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Northwest Africa 10764 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10764 This is an OFFICIAL meteorite name. Abbreviation: NWA 10764 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 16 approved meteorites classified as L(LL)3. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 2 Sep 2016 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 105:
Northwest Africa 10764 (NWA 10764) (Northwest Africa) Purchased: 2016 Feb Classification: Ordinary chondrite (L(LL)3) History: Purchased by Bob Falls in February 2016 from a Moroccan dealer at the Tucson Gem and Mineral Show. Petrography: (A. Irving and S. Kuehner, UWS) Well formed, fairly closely packed chondrules (apparent diameter 500 ± 300 μm) in a finer grained matrix containing altered metal. Geochemistry: Olivine (Fa1.5-43.8; Cr2O3 in ferroan examples 0.02-0.08 wt.%, mean 0.04±0.02 wt.%; N = 8), orthopyroxene (Fs1.0-40.2Wo1.0-2.3, N = 3), clinopyroxene (Fs9.8-15.2Wo37.7-41.7, N = 2). Classification: Ordinary chondrite (L(LL)3). Specimens: 21.0 g including one polished thin section at UWB; remainder with Mr. R. Falls. | ||||||||||||||||||||||||||||||
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) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |