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Northwest Africa 7230 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7230 This is an OFFICIAL meteorite name. Abbreviation: NWA 7230 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 508 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 11 Dec 2013 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7230 (NWA 7230) (Northwest Africa) Purchased: 2011 Classification: HED achondrite (Diogenite) Petrography: The small individual is partly covered with fusion crust and shows a light-gray interior. The meteorite displays a cumulate texture of dominantly large low Ca pyroxene crystals, less abundant calcic plagioclase, and rare Ca-rich pyroxene. Accessory minerals include chromite and troilite. Geochemistry: low Ca pyroxene Fs24.9-25.4Wo1.8-5.5, FeO/MnO=29-32; Ca-rich pyroxene: Fs13.8-14.7Wo43.7-44.9. FeO/MnO=22-27 ; plagioclase: An86.5, range An83.8-88. | ||||||||||||||||||||||||||||
Data from: MB102 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) Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Photos: |
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |