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Northwest Africa 8092 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8092 This is an OFFICIAL meteorite name. Abbreviation: NWA 8092 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 29 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 451 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||||||||||||||
Comments: | Approved 22 Jan 2015 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 8092 (NWA 8092) (Northwest Africa) Purchased: 2013 July Classification: HED achondrite (Howardite) Petrography: (A. Greshake, MNB) The small grayish colored individuals contain abundant diogenetic and less abundant coarse-grained basaltic eucrite clasts set into a fine-grained clastic matrix. Some dark melt clasts were encountered. Basaltic eucrite clasts are composed of exsolved pyroxene and calcic plagioclase. Accessory minerals include silica polymorphs, pyrrhotite, and chromite. Geochemistry: Low-Ca pyroxene: Fs20.7-56.7Wo1.7-5.8; FeO/MnO=24-32; augite: Fs23-29.2Wo39.6-41.7; FeO/MnO=27-32; calcic plagioclase: An68-87.7 | ||||||||||||||||||||||||||||
Data from: MB104 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. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/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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