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Northwest Africa 8176 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 8176 This is an OFFICIAL meteorite name. Abbreviation: NWA 8176 Observed fall: No Year found: 2004 Country: (Northwest Africa) Mass: 380 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 407 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 18 May 2014 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 103:
Northwest Africa 8176 (NWA 8176) (Northwest Africa) Purchased: 2004 Dec Classification: HED achondrite (Eucrite, polymict) History: Purchased in Morocco by Adam Aaronson in December 2004. Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia composed of small, angular clasts and related debris. The predominant clast type is intersertal-textured basaltic eucrite; other clast types are variolitic-textured eucrite, microbreccia and rare diogenitic orthopyroxene grains. Geochemistry: Orthopyroxene host (Fs57.5-58.8Wo4.8-5.2; FeO/MnO = 28-34), clinopyroxene exsolution lamellae (Fs27.3-27.6Wo42.3-41.6; FeO/MnO = 32-33). Classification: Eucrite breccia (polymict). Specimens: 22 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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