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Northwest Africa 12183 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12183 This is an OFFICIAL meteorite name. Abbreviation: NWA 12183 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 167 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 9 Nov 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 12183 (NWA 12183) (Northwest Africa) Purchased: 2018 Classification: Ureilite History: The meteorite was bought from a local meteorite dealer in Morocco. Physical characteristics: Dark-brownish individual lacking any fusion crust. Petrography: The meteorite shows a characteristic cumulate texture of up to 1 mm sized olivine and pigeonite grains. Olivine is enriched in Cr2O3 and displays typical reduced rims. The meteorite contains abundant flaky graphite. Geochemistry: reduced rims in olivine: Fa5.1-11.0; olivine contains 0.67±0.18 wt% Cr2O3 and 0.31±0.02 wt% CaO | ||||||||||||||||||||||||||||||
Data from: MB107 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. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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