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Northwest Africa 11479 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11479 This is an OFFICIAL meteorite name. Abbreviation: NWA 11479 Observed fall: No Year found: 2017 Country: Morocco Mass: 504 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 336 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 21 Nov 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11479 (NWA 11479) Morocco Purchased: September 2017 Classification: Lunar meteorite (feldspathic breccia) History: Purchased by Ke Zuokai in Sept. 2017 from a Moroccan dealer. Physical characteristics: The meteorite has no fusion crust with an irregular shape. Small white clasts are visible. Petrography: Lithic clasts and mineral fragments (10 to 500 μm) are set in a fine-grained anorthositic matrix. Mineral fragments are dominated by anorthite and pyroxene grains with minor olivine. Some pyroxene grains exhibit exsolved lamella structures. Maskelynite is present. Other accessory minerals include taenite, chromite, ilmenite and troilite. Geochemistry: Plagioclase An94.1-97.9Or0.0-0.7, (average: An96.9±1.1Or0.2±0.2, n=13); Olivine Fa17.8-44.9, Fe/Mn (cation ratio) = 77.7 - 124.7, (average = 99.2±15.3, n=13 ); pigeonite Fs29.8-59.4En35.0-52.5Wo5.6-21.5, Fe/Mn (cation ratio) =57.4-74.4 (average=64.7±5.7, n=8); augite Fs7.4-27.6En29.1-49.1Wo38.4-43.5, Fe/Mn (cation ratio) =37.3-75.1 (average=58.4±12.1, n=10); minor orthopyroxene Fs36.3En61.0Wo2.7, Fe/Mn (cation ratio)=54.7, n=1 Classification: Lunar feldspathic breccia based on texture and composition. | ||||||||||||||||||||||||||||||
Data from: MB106 Table 0 Line 0: |
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Institutions and collections |
PMO: Purple Mountain Observatory, Nanjing, China (institutional address; updated 16 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 2082 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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