Northwest Africa 10700 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10700 This is an OFFICIAL meteorite name. Abbreviation: NWA 10700 Observed fall: No Year found: 2015 Country: (Northwest Africa) | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 50 approved meteorites classified as LL4-6. [show all] Search for other: LL chondrites (type 4-7), Ordinary chondrites (type 4-7), LL chondrites, and Ordinary chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 7 Jul 2016 | ||||||||||||||||||||||||||||||
Writeup![]() | Writeup from MB 105: Northwest Africa 10700 (NWA 10700) (Northwest Africa) Purchased: 2015 Aug Classification: Ordinary chondrite (LL4-6) History: Purchased by John Higgins in August 2015 from a dealer in Laayoune, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular to rounded clasts in a relatively coarse grained matrix. Some clasts have well-formed chondrules (type 4), whereas other clasts are progressively more recrystallized with sparse to rare chondrules (types 5 and 6). Geochemistry: Olivine (Fa28.0-32.1, N = 3), orthopyroxene (Fs10.9Wo0.2; Fs20.7-21.8Wo2.0-0.7; N = 3), clinopyroxene (Fs10.3-11.2Wo43.0-42.0, N = 2). Classification: Ordinary chondrite (LL4-6 breccia). Specimens: 24 g including one polished thin section at UWB; remainder with Mr. J. Higgins. | ||||||||||||||||||||||||||||||
Data from: MB105 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) | ||||||||||||||||||||||||||||||
Catalogs: | |||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 105, in preparation (2016) |