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Northwest Africa 8423 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8423 This is an OFFICIAL meteorite name. Abbreviation: NWA 8423 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 31 approved meteorites classified as L/LL3. [show all] Search for other: L chondrites, L/LL chondrites, L/LL chondrites (type 3), LL chondrites, Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||
Comments: | Approved 31 Dec 2015 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 8423 (NWA 8423) (Northwest Africa) Purchased: 2014 Mar Classification: Ordinary chondrite (L/LL3) History: Purchased in Temara, Morocco by Adam Aaronson in March 2014. Petrography: (A. Irving and S. Kuehner, UWS) Medium-sized (1.4±0.8 mm), very closely packed, well-formed ellipsoidal chondrules are set in a fine grained matrix containing altered metal. Geochemistry: Olivine, Fa15.0-43.5; Cr2O3 in ferroan olivine = 0.12-0.29 wt.%, mean 0.19±0.06 wt.%, N = 7; orthopyroxene, Fs2.3-16.4Wo0.3-0.4, N = 3; subcalcic augite, Fs9.0-31.1Wo28.5-35.2. Classification: Ordinary chondrite (L/LL3). Specimens: 21.9 g including one polished thin section at UWB. The remainder is held by Aaronson. | ||||||||||||||||||||||||||||||||
Data from: MB104 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography: |
Statistics: This is 1 of 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names) |