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Northwest Africa 11773 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11773 This is an OFFICIAL meteorite name. Abbreviation: NWA 11773 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 890 g | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 83 approved meteorites classified as CK6. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||
Comments: | Approved 11 May 2018 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11773 (NWA 11773) (Northwest Africa) Purchased: 2014 Classification: Carbonaceous chondrite (CK6) History: The meteorite was purchased from a local meteorite dealer in Zagora, Morocco. Physical characteristics: Dark greyish individual without fusion crust. Petrography: The meteorite displays a greyish to light greenish interior and is composed of abundant recrystallized matrix dominated by of Fe-rich olivine with only few scattered and poorly defined chondrules (mean diameter about 0.7 mm). Cr-rich magnetite is abundant. More minor phases include intermediate plagioclase, Ca-pyroxene, and sulfides. No metal has been detected. Geochemistry: olivine: Fa33.2±0.2, n=16, FeO/MnO=118±9; Ca-pyroxene: Fs9.7±1.2Wo47.2±3.1, n=12; feldspar: An64.2Ab35.0Or0.8, n=2 | ||||||||||||||||||||||||||
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) Ralew: Stefan Ralew, Kunibertstraße 29, 12524 Berlin, Germany; Website (private address) |
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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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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