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Northwest Africa 10676 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10676 This is an OFFICIAL meteorite name. Abbreviation: NWA 10676 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 442 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 63 approved meteorites classified as Diogenite-pm. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 2 Jul 2016 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 105:
Northwest Africa 10676 (NWA 10676) (Northwest Africa) Purchased: 2015 Oct Classification: HED achondrite (Diogenite, polymict) History: Purchased by Marc Jost from a Moroccan dealer in Brügg, Switzerland in October 2015. Petrography: (A. Irving and S. Kuehner, UWS) Breccia composed of angular grains of orthopyroxene (some compositionally zoned), sparse polymineralic lithic diogenite clasts, and sparse basaltic eucrite clasts (up to 1 cm in size) within a very fine grained matrix. Accessory minerals include chromite, ilmenite, calcic plagioclase, olivine, silica polymorph and Ni-free metal. Geochemistry: Orthopyroxene (Fs22.7-26.1Wo2.1-3.3, FeO/MnO = 28, N = 3),orthopyroxene host (Fs50.6Wo3.8, FeO/MnO = 27), clinopyroxene exsolution lamella (Fs22.9Wo41.0, FeO/MnO = 23), orthopyroxene in eucrite clast (Fs52.1Wo3.8, FeO/MnO = 27), clinopyroxene (Fs16.0Wo44.3, FeO/MnO = 24), olivine (Fa43.5, FeO/MnO = 43). Classification: Diogenite (polymict breccia). Specimens: 22.3 g including one polished thin section at UWB; remainder held by SJS. | ||||||||||||||||||||||||||||||
Data from: MB105 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) SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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