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Northwest Africa 8178 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8178 This is an OFFICIAL meteorite name. Abbreviation: NWA 8178 Observed fall: No Year found: 2013 Country: (Northwest Africa) Mass: 397 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 14 Feb 2014 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8178 (NWA 8178) (Northwest Africa) Purchased: 2013 Dec Classification: HED achondrite (Diogenite) History: Purchased in Temara, Morocco by Adam Aaronson in December 2013. Petrography: (A. Irving and S. Kuehner, UWS) Matrix-poor breccia composed of closely-packed, angular, mostly monomineralic clasts of orthopyroxene with ~5 vol.% olivine, clinopyroxene, chromite and troilite. Geochemistry: Orthopyroxene (Fs23.4-25.0Wo2.3-2.4; FeO/MnO = 29), olivine (Fa32.9-33.3; FeO/MnO = 46-49), clinopyroxene (Fs9.9-10.3Wo43.8; FeO/MnO = 21-25). Classification: Diogenite (monomict breccia). Specimens: 20.1 g including a polished thin section at UWB. The remainder is held by Aaronson. | ||||||||||||||||||||||||||||||
Data from: MB103 Table 0 Line 0: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/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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