No
Year found: 1999
Country: Antarctica [Collected by US Antarctic Search for Meteorites program (ANSMET)]
Mass: 2.1 g

Classification
history:

NHM Catalogue:	5th Edition	(2000)	Diogenite
Antarctic Meteorite Newsletter:	AMN 24(1)	(2001)	Diogenite
Meteoritical Bulletin:	MB 85	(2001)	Diogenite
MetBase:	v. 7.1	(2006)	Diogenite
Recommended:			Diogenite [explanation]

This is 1 of 522 approved meteorites classified as Diogenite. [show all]
Search for other: Achondrites, Diogenites, and HED achondrites

Comments:

Field number: 11637

Writeup

Writeup from AMN 24(1):

Sample No.:	QUE 99050
Location:	Queen Alexandra Range
Field No.:	11637
Dimensions (cm):	1.3x1.0x1.0
Weight (g):	2.115
Meteorite Type:	Diogenite

Macroscopic Description: Kathleen McBride
20% of this achondrite's exterior is covered with a thin, black fusion crust. The interior is tan with tiny black inclusions <1 mm in size. Also visible are large (1 mm sized) euhedral olivine crystals.

Thin Section (, 3) Description: Tim McCoy and Linda Welzenbach
The section shows a groundmass of essentially monominerallic, coarse (up to 1.5 mm) comminuted orthopyroxene of uniform composition (Fs₂₁Wo₂). The Fe/Mn ratio of the pyroxene is ~30. The meteorite is a diogenite.

Data from:
  MB85
  Table A1
  Line 606:

Origin or pseudonym:	Mare Meteoriticus
Mass (g):	2.1
Class:	Diog
Weathering grade:	A
Ferrosilite (mol%):	21

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(1) (2001), 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° 6' 25"E)

Note: the NHM and recommended coordinates are 90.2 km apart

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

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