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Northwest Africa 8432 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8432 This is an OFFICIAL meteorite name. Abbreviation: NWA 8432 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: 305 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 100 approved meteorites classified as LL7. [show all] Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Jun 2014 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8432 (NWA 8432) (Northwest Africa) Purchased: 2012 Classification: Ordinary chondrite (LL7) History: Purchased in Agadir in 2012 Physical characteristics: Two partially crusted stones. Cut surface reveals brecciated structure with dark clasts in a light-gray groundmass. Petrography: (J. Gattacceca, CEREGE): Breccia with shock-darkened clasts up to 1 cm. Recrystallized texture without visible chondrule. Minerals are olivine, pyroxene, plagioclase (many >100 μm), troilite, chromite, Ca-phosphate, rare metal. Geochemistry: Olivine Fa31.5±0.1, orthopyroxene Fs25.7±0.1Wo2.3±0.1, plagioclase An11Ab84Or5. Magnetic susceptibility log χ = 3.83 (χ in 10-9 m3/kg). Classification: Ordinary chondrite (LL7), breccia. Weathering grade W1 Specimens: 21 g in CEREGE, main mass with Labenne | ||||||||||||||||||||||||||||||
Data from: MB103 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) Labenne: 23, rue de Esperance, 75013 Paris, France; Website (private address; updated 29 Aug 2012) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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