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Northwest Africa 11615 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11615 This is an OFFICIAL meteorite name. Abbreviation: NWA 11615 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 352 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 22 Jan 2018 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 107:
Northwest Africa 11615 (NWA 11615) Northwest Africa Purchased: 2017 Aug Classification: Ordinary chondrite (LL3) History: Purchased in Temara, Morocco by Adam Aaronson in August 2017. Petrography: (A. Irving and S. Kuehner, UWS) Closely packed, well-formed chondrules (apparent diameter 710±420 µm, N = 18) are set in a finer grained matrix containing altered kamacite. Geochemistry: Olivine (Fa0.7-41.7, Cr2O3 in ferroan examples 0.06-0.10 wt.%, mean 0.08±0.02 wt.%, N = 8), orthopyroxene (Fs2.8-21.2Wo0.2-3.0, N = 3), pigeonite (Fs17.8-21.9Wo20.9-16.2, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 3.73. Classification: Ordinary chondrite (LL3). Specimens: 32.8 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) 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 7529 approved meteorites from (Northwest Africa) (plus 1975 unapproved names) |