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Northwest Africa 11460 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11460 This is an OFFICIAL meteorite name. Abbreviation: NWA 11460 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: 286 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 104 approved meteorites classified as Lunar. [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 30 Oct 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11460 (NWA 11460) (Northwest Africa) Purchased: 2017 Classification: Lunar meteorite History: The meteorite was bought from a Moroccan meteorite dealer at the meteorite fair in Ensisheim, France. Physical characteristics: Several small, grayish individuals without fusion crust but adhering reddish Sahara sand. Petrography: The meteorite is a polymict breccia composed of lithic and mineral clasts consolidated in a mostly molten and recrystallized matrix. The up to 1 cm sized lithic clasts are dominantly basaltic and gabbroic, mineral clasts include up to 200 μm sized olivine, exsolved pyroxene, and feldspar grains. Accessories are Ti-chromite, ilmenite, FeNi metal, fayalite, and barite. Geochemistry: olivine: Fa31.6±9.7 (Fa17.9-55.7, n=26, FeO/MnO=66-112); low-Ca pyroxene: Fs29.2±11.7Wo4.0±1.1 (Fs14.1-50.8Wo2.8-6.5, n=14, FeO/MnO=47-65); Ca-pyroxene: Fs25.1±9.6Wo34.1±7.4 (Fs12.7-44.4Wo23.1-42.6, n=17, FeO/MnO=34-67); calcic plagioclase: An96.7±0.8 (An94.6-97.8, n=15) Classification: Lunar (feldspathic breccia) | ||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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Catalogs: |
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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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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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