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Northwest Africa 10479 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10479 This is an OFFICIAL meteorite name. Abbreviation: NWA 10479 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 60 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 237 approved meteorites classified as Eucrite-br. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 24 Jan 2016 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10479 (NWA 10479) (Northwest Africa) Purchased: 2015 Classification: HED achondrite (Eucrite, brecciated) History: The meteorite was purchased from the Moroccan meteorite dealer Smara Addi. Physical characteristics: One small individual partly covered with fusion crust was recovered from the north-African Sahara. Petrography: The meteorite is a breccia composed of lithic clasts set into a fine-grained matrix. Lithic lasts are dominantly coarse-grained basaltic. Most abundant minerals are exsolved pyroxenes and plagioclase, less abundant are chromite, pyrrhotite and SiO2 polymorphs. Some shock melt veins are present. Geochemistry: low-Ca pyroxene: Fs31.8±3.3Wo6.9±1.6 (Fs28.4-40.2Wo5.2-10.2, n=27, FeO/MnO=26-31); Ca-pyroxene: Fs53.6±9.6Wo22.5±2.7 (Fs39.5-74.1Wo18.2-27.9, n=34, FeO/MnO=27-38); calcic plagioclase: An85.2±2.9 (An79.5-92.3, n=25) | ||||||||||||||||||||||||||||
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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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