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Northwest Africa 13279 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13279 This is an OFFICIAL meteorite name. Abbreviation: NWA 13279 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 602 approved meteorites (plus 1 unapproved name) classified as CV3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 2 May 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13279 (NWA 13279) (Northwest Africa) Purchased: 2019 Apr Classification: Carbonaceous chondrite (CV3) History: Purchased by Mark Lyon in April 2019 from a Moroccan dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well-formed PO and BO chondrules (apparent diameter 890 ± 400 µm, N = 24) and irregularly-shaped, very fine grained CAI are set in fine grained matrix (~20 vol.%, deep reddish sepia brown in thin section). Geochemistry: Olivine in chondrules (Fa11.8±14.2, range Fa0.4-38.2, N = 7), low-Ca pyroxene (Fs7.7±6.0Wo2.2±1.3, range Fs0.8-12.2Wo1.0-3.6, N = 3), olivine in matrix (Fa49.8-53.6, N = 2), diopside (Fs0.5Wo43.8; Fs0.5Wo49.0; N = 2), plagioclase (An81.6-88.0Or0.0, N = 2). Classification: Carbonaceous chondrite (CV3). Specimens: 20.9 g including one polished thin section at UWB; 1418 g main mass with Mr. C. Shipbaugh; remainder with Mr. M. Lyon. | ||||||||||||||||||||||||||||||
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, 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. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |