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Northwest Africa 11492 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11492 This is an OFFICIAL meteorite name. Abbreviation: NWA 11492 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: 172 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 2062 approved meteorites (plus 5 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 30 Oct 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11492 (NWA 11492) (Northwest Africa) Purchased: 2017 Apr Classification: Ordinary chondrite (L4) History: Purchased by Adam Aaronson in Temara, Morocco in April 2017. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well-formed, closely packed chondrules occur in a finer grained matrix containing altered metal. Geochemistry: Olivine (Fa21.9-24.5, Cr2O3 < 0.02 wt.%, N = 6), orthopyroxene (Fs19.9-20.1Wo1.0-1.5, N = 2), pigeonite (Fs16.9Wo15.8), subcalcic augite (Fs12.7Wo31.2), augite (Fs12.8Wo38.3). Classification: Ordinary chondrite (L4). Specimens: 20.6 g including one polished thin section at UWB; remainder with Aaronson. | ||||||||||||||||||||||||||||||
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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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