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Northwest Africa 14042 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14042 This is an OFFICIAL meteorite name. Abbreviation: NWA 14042 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 74 approved meteorites classified as Winonaite. [show all] Search for other: Primitive achondrites, Winonaites | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Jul 2021 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 14042 (NWA 14042) (Northwest Africa) Purchased: 2021 Mar Classification: Primitive achondrite (Winonaite) History: Purchased by Rachid Chaoui in March 2021 from a Mauritanian dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Triple grain junction texture. Composed of forsterite, diopside, enstatite and sodic plagioclase together with accessory kamacite, taenite, troilite and chlorapatite. Geochemistry: Forsterite (Fa4.0-4.3, FeO/MnO = 16-20, N = 4), diopside (Fs1.4-1.8Wo44.9-45.7, FeO/MnO = 9-12, N = 4), enstatite (Fs4.8-4.9Wo1.8-2.0, FeO/MnO = 11-14, N = 4), plagioclase (Ab75.4-76.0An20.8-21.0Or3.7-3.0, N = 2). Classification: Winonaite. Specimens: 20.6 g including one polished endcut at UWB; remainder with Mr. R. Chaoui. | ||||||||||||||||||||||||||||||
Data from: MB110 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. 110, in preparation (2021)
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Geography: |
Statistics: This is 1 of 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names) |