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Northwest Africa 13681 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13681 This is an OFFICIAL meteorite name. Abbreviation: NWA 13681 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 199 approved meteorites classified as CK5. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (equilibrated), CK chondrites, CK chondrites (type 4-6), and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 6 Feb 2021 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 13681 (NWA 13681) (Northwest Africa) Purchased: 2014 Classification: Carbonaceous chondrite (CK5) History: The meteorite was purchased from a dealer in Rissani, Morocco. Physical characteristics: Dark grayish to greenish rock mostly covered with fusion crust. Petrography: The meteorite predominantly consists of fine-grained recrystallized matrix dominated by ferrous olivine with some scattered chondrules still being discernable. Cr-rich magnetite is abundant. More minor phases include intermediate plagioclase, low-Ca pyroxene, Ca-pyroxene, and troilite; metal was not detected. Geochemistry: olivine: Fa32.6±0.1 (FeO/MnO=104±7, n=4); low-Ca pyroxene: Fs26.8±0.6Wo2.3±0.7, n=4; Ca-pyroxene: Fs9.8±0.9Wo46.8±0.3, n=4 | ||||||||||||||||||||||||||||||
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 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |