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Northwest Africa 11452
Basic information Name: Northwest Africa 11452
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11452
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 751 g
Meteoritical Bulletin:  MB 106  (2018)  LL4-6
Recommended:  LL4-6    [explanation]

This is 1 of 78 approved meteorites classified as LL4-6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 26 Sep 2017
Writeup from MB 106:

Northwest Africa 11452 (NWA 11452)

(Northwest Africa)

Purchased: 2017 Apr

Classification: Ordinary chondrite (LL4-6)

History: Purchased by Fabien Kuntz in April 2017 from a dealer in Erfoud, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Equilibrated breccia consisting predominantly of closely packed type 6 chondrite clasts containing rare chondrule remnants plus sparse well-formed chondrules set in a clastic matrix.

Geochemistry: Olivine (predominantly Fa30.3-31.3, N = 3; one Fa20.3 core was found), orthopyroxene (Fs24.7Wo1.6; Fs14.6Wo0.5; N = 2), clinopyroxene (Fs10.1-10.4Wo43.7-44.3, N = 2).

Classification: Ordinary chondrite (LL4-6 breccia).

Specimens: 21.53 g including one polished thin section at PSF; remainder with Kuntz.

Data from:
  Table 0
  Line 0:
Place of purchase:Erfoud
Date:P 2017 Apr
Mass (g):750.7
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):30.3-31.3
Ferrosilite (mol%):14.6-24.7
Wollastonite (mol%):0.5-1.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):21.53
Type spec location:PSF
Main mass:Kuntz
Comments:Work name K363; 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)
Kuntz: Fabien Kuntz, France; Website (private address)
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 8674 approved meteorites from (Northwest Africa) (plus 1882 unapproved names)

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