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Northwest Africa 13205 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13205 This is an OFFICIAL meteorite name. Abbreviation: NWA 13205 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: 2.56 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 499 approved meteorites classified as H4/5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 16 Feb 2020 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13205 (NWA 13205) (Northwest Africa) Purchased: 2019 May Classification: Ordinary chondrite (H4/5) History: Purchased by Darryl Pitt in May 2019 from a dealer in Agadir, Morocco. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Some well-formed, relatively small chondrules are set in a relatively coarse-grained, recrystallized matrix containing altered kamacite, taenite, troilite, Ti-poor chromite, merrillite and chlorapatite. Geochemistry: Olivine (Fa17.5±0.4, range Fa17.0-17.9, N = 5), low-Ca pyroxene (Fs15.5±0.3Wo1.1±0.1, range Fs15.2-16.1Wo1.0-1.2, N = 5), augite (Fs5.7±0.5Wo45.3±1.2, range Fs5.3-6.2Wo46.0-43.9, N = 3), plagioclase (Ab81.2An14.7Or4.1). Classification: Ordinary chondrite (H4/5). Specimens: 27.4 g including one polished thin section at UWB; remainder with DPitt. | ||||||||||||||||||||||||||||||
Data from: MB109 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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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