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Northwest Africa 4694 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 4694 This is an OFFICIAL meteorite name. Abbreviation: NWA 4694 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass: 670 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 48 approved meteorites classified as CVred3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CV chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 11 Dec 2021 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 110:
Northwest Africa 4694 (NWA 4694) (Northwest Africa) Purchased: 2007 Classification: Carbonaceous chondrite (CVred3) History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Dark brownish rock without fusion crust. Petrography: Carbonaceous chondrite composed of sharply defined chondrules (mean diameter about 900 µm), CAIs (up to 4 mm), and olivine amoeboids all set into a fine-grained dark brownish matrix. Opaque phases are metal and sulfides. Most chondrules show reddish staining due to terrestrial weathering. Geochemistry: Ni in sulfides <0.12 wt%, N=5 Classification: Carbonaceous chondrite (CVred3). Reduced subgroup based on low concentrations of Ni in sulfides, Gattacceca et al. (2020). | ||||||||||||||||||||||||||||||
Bibliography: |
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Data from: MB110 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 Gattacceca J., McCubbin F.M., Grossman J., Bouvier A., Chabot N.L., D'Orazio M., Goodrich C., Greshake A., Gross J., Komatsu M., Miao B., and Schrader D. (2022) The Meteoritical Bulletin, No. 110. Meteorit. Planet. Sci. 1-4
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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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