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Northwest Africa 7490 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7490 This is an OFFICIAL meteorite name. Abbreviation: NWA 7490 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 517 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 12 Dec 2012 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 101:
Northwest Africa 7490 (NWA 7490) (Northwest Africa) Purchased: 2012 Classification: HED achondrite (Diogenite) Petrography: The meteorite displays a cumulate texture of dominantly large orthopyroxene crystals, subordinate calcic plagioclase, and minor olivine. Accessory minerals include chromite and troilite; no eucrite clasts were found. Orthopyroxene Fs24.1-26Wo3.4-4.6, FeO/MnO=27-33; olivine Fa27.3; plagioclase An82.9, range 77.1-91.6. | ||||||||||||||||||||||||||||||
Data from: MB101 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. 101, MAPS 50, 1661, September 2015
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Geography: |
Statistics: This is 1 of 9368 approved meteorites from (Northwest Africa) (plus 1875 unapproved names) |