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Northwest Africa 8666 | |||||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8666 This is an OFFICIAL meteorite name. Abbreviation: NWA 8666 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 23 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 18 Dec 2015 | ||||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 8666 (NWA 8666) (Northwest Africa) Purchased: 2014 May Classification: Ordinary chondrite (LL(L)3) History: Purchased by John Higgins in May 2014 from a dealer in Laayoune, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Well-formed chondrules occur in a finer grained, metal-bearing matrix. Geochemistry: Olivine (Fa0.8-42.3; Cr2O3 in ferroan olivine 0.08-0.15 wt.%, N = 7), orthopyroxene (Fs1.7-18.3Wo0.6-3.5, N = 3), subcalcic augite (Fs8.5-27.1Wo30.0-29.1, N = 2). Magnetic susceptibility log χ (× 10-9 m3/kg) = 4.35. Classification: Ordinary chondrite LL(L)3. Specimens: 23.5 g including one polished thin section at UWB. The remainder is held by J. Higgins. | ||||||||||||||||||||||||||||||||
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) |
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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 7655 approved meteorites from (Northwest Africa) (plus 1972 unapproved names) |