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Northwest Africa 10863 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10863 This is an OFFICIAL meteorite name. Abbreviation: NWA 10863 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 5 kg | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 407 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 27 Oct 2016 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10863 (NWA 10863) (Northwest Africa) Purchased: 2015 Classification: HED achondrite (Eucrite, polymict) History: The meteorite was bought in 2015 from a local meteorite dealer in Morocco. Physical characteristics: The individual is partly covered with fusion crust and shows a dark-grayish interior. Petrography: The meteorite is a breccia composed of up to 2 cm sized lithic and mineral clasts set into a fine-grained, clastic matrix. Lithic clasts include basaltic and dark melt clasts, dominant minerals are exsolved pyroxene and calcic plagioclase. Minor phases are FeS, chromite, SiO2 polymorphs and metallic iron. Some shock melt veins are present. Geochemistry: low-Ca pyroxene: Fs40.5±10.0Wo2.3±0.6 (Fs28.8-61.9Wo1.6-4.0, n=41, FeO/MnO=27-34); Ca-pyroxene: Fs14.8±2.7Wo44.6±0.8 (Fs12.6-24.7Wo43.2-46.3, n=16, FeO/MnO=22-30); calcic plagioclase: An86.3±4.0 (An79.7-90.9, n=30) | ||||||||||||||||||||||||||||
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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