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Northwest Africa 10180 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10180 This is an OFFICIAL meteorite name. Abbreviation: NWA 10180 Observed fall: No Year found: 2011 Country: (Northwest Africa) Mass: 32.7 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 451 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||||||||||||||||
Comments: | Approved 30 Jun 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10180 (NWA 10180) (Northwest Africa) Purchased: 2011 Sep Classification: HED achondrite (Howardite) History: Purchased by John Curchin in September 2011 from a Moroccan dealer at the Denver Show. Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia containing abundant diogenitic orthopyroxene (~70 vol.% of clast population), basaltic eucrite clasts and related crystalline debris in a finer grained matrix. Other minerals are olivine, exsolved pigeonite, calcic plagioclase, silica polymorph, chromite (with variable Al content), ilmenite and troilite. Geochemistry: Olivine (Fa42.1 and 42.9, FeO/MnO = 47 and 49, N = 2), orthopyroxene (Fs20.8-21.4Wo1.8-1.9, FeO/MnO = 29-34, N = 3), orthopyroxene host 1 (Fs56.9Wo4.7, FeO/MnO = 28), clinopyroxene exsolution lamella 1 (Fs27.2Wo41.9, FeO/MnO = 29), orthopyroxene host 2 (Fs49.9Wo2.4, FeO/MnO = 26), clinopyroxene exsolution lamella 2 (Fs22.7Wo42.1, FeO/MnO = 26). Classification: Howardite. Specimens: 6.54 g including one polished thin section at UWB. The remainder is held by Mr. J. Curchin. | ||||||||||||||||||||||||||||||
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) |
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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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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