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Northwest Africa 14458 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14458 This is an OFFICIAL meteorite name. Abbreviation: NWA 14458 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 2.34 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 660 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 13 Nov 2021 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 110:
Northwest Africa 14458 (NWA 14458) (Northwest Africa) Purchased: 2018 Dec Classification: Ureilite History: Purchased by Ziyao Wang in December 2018 from a dealer in Agadir, Morocco. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular texture (mean grainsize ~1 mm). Composed predominantly of olivine (~80 vol.%) and pigeonite (~20 vol.%) with accessory graphite, kamacite, taenite and troilite. Olivine grains have reduced, more magnesian rims associated with stained, fine grained Fe metal. Geochemistry: Olivine (cores Fa19.9-20.3, N = 4; rims Fa1.6-5.2, N = 4), pigeonite (Fs17.5-17.6Wo5.2-5.4, N = 5). Classification: Ureilite. Specimens: 44.2 g including one polished thin section at UWB; remainder with WangZ. | ||||||||||||||||||||||||||||||
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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) WangZ: Ziyao Wang, Hebei GEO University North Campus, Huai An dong road 127, Shijiazhuang, Hebei Province , China (private address; updated 25 Jun 2021) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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