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Northwest Africa 14556 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 14556 This is an OFFICIAL meteorite name. Abbreviation: NWA 14556 Observed fall: No Year found: 2020 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 11150 approved meteorites (plus 22 unapproved names) classified as H5. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 22 Dec 2021 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 14556 (NWA 14556) (Northwest Africa) Purchased: 2020 Classification: Ordinary chondrite (H5) 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 (~30 µm) and accessory Fe-Ni metal, troilite and chromite. Geochemistry: Olivine (Fa19.3±0.4, range Fa18.6-19.7, n=10), Low-Ca Pyroxene (Fs17.6±0.5Wo1.2±0.3, range Fs17.2-18.6Wo0.9-1.5, n=10). Classification: Ordinary Chondrite (H5) Specimens: 25 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 9111 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) |