22265- Lunar Meteorite Paired with "NWA 11273" 0.378g (Feldspathic Regolith Breccia)
22265- Lunar Meteorite Paired with "NWA 11273" 0.378g (Feldspathic Regolith Breccia)
The authenticity of this specimen is guaranteed by the geologist Juan Avilés Poblador, member of International Meteorite Collectors Association (IMCA 5681).
| Basic information |
Name: Northwest Africa 11273 This is an OFFICIAL meteorite name. Abbreviation: NWA 11273 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass:  2.81 kg |
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| Classification history: |
This is 1 of 174 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites |
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| Comments: | Approved 13 Oct 2017 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 106:
Northwest Africa 11273 (NWA 11273) (Northwest Africa) Purchased: 2017 Apr Classification: Lunar meteorite (feldspathic breccia) History: Material excavated from a site near Tindouf, Algeria was purchased by a consortium of collectors (Rob Wesel, Eric Twelker and Jason Phillips) in April 2017 from Moroccan dealers. Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of mineral clasts of anorthite, olivine, exsolved pigeonite, pigeonite, augite, chromite, Ti-Cr-Fe spinel, kamacite, taenite and troilite in a finer grained matrix containing small vesicles and minor barite. Rare basalt clasts and glass fragments are also present. Geochemistry: Olivine (Fa8.7-59.7, FeO/MnO = 89-111, N = 4), pigeonite (Fs28.8Wo11.2, FeO/MnO = 56), clinopyroxene host (Fs15.3Wo40.9, FeO/MnO = 44), orthopyroxene exsolution lamella (Fs34.0Wo2.7, FeO/MnO = 56), augite (Fs16.8Wo41.7, FeO/MnO = 62), plagioclase (An95.9-96.5Or0.2, N = 2). Classification: Lunar (feldspathic regolith breccia). Specimens: 37 g including one polished slice at UWB; remaining pieces shared by Mr. R. Wesel, Mr. E. Twelker and Mr. J. Phillips. |
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| Data from: MB106 Table 0 Line 0: |
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| Institutions 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) Twelker: Eric Twelker, P.O. Box 844, Port Townsend, WA 98368, United States; Website (private address; updated 1 Dec 2014) |