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Northwest Africa 14296 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14296 This is an OFFICIAL meteorite name. Abbreviation: NWA 14296 Observed fall: No Year found: 2020 Country: Mali Mass: 230 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 2060 approved meteorites (plus 5 unapproved names) classified as L4. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 29 Jan 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 14296 (NWA 14296) Mali Purchased: 2020 Apr Classification: Ordinary chondrite (L4) History: Purchased by Mbark Arjdal in April 2020 from a Malian dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Well formed, equilibrated chondrules are set in a fine grained matrix containing kamacite, troilite, merrillite, low-Ti chromite and minor taenite. Most chondrules have glassy matrices but some are plagioclase-bearing. Geochemistry: Olivine (Fa25.1±0.1, range Fa25.0-25.2, N = 5), low-Ca pyroxene (Fs21.1±0.2Wo0.7±0.1, range Fs20.8-21.2Wo1.3-1.9, N = 5), augite (Fs7.6±0.2Wo45.6±0.7, range Fs7.4-7.8Wo45.0-46.3, N = 3). Classification: Ordinary chondrite (L4). Specimens: 23.5 g including one polished thin section at UWB; remainder with Mr. M. Arjdal. | ||||||||||||||||||||||||||||||
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 112 approved meteorites from Mali (plus 3 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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