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Northwest Africa 11887 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11887 This is an OFFICIAL meteorite name. Abbreviation: NWA 11887 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 61 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 270 approved meteorites classified as Mesosiderite. [show all] Search for other: Mesosiderites, Metal-rich meteorites | ||||||||||||||||||||||||||
Comments: | Approved 3 Aug 2018 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11887 (NWA 11887) (Northwest Africa) Purchased: 2015 Classification: Mesosiderite Physical characteristics: Cut surface reveals abundant metal, up to cm size. Petrography: (J. Gattacceca, CEREGE) Main minerals are pyroxene (to 200 μm), interstitial plagioclase (to 150 μm), kamacite (to cm). Other minerals: troilite, silica polymorph, merrillite. Silicate show triple junctions. Geochemistry: Orthopyroxene Fs15.9Wo0.6, FeO/MnO=34.7 (N=1). Plagioclase An89.9Ab9.6Or0.5 (N=3). Classification: Mesosiderite Specimens: 16 g at CEREGE. Main mass with Labenne | ||||||||||||||||||||||||||
Data from: MB107 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. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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