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Northwest Africa 5675 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 5675 This is an OFFICIAL meteorite name. Abbreviation: NWA 5675 Observed fall: No Year found: 2008 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 23 Jul 2016 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 105:
Northwest Africa 5675 (NWA 5675) (Northwest Africa) Purchased: 2008 Classification: HED achondrite (Eucrite) History: The meteorite was bought in 2008 from a local meteorite dealer in Erfoud, Morocco. Petrography: The meteorite is a brecciated eucrite with up to 3 cm sized basaltic and gabbroic clasts, black appearing recrystallized melt clasts and mineral fragments set into a finer grained matrix. Dominant mineral phases are calcic plagioclase and exsolved pyroxene; minor phases include chromite, troilite, and silica. Geochemistry: low-Ca pyroxene: Fs56.3±1.5Wo5.9±1.8 (Fs54.2-58.1Wo3.8-8.1, n=7, FeO/MnO=29-32); Ca-pyroxene: Fs38.2±5.5Wo28.0±6.7 (Fs25.9-44.7Wo20.7-42.5, n=16, FeO/MnO=29-32); calcic plagioclase: An89.4±1.2 (An87.9-92.2, n=16) | ||||||||||||||||||||||||||||
Data from: MB105 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 Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Photos: |
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Geography: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |