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Northwest Africa 8427 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8427 This is an OFFICIAL meteorite name. Abbreviation: NWA 8427 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 969 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 643 approved meteorites (plus 1 unapproved name) classified as CO3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CM-CO clan chondrites, and CO chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 9 Mar 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8427 (NWA 8427) (Northwest Africa) Purchased: 2014 Mar Classification: Carbonaceous chondrite (CO3) History: Purchased in Temara, Morocco by Adam Aaronson in March 2014. Petrography: (A. Irving and S. Kuehner, UWS) Fairly closely-packed chondrules and sparse, very small, fine grained CAI are set in a fine grained orange matrix. Geochemistry: Olivine (Fa0.7-40.6; Cr2O3 in ferroan olivine = 0.06-0.68 wt.%, mean 0.16±0.20 wt.%, N = 10), orthopyroxene (Fs2.1-41.8Wo1.1-1.3, N = 3), subcalcic augite (Fs5.9Wo36.8), augite (Fs35.6Wo42.8). Classification: Carbonaceous chondrite (CO3). Specimens: 22 g including one polished thin section at UWB. The remaining material 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, 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. 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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
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Revision history: |
This lists important revisions made to data for this record.
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