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Northwest Africa 8221 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8221 This is an OFFICIAL meteorite name. Abbreviation: NWA 8221 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 485 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 214 approved meteorites classified as CK5. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 9 Mar 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8221 (NWA 8221) (Northwest Africa) Purchased: 2013 Nov Classification: Carbonaceous chondrite (CK5) History: Purchased by Marcin Cimała and Lukasz Smula in November 2013 from a dealer in Zagora, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Very fresh specimen composed of sparse, separated, medium-sized, granular chondrules (containing abundant magnetite) in a pale brown matrix. Minerals are olivine, clinopyroxene, intermediate plagioclase, Cr-bearing magnetite and pentlandite. Geochemistry: Olivine (Fa33.5-34.6; FeO/MnO = 123-142, N = 3), clinopyroxene (Fs11.1-12.9Wo43.9-47.4; FeO/MnO = 53-120, N = 3). Classification: Carbonaceous chondrite (CK5). Specimens: 22 g including one polished thin section at UWB. The remaining material is held jointly by Mr. M. Cimała, Mr. L. Smula and Ms. M. Skirzewska. | ||||||||||||||||||||||||||||||
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) |
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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 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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