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Northwest Africa 11611 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11611 This is an OFFICIAL meteorite name. Abbreviation: NWA 11611 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: 232 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 24 approved meteorites classified as LL(L)3. [show all] Search for other: LL chondrites, LL chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 20 Feb 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11611 (NWA 11611) (Northwest Africa) Purchased: 2017 Aug Classification: Ordinary chondrite (LL(L)3) History: Purchased in Temara, Morocco, by Aaronson in August 2017. Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely-packed, well-formed chondrules (apparent diameter 580±310 µm, N = 18) are set in a finer-grained matrix containing altered kamacite and chlorapatite. Geochemistry: Olivine (Fa0.8-56.1, Cr2O3 in ferroan examples 0.05-0.10 wt.%, mean 0.08±0.02 wt.%, N = 8), orthopyroxene (Fs0.7-16.0Wo0.7-0.1, N = 3), clinopyroxene (Fs11.8Wo37.3; Fs8.7Wo45.2; N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.20. Classification: Ordinary chondrite (LL(L)3). Specimens: 22 g including one polished thin section at UWB; main mass with Aaronson. | ||||||||||||||||||||||||||||||
Data from: MB107 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) 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 Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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