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Northwest Africa 8664 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8664 This is an OFFICIAL meteorite name. Abbreviation: NWA 8664 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 2.93 kg | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||||
Comments: | Approved 18 Dec 2015 | ||||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8664 (NWA 8664) (Northwest Africa) Purchased: 2014 Apr Classification: Ordinary chondrite (L3) History: Purchased by Eric Twelker in April 2014 from a dealer in Erfoud, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed, very closely packed chondrules occur in a very sparse metal-bearing matrix. Geochemistry: Olivine (Fa3.9-37.1; Cr2O3 in ferroan olivine 0.04-0.17 wt.%, N = 7), orthopyroxene (Fs2.0-20.6Wo0.5-0.8, N = 3), augite (Fs4.3Wo37.7, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.86. Classification: Ordinary chondrite (L3). L designation based on magnetic susceptibility. Specimens: 23.3 g plus one polished thin section at UWB. The remainder is held by Twelker. | ||||||||||||||||||||||||||||||||
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) Twelker: Eric Twelker, P.O. Box 844, Port Townsend, WA 98368, United States; Website (private address; updated 1 Dec 2014) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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