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Northwest Africa 11072 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11072 This is an OFFICIAL meteorite name. Abbreviation: NWA 11072 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 138.5 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 487 approved meteorites classified as LL3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 20 Jan 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11072 (NWA 11072) (Northwest Africa) Purchased: 2016 Nov Classification: Ordinary chondrite (LL3) History: Purportedly found near Adrar, Algeria, in October 2016, and purchased by Darryl Pitt in November 2016 from a dealer in Mauritania. Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely packed, well-formed chondrules (apparent diameter 400±300 µm) are set in a fine grained matrix containing altered metal. Geochemistry: Olivine (Fa2.8-60.1, Cr2O3 in ferroan examples 0.04-0.12 wt.%, mean 0.11±0.05 wt.%, N = 7), orthopyroxene (Fs2.5-11.2Wo0.4-1.5, N = 3), subcalcic augite (Fs2.1Wo30.3), diopside (Fs2.8Wo39.1). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.06. Classification: Ordinary chondrite (LL3). Specimens: 20.4 g including one polished thin section at UWB; remainder with DPitt. | ||||||||||||||||||||||||||||||
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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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