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Northwest Africa 10146 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10146 This is an OFFICIAL meteorite name. Abbreviation: NWA 10146 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 43.5 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 409 approved meteorites classified as Eucrite-pmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 11 Jun 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10146 (NWA 10146) (Northwest Africa) Purchased: 2015 Jan Classification: HED achondrite (Eucrite, polymict) History: Purchased by Darryl Pitt in January 2015 from a dealer in Erfoud, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Fresh fragmental breccia composed predominantly of mineral clasts plus some lithic clasts with diabasic to fine intersertal textures. Diogenitic orthopyroxene makes up ~4 vol.%.. Other minerals are calcic plagioclase, exsolved pigeonite, silica polymorph, fayalite, ilmenite, rare baddeleyite and Ni-free metal. Geochemistry: Olivine (Fa81.8-82.2, FeO/MnO = 38-39, N = 2), diogenitic orthopyroxene (Fs27.4-30.5Wo4.5-4.9, FeO/MnO = 28-30, N = 2), orthopyroxene host (Fs57.8Wo1.4, FeO/MnO = 31), clinopyroxene exsolution lamella (Fs24.3Wo41.9, FeO/MnO = 28). Classification: Eucrite (polymict breccia). Specimens: 10.5 g including one polished thin section at UWB. The remainder is held by DPitt. | ||||||||||||||||||||||||||||||
Data from: MB104 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) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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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 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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