Northwest Africa 11269
Basic information Name: Northwest Africa 11269
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 11269
Observed fall: No
Year found: 2017
Country: (Northwest Africa)
Mass:help 220 g
Recommended:  Lunar (feldsp. breccia)    [explanation]

This is 1 of 126 approved meteorites classified as Lunar (feldsp. breccia).   [show all]
Search for other: Lunar meteorites
Comments: Approved 28 Jun 2017
Writeup from MB 106:

Northwest Africa 11269 (NWA 11269)

(Northwest Africa)

Purchased: 2017 Apr

Classification: Lunar meteorite (feldspathic breccia)

History: A stone excavated from a site near Tindouf, Algeria was purchased by Ken Regelman in April 2017 from a Moroccan dealer.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of mineral clasts of anorthite, olivine, exsolved pigeonite, pigeonite, augite, Ti-chromite, ilmenite, Cr-Al-Ti-Fe spinel, kamacite and troilite in a finer grained matrix containing small vesicles.

Geochemistry: Olivine (Fa7.9-48.4, FeO/MnO = 94-98, N = 4), orthopyroxene (Fs19.2-31.3Wo2.5-4.1, FeO/MnO = 61-63, N = 2), augite (Fs7.2-17.8Wo44.3-40.7, FeO/MnO = 38-43, N = 2), plagioclase (An96.3-97.3Or0.1-0.2, N = 2).

Classification: Lunar (feldspathic regolith breccia).

Specimens: 20.05 g including one polished endcut at UWB; remainder with Mr. K. Regelman.

Data from:
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2017 Apr
Mass (g):220
Class:Lunar (feldsp. breccia)
Shock stage:low
Weathering grade:low
Fayalite (mol%):7.9-48.4
Ferrosilite (mol%):19.2-31.3
Wollastonite (mol%):2.5-4.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.05
Type spec location:UWB
Main mass:K. Regelman
Comments:Work name ARN17-10; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
ARN: Kenneth Regelman, Astronomical Research Network, 206 Bellwood Ave., Maplewood, MN 55117, United States; Website (private address)
References: Published in Meteoritical Bulletin, no. 106, in preparation (2017)