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Northwest Africa 11323
Basic information Name: Northwest Africa 11323
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11323
Observed fall: No
Year found: 2005
Country: (Northwest Africa)
Mass:help 69.5 g
Meteoritical Bulletin:  MB 106  (2018)  L4/5
Recommended:  L4/5    [explanation]

This is 1 of 79 approved meteorites (plus 1 unapproved name) classified as L4/5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 15 Jun 2017
Writeup from MB 106:

Northwest Africa 11323 (NWA 11323)

(Northwest Africa)

Purchased: 2005

Classification: Ordinary chondrite (L4/5)

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) Some well-formed chondrules occur in a recrystallized matrix.

Geochemistry: Olivine (Fa24.9-25.5, N = 3), orthopyroxene (Fs20.5-21.4Wo1.9-1.4, N = 2), clinopyroxene (Fs6.6-8.1Wo45.7-43.7, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.61.

Classification: Ordinary chondrite (L4/5).

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

Data from:
  Table 0
  Line 0:
Place of purchase:Munich
Date:P 2005
Mass (g):69.45
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):24.9-25.5
Ferrosilite (mol%):20.5-21.4
Wollastonite (mol%):1.9-1.4
Magnetic suscept.:4.61
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):69.45
Type spec location:PSF
Main mass:PSF
Comments:Work name CHC 17001; submitted by A. Irving
   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)
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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     This is 1 of 7885 approved meteorites from (Northwest Africa) (plus 1958 unapproved names)

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