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Northwest Africa 14555 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14555 This is an OFFICIAL meteorite name. Abbreviation: NWA 14555 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 8831 approved meteorites (plus 4 unapproved names) classified as L5. [show all] Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 22 Dec 2021 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 14555 (NWA 14555) (Northwest Africa) Purchased: 2020 Classification: Ordinary chondrite (L5) History: Acquired in 2020 by D. Sheikh from a meteorite dealer in Morocco. Physical characteristics: Single stone slice containing a dark-brown fusion crust. Petrography: (D. Sheikh, Cascadia) Sample is an equilibrated ordinary chondrite containing secondary recrystallized plagioclase (~20 µm) and accessory Fe-Ni metal, troilite and chromite. Geochemistry: Olivine (Fa23.1±0.4, range Fa22.3-23.4, n=12), Low-Ca Pyroxene (Fs19.7±0.4Wo1.2±0.2, range Fs19.2-20.2Wo0.9-1.4, n=12). Classification: Ordinary Chondrite (L5) Specimens: 35 g at Cascadia, main mass with Cascadia | ||||||||||||||||||||||||||||||
Data from: MB110 Table 0 Line 0: |
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Institutions and collections |
Cascadia: Cascadia Meteorite Laboratory, Portland State University, Department of Geology, Room 17 Cramer Hall, 1721 SW Broadway, Portland, OR 97201, United States; Website (institutional address; updated 28 Oct 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 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) |