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Northwest Africa 7280 | |||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7280 This is an OFFICIAL meteorite name. Abbreviation: NWA 7280 Observed fall: No Year found: 2011 Country: Morocco Mass: 246 g | ||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||
Comments: | Approved 23 Aug 2012 | ||||||||||||||||||||||
Writeup |
Writeup from MB 101:
Northwest Africa 7280 (NWA 7280) Morocco Purchased: 2011 Jul 25 Classification: HED achondrite (Diogenite) Physical characteristics: Nine fitting fragments from a single stone partially covered with fresh fusion crust. Cut surfaces show dark and light clasts (<4 mm) in a light-gray matrix. Petrography: (J. Gattacceca, CEREGE) Breccia composed of mineral fragments (pyroxene, plagioclase) to 4 mm in a clastic matrix. No eucrite clasts observed. The sample is modally dominated by orthopyroxene. Geochemistry: Orthopyroxene Fs21.9-41.5Wo3.3-1.8, Fe/Mn=32.2. Plagioclase An93.8Ab5.7Or0.5. Magnetic susceptibility log χ = 3.69 is in the very high range of the diogenites. Classification: Achondrite (Diogenite). Minimal weathering. Specimens: 23 g, a polished section, and a thin section at CEREGE. | ||||||||||||||||||||||
Data from: MB101 Table 0 Line 0: |
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Institutions and collections |
CEREGE: CEREGE
BP 80
Avenue Philibert, Technopole de l'Arbois
13545 Aix-en-Provence Cedex 4
France, France (institutional address; updated 10 Jun 2023) |
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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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Photos: |
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Geography: |
Statistics: This is 1 of 2068 approved meteorites from Morocco (plus 31 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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