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Northwest Africa 10544
Basic information Name: Northwest Africa 10544
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10544
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 84.2 g
Meteoritical Bulletin:  MB 105  (2016)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 91 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 27 Feb 2016
Writeup from MB 105:

Northwest Africa 10544 (NWA 10544)

(Northwest Africa)

Purchased: 2015 Oct

Classification: Primitive achondrite (Lodranite)

History: Purportedly found in Mauritania and purchased by Darryl Pitt in October 2015 from a dealer in Guelmim, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate (grainsize up to 2.6 mm) of orthopyroxene, olivine and clinopyroxene with accessory oligoclase, kamacite, troilite, chromite, chlorapatite and minor secondary barite. Kamacite has been extensively altered to orange goethite, which also occurs along grain boundaries.

Geochemistry: Olivine (Fa15.0-15.2, FeO/MnO = 27, N = 3), orthopyroxene (Fs13.1-13.4Wo2.3-2.6, FeO/MnO = 16, N = 3), clinopyroxene (Fs5.2-5.8Wo44.7-42.4, FeO/MnO = 11-12, N = 2), plagioclase (An17.0-19.5Or5.2-3.8, N = 2).

Classification: Lodranite.

Specimens: 16.9 g including one polished thin section at UWB; remainder with DPitt.

Data from:
  Table 0
  Line 0:
Place of purchase:Guelmim
Date:P 2015 Oct
Mass (g):84.2
Shock stage:low
Weathering grade:high
Fayalite (mol%):15.0-15.2
Ferrosilite (mol%):13.1-13.4; 5.2-5.8
Wollastonite (mol%):2.3-2.6; 44.7-42.4
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):16.9
Type spec location:UWB
Main mass:D. Pitt
Comments:MCVICH 007; submitted by A. Irving
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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     This is 1 of 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names)

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