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Northwest Africa 10723 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10723 This is an OFFICIAL meteorite name. Abbreviation: NWA 10723 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 70 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 215 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 16 Jul 2016 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10723 (NWA 10723) (Northwest Africa) Purchased: Dec 2016 Classification: Carbonaceous chondrite (CK5) History: The meteorite was bought in 2016 from a meteorite dealer in Zagorra, Morocco. Physical characteristics: The meteorite displays a light-grayish to greenish interior. Petrography: Sparse, clearly defined and separated chondrules are set into abundant matrix dominantly composed of olivine and less abundant intermediate feldspar, Cr-rich magnetite, low-Ca pyroxene and Ca-pyroxene. All mafic minerals are compositionally equilibrated. Chondrules measure up to 1.2 mm; feldspar grains are 100-150 μm in size. Geochemistry: olivine: Fa31.2±0.2, FeO/MnO is 137.8±17.3, n=21; low-Ca pyroxene: Fs27.6Wo1.9 (N=2); Ca-pyroxene: Fs10.2Wo43.9 (N=32); Cr2O3 in magnetite: 4.6 wt% (N=5). | ||||||||||||||||||||||||||||||
Data from: MB105 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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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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