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Northwest Africa 14917 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14917 This is an OFFICIAL meteorite name. Abbreviation: NWA 14917 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: 950 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 60 approved meteorites classified as Diogenite-pm. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 20 Jun 2022 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14917 (NWA 14917) (Northwest Africa) Purchased: 2021 Sep Classification: HED achondrite (Diogenite, polymict) History: Purchased by Juan Avilés Poblador in September 2021 from an Algerian dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia dominated by lithic clasts of diogenitic composition and related debris with <10 vol.% eucrite material. Accessory phases include kamacite (relatively abundant, both fresh and altered), ilmenite, Ti-chromite and troilite. Geochemistry: Diogenitic orthopyroxene (Fs22.5-25.4, FeO/MnO = 32, N = 2; Fs30.9-33.4, FeO/MnO = 29-31, N = 4), eucrite low-Ca pyroxene (Fs41.2Wo3.0, FeO/MnO = 22), augite (Fs13.7-17.2Wo44.1-43.2, FeO/MnO = 20-24, N = 3), plagioclase (An88.8-92.0Or0.5-0.3, N = 3). Classification: Diogenite (polymict breccia). Specimens: 50.7 g including two polished thin sections at UWB; remainder with Mr. J. Poblador. | ||||||||||||||||||||||||||||
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 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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