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Northwest Africa 15453 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 15453 This is an OFFICIAL meteorite name. Abbreviation: NWA 15453 Observed fall: No Year found: 2022 Country: (Northwest Africa) Mass: 70 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 4 Dec 2022 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 111:
Northwest Africa 15453 (NWA 15453) (Northwest Africa) Purchased: 2022 Classification: Ureilite History: The meteorite was purchased from a meteorite dealer in Algeria. Physical characteristics: Brownish rock without fusion crust. Petrography: The meteorite shows a protogranular texture of up to 2 mm angular to subrounded olivine and pigeonite crystal. Olivine displays characteristic reduced rims. The meteorite contains flaky graphite, troilite, and mostly altered kamacite. Geochemistry: reduced rims in olivine: Fa2.9-6.6, n=3; olivine contains 0.66±0.30 wt% Cr2O3 and 0.33±0.02 wt% CaO; pigeonite contains 1.12±0.03 wt% Cr2O3 and 0.65±0.02 wt% Al2O3. | ||||||||||||||||||||||||||||||
Data from: MB111 Table 0 Line 0: |
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Institutions and collections |
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011) |
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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) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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