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Northwest Africa 11945 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11945 This is an OFFICIAL meteorite name. Abbreviation: NWA 11945 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 1176 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 520 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 15 Sep 2018 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11945 (NWA 11945) (Northwest Africa) Purchased: 2018 Classification: HED achondrite (Diogenite) History: The meteorite was bought from a Moroccan meteorite dealer at a mineral fair in Sainte Marie aux Mines, France. Physical characteristics: Light brownish individual lacking any fusion crust. Petrography: The meteorite displays a light orange interior and is a monomict breccia predominantly composed of blocky up to 1.5 mm sized orthoproxenes grains and more fine-grained cataclastic regions. Minor phases include silica, chromite, and FeS. Neither plagioclase, olivine nor metallic iron have been found in the section studied. Geochemistry: low-Ca pyroxene: Fs25.5±0.4Wo2.7±0.7 (Fs25.0-26.3Wo1.8-4.0, n=15, FeO/MnO=25-31) | ||||||||||||||||||||||||||||
Data from: MB107 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. 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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