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| Northwest Africa 12674 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 12674 This is an OFFICIAL meteorite name. Abbreviation: NWA 12674 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass:  20 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 622 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 12674 (NWA 12674) (Northwest Africa) Purchased: 2019 Classification: Carbonaceous chondrite (CM2) History: The meteorite was purchased from a local meteorite dealer in Morocco. Physical characteristics: Six black fragments partly covered with fusion crust. Petrography: Brecciated carbonaceous chondrite composed of small chondrules (mean diameter about 220 μm), CAIs, and mineral fragments some of which are surrounded by fine-grained dust rims. Matrix constituents include phyllosilicates (low analytical totals: matrix analyses yield an average total of 90.0 wt%, 5 µm defocused beam, N=5), Ca-carbonates, and pyrrhotite. | ||||||||||||||||||||||||||||||
| 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 9128 approved meteorites from (Northwest Africa) (plus 1873 unapproved names) | ||||||||||||||||||||||||||||||