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Northwest Africa 11833 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11833 This is an OFFICIAL meteorite name. Abbreviation: NWA 11833 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 29 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 17 Jul 2018 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11833 (NWA 11833) (Northwest Africa) Purchased: 2018 Classification: HED achondrite (Diogenite) History: The meteorite was purchased from a local meteorite dealer in Morocco. Physical characteristics: Light-grayish individual with patches of fusion crust. Petrography: The meteorite is a breccia mainly composed of up to 2 mm sized blocky orthopyroxene grains (mean diameter about 0.8 mm) and related fine-grained mineral debris. Minor phases include calcic plagioclase, chromite, kamacite, and troilite; no nickel free metal has been detected. Geochemistry: low-Ca pyroxene: Fs28.8±0.3Wo4.1±0.1 (Fs28.3-29.4Wo3.9-4.3, n=14, FeO/MnO=27-31); calcic plagioclase: An93.0±0.7 (An91.9-93.8, n=9) | ||||||||||||||||||||||||||||
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 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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