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Northwest Africa 6414 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 6414 This is an OFFICIAL meteorite name. Abbreviation: NWA 6414 Observed fall: No Year found: 2010 Country: Morocco Mass: ![]() | ||||||||||||||||||||||||||
Classification history: |
This is 1 of 379 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||
Comments: | Approved 31 Oct 2021 | ||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 110:
Northwest Africa 6414 (NWA 6414) Morocco Purchased: May 2010 Classification: HED achondrite (Eucrite, polymict) History: The stone was purchased by Fabien Kuntz in 2010 in Agadir, Morocco Physical characteristics: Single wind-polished stone weighing 432 g. Cut surface is pale with visible clasts and mineral fragments. Petrography: (A. Jambon UMPC; J. Mitchell, University of Plymouth, UoP) Breccia predominantly composed of fine mineral fragments of low- and high-Ca pyroxene and plagioclase, but also contains a variety of subophitic and granulitic basaltic lithologies (<3 mm clasts) and quenched melt clasts. A silica phase is common, as are accessory ilmenite, chromite, and troilite. Fe-metal is rare. Geochemistry: Low-Ca pyroxene Fs29.4-57.5 Wo4.36-10.0, mean Fs43.1Wo8.9 (n=36). High-Ca pyroxene Fs21.8-78.0Wo15.2-46.2, mean Fs45.4Wo32.6 (n=37). Plagioclase An82.5-76.4Or0.2-1.6, mean An92.7Or0.5 (n=40). Chromite Cr#84.2 (n=4). Bulk Fe/Mn 32.89. (EDS). Classification: Eucrite (polymict) | ||||||||||||||||||||||||||
Data from: MB110 Table 0 Line 0: |
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Institutions and collections |
MNHNP: Museum National d'Histoire Naturelle, IMPMC-CP52, 57 rue Cuvier, 75005 Paris, France, France; Website (institutional address) Kuntz: Fabien Kuntz, France; Website (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 110, in preparation (2021)
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Photos: |
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Geography:![]() |
Statistics: This is 1 of 1871 approved meteorites from Morocco (plus 24 unapproved names) (plus 1 impact crater) |