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Northwest Africa 14658 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14658 This is an OFFICIAL meteorite name. Abbreviation: NWA 14658 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 2.68 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 8 May 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14658 (NWA 14658) (Northwest Africa) Purchased: 2021 Sep Classification: HED achondrite (Diogenite) History: Purchased by Rachid Chaoui in September 2021 from a dealer in Nouakchott, Mauritania. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Unbrecciated with coarse-grained protogranular texture (grainsize up to 5 mm). Composed predominantly of orthopyroxene accompanied by much smaller grains of olivine plus accessory chromite (with low Ti and minor V) and troilite (with Fe metal inclusions having variable Ni content). Geochemistry: Orthopyroxene (Fs23.7-25.1Wo2.1-2.2, FeO/MnO = 28-29, N = 3), olivine (Fa 23.2-28.0, FeO/MnO = 39-44, N = 3). Classification: Diogenite (protogranular). Specimens: 38.2 g including two polished thins section at UWB; remainder with Mr. R. Chaoui. | ||||||||||||||||||||||||||||||
Data from: MB111 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) |
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Catalogs: |
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References: | Published in Gattacceca J., McCubbin F. M., Grossman J. N., Schrader D. L., Chabot N. L., D’Orazio M., Goodrich C., Greshake A., Gross J., Joy K. H., Komatsu M. and Miao B. (2023) The Meteoritical Bulletin, No. 111. Meteoritics & Planetary Science 58, 901–904. ?
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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