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Northwest Africa 10569 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10569 This is an OFFICIAL meteorite name. Abbreviation: NWA 10569 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 45.9 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 26 Mar 2016 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10569 (NWA 10569) (Northwest Africa) Purchased: 2015 Classification: HED achondrite (Eucrite, brecciated) History: The meteorite was bought in 2015 from the Moroccan meteorite dealers Med Lamine Ahmed and Cheikh El Fakraoui. Petrography: The meteorite is a eucritic breccia composed of coarse basaltic clasts set into a fine-grained and commonly shock-melted matrix. Dominant minerals in both lithologies are exsolved pyroxene and up to 1 mm sized calcic plagioclase grains. Minor phases include chromite and silica polymorphs. Geochemistry: Low-Ca pyroxene: Fs60.7±0.7Wo2.2±0.7 (Fs58.9-61.6Wo1.7-4, n=15, FeO/MnO=30-35); Ca-pyroxene: Fs26.5±0.9Wo43.9±1 (Fs26-29.8Wo40.2-44.6, n=16, FeO/MnO=29-40); calcic plagioclase: An90±1.9 (An85.2-92.4, n=15). | ||||||||||||||||||||||||||||
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 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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