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Northwest Africa 14227 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14227 This is an OFFICIAL meteorite name. Abbreviation: NWA 14227 Observed fall: No Year found: 2021 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 617 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 18 Sep 2021 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 14227 (NWA 14227) (Northwest Africa) Purchased: 2021 Jan Classification: Ureilite History: The meteorite was purchased from a meteorite dealer in Ouarzazate, Morocco. Physical characteristics: Brownish rock without fusion crust. Petrography: The meteorite shows a granular texture of olivine and pigeonite grains up to 1.0 mm in sizes with some triple junctions. Olivine and pyroxene have characteristic reduced Mg-rich rims associated with FeNi-metal or graphite. The meteorite contains flaky graphite and abundant iron oxide veins. Geochemistry: reduced rims in olivine: Fa2.5-5.6; olivine contains 0.56±0.03 wt% Cr2O3 and 0.32±0.02 wt% CaO; reduced rims in orthopyroxene: Fs1.1-1.3Wo0.6-0.7; orthopyroxene contains 1.05±0.02 wt% Cr2O3 and 1.14±0.03 wt% Al2O3 | ||||||||||||||||||||||||||||||
Data from: MB110 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., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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Geography: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |