Meteoritical Bulletin: Entry for Northwest Africa 11326

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Northwest Africa 11326

Basic information

Name: Northwest Africa 11326
This is an OFFICIAL meteorite name.
Abbreviation: NWA 11326
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass: 49.9 g

Classification
history:

Meteoritical Bulletin:	MB 106	(2018)	L3
Recommended:			L3 [explanation]

This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all]
Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)

Comments:

Approved 15 Jun 2017

Writeup

Writeup from MB 106:

Northwest Africa 11326 (NWA 11326)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (L3)

History: Purchased by an anonymous collector from a dealer at the Munich Show in 2005, subsequently acquired by the Hollis Collection and donated to PSF.

Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely packed chondrules (apparent diameter 500±400 μm, N = 12) occur within a reddish-brown matrix.

Geochemistry: Olivine (Fa_2.2-46.8, Cr₂O₃ in ferroan examples 0.04-0.13 wt.%, mean 0.07±0.03 wt.%. N = 8), orthopyroxene (Fs_1.7-40.3Wo_0.1-3.1, N = 3), pigeonite (Fs_17.4Wo_21.8), augite (Fs_9.7Wo_35.4). Magnetic susceptibility log χ (× 10^-9 m³/kg) = 4.72.

Classification: Ordinary chondrite (L3).

Specimens: The entire specimen including one polished thin section is at PSF.

Data from:
  MB106
  Table 0
  Line 0:

Place of purchase:	Munich
Date:	P 2005
Mass (g):	49.9
Pieces:	1
Class:	L3
Shock stage:	S2
Weathering grade:	W2
Fayalite (mol%):	2.2-46.8
Ferrosilite (mol%):	1.7-40.3
Wollastonite (mol%):	0.4-3.1
Magnetic suscept.:	4.72
Classifier:	A. Irving and S. Kuehner, UWS
Type spec mass (g):	49.9
Type spec location:	PSF
Main mass:	PSF
Comments:	Work name CHC 17002; submitted by A. Irving

Institutions
and collections

PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)

Catalogs:

References:

Published in Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.

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Photos:

Credit	Photos
Public domain photographs:
A. Irving

Geography:

Coordinates:

Unknown.

Statistics:
This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names)

Also see:

This lists the most popular meteorites among people who looked up this meteorite.

Revision
history:

This lists important revisions made to data for this record.

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