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Northwest Africa 12267 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12267 This is an OFFICIAL meteorite name. Abbreviation: NWA 12267 Observed fall: No Year found: 2018 Country: (Northwest Africa) Mass: 86 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 520 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 11 Dec 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 12267 (NWA 12267) (Northwest Africa) Purchased: 2018 Jun Classification: HED achondrite (Diogenite) History: Purchased by Craig Zlimen in June 2018 from a Moroccan dealer. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed predominantly of larger and smaller angular clasts of orthopyroxene with accessory chromite, Ti-chromite, calcic plagioclase, troilite and rare olivine (as inclusions in orthopyroxene). Some cross-cutting veinlets of goethite are present. Geochemistry: Orthopyroxene (Fs22.8-28.5Wo2.9-1.3, FeO/MnO = 27-31, N = 3), plagioclase (An83.4Or1.1; An96.3Or0.1; N = 2), olivine (Fa22.6, FeO/MnO = 49). Classification: Diogenite (breccia). Specimens: 18.1 g including one polished thin section at UWB; remainder with Mr. C. Zlimen. | ||||||||||||||||||||||||||||||
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) |
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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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