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Northwest Africa 12673 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12673 This is an OFFICIAL meteorite name. Abbreviation: NWA 12673 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 26 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 635 approved meteorites classified as CM2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), CM chondrites, and CM-CO clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 27 Jul 2019 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 108:
Northwest Africa 12673 (NWA 12673) (Northwest Africa) Purchased: 2018 Classification: Carbonaceous chondrite (CM2) History: The meteorite was purchased from a local meteorite dealer in Morocco. Physical characteristics: Many black fragments some of which are partly covered with fusion crust. Petrography: The meteorite displays a black interior and is composed of small (mean diameter about 250 μm) chondrules, mineral fragments and CAIs set into an abundant fine-grained matrix. Many components are surrounded by fine-grained dust rims. Matrix is Fe-rich and contains abundant Fe-sulfides and Ca-carbonates and less abundant phyllosilicates (low analytical totals: matrix analyses yield an average total of 90.4 wt%, 5 µm defocused beam, N=5) | ||||||||||||||||||||||||||||||
Data from: MB108 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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Photos: |
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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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