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Northwest Africa 10465 | |||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10465 This is an OFFICIAL meteorite name. Abbreviation: NWA 10465 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 574 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 24 Jan 2016 | ||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10465 (NWA 10465) (Northwest Africa) Purchased: 2015 Jul Classification: HED achondrite (Eucrite, polymict) History: Found in far-western Algeria in early June 2015. Physical characteristics: One piece with weathered exterior. A sawn surface shows a fragmental breccia with gabbroic, pyroxene-rich, and feldspar-rich clasts set in a very fine-grained, light gray groundmass. Petrography: (C. Agee, UNM) This meteorite consist of at least two distinct eucrite lithologies; the dominant lithology is a basaltic eucrite, and a minor lithology is a cumulate eucrite. Many domains consist of fragmental to cataclastic mineral grains. Accessory silica, ilmenite, and troilite were observed. Geochemistry: (C. Agee and N. Muttik, UNM) Pigeonite Fs55.1±3.8Wo8.3±3.2, Fe/Mn=32±1, n=11; high-Ca pyroxene Fs36.0±7.6Wo36.0±7.6, Fe/Mn=32±2, n=2; Cumulate eucrite low-Ca pyroxene Fs37.3Wo2.4, Fe/Mn=36, n=1; plagioclase An89.7±0.9, n=2. Classification: Polymict eucrite Specimens: 24.9 g including a probe mount on deposit at UNM, DPitt holds the main mass. | ||||||||||||||||||||||||||
Data from: MB105 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography: |
Statistics: This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||
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Revision history: |
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