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Northwest Africa 15424 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15424 This is an OFFICIAL meteorite name. Abbreviation: NWA 15424 Observed fall: No Year found: 2022 Country: (Northwest Africa) Mass: 943 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 215 approved meteorites classified as CK5. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 11 Dec 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15424 (NWA 15424) (Northwest Africa) Purchased: 2022 Classification: Carbonaceous chondrite (CK5) History: Purchased by Nicholas Gessler in 2022 from a Moroccan dealer. Physical characteristics: A sub-round, flat oval oriented stone (943 g) ~95% covered by fusion crust. Petrography: (A. Irving, UWS and J. Boesenberg, BrownU) Sparse well-formed, equilibrated chondrules containing Cr-magnetite are set in a fine grained matrix containing stained Cr-magnetite, ilmenite, augite, chlorapatite and very minor troilite. Geochemistry: Olivine (Fa30.7±0.4, range Fa30.3-31.6, N = 11), low-Ca pyroxene (Fs25.7±0.2Wo0.6±0.1, range Fs25.5-25.9Wo0.6-0.8, N = 9), augite (Fs10.0±1.3Wo45.4±0.9, range Fs8.5-11.2Wo46.7-44.4, N = 4), plagioclase (An33.1Or3.4; An56.5-59.5Or1.1-1.2; N = 4), magnetite (Cr2O3 4.1-4.5 wt.%, N = 7). Classification: Carbonaceous chondrite (CK5). Specimens: 21.5 g plus one polished thin section at UWB; remainder with Mr. N. Gessler. | ||||||||||||||||||||||||||||||
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) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) Gessler: Nicholas Gessler, 2010 Calgary Lane, Los Angeles, CA 90077, United States (private address; updated 7 Jul 2016) BrownU: Joseph Boesenberg Brown University Dept of Earth, Environmental and Planetary Sciences (DEEPS) 324 Brook Street Providence, RI 02912 , United States (institutional address; updated 4 Jan 2024) |
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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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