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Northwest Africa 11560 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11560 This is an OFFICIAL meteorite name. Abbreviation: NWA 11560 Observed fall: No Year found: 2017 Country: (Northwest Africa) Mass: 13.06 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 520 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 12 Jan 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11560 (NWA 11560) (Northwest Africa) Purchased: 2017 Oct Classification: HED achondrite (Diogenite) History: Purchased in Temara, Morocco by Adam Aaronson in October 2017. Physical characteristics: A single large stone (13060 g) composed predominantly of vitreous yellow-green pyroxene with sparse opaque grains. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular aggregate (mean grainsize 0.9 mm) of predominantly orthopyroxene plus minor chromite and rare olivine. Minor calcite accompanied by iron hydroxide occurs along grain boundaries. Geochemistry: Orthopyroxene (Fs22.7-23.5Wo1.5-2.0, FeO/MnO = 28-30, N = 3), olivine (Fa26.2-26.3, FeO/MnO = 44-46, N = 2). Classification: Diogenite. Specimens: 20.2 g including one polished thin section at UWB; remainder with Aaronson. | ||||||||||||||||||||||||||||||
Data from: MB107 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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) 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. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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