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Northwest Africa 6027 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6027 This is an OFFICIAL meteorite name. Abbreviation: NWA 6027 Observed fall: No Year found: 2009 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 75 approved meteorites classified as CK3. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 3), CK chondrites, CK3 chondrites, and CV-CK clan chondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 10 Mar 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 6027 (NWA 6027) (Northwest Africa) Purchased: 2009 Classification: Carbonaceous chondrite (CK3) History: The meteorite was purchased from a local meteorite dealer in Erfoud, Morocco. Physical characteristics: Dark grayish to greenish rock partly covered with fusion crust. Petrography: The meteorite displays a dark greenish interior and is composed of well separated and sharply defined chondrules (apparent mean diameter about 600 μm) set into abundant matrix dominated by Fe-rich olivine, intermediate plagioclase, and Cr-rich magnetite. Minor phases include Ca-pyroxene and FeNi-sulfide; no metal was detected. Geochemistry: Fe-rich matrix olivine: Fa31.1±0.3, FeO/MnO=107±9, n=11; unequilibrated olivine: Fa21.1±7.9 (Fa9.9-30.4, n=18); low-Ca pyroxene: Fs7.9±6.6Wo1.4±0.5 (Fs1.0-20.5Wo0.9-2.8, n=14); Ca-pyroxene: Fs1.2±0.1Wo42.3±0.6, n=5 | ||||||||||||||||||||||||||||||
Data from: MB109 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. 109, in preparation (2020)
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Photos: |
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Geography: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |