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Northwest Africa 10277 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10277 This is an OFFICIAL meteorite name. Abbreviation: NWA 10277 Observed fall: No Year found: 2014 Country: (Northwest Africa) Mass: 33 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 522 approved meteorites classified as Diogenite. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 3 Oct 2015 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10277 (NWA 10277) (Northwest Africa) Purchased: 2014 Sep Classification: HED achondrite (Diogenite) History: Purchased by Dr. David Gregory in September 2014 from a Moroccan dealer at the Denver Show. Petrography: (A. Irving and S. Kuehner, UWS) Aggregate of interlocking grains of orthopyroxene (exhibiting significant preferred orientation of prismatic habit) with minor olivine, chromite, troilite, and rare clinopyroxene and Ni-free metal. Geochemistry: Orthopyroxene (Fs22.4-24.3Wo1.6-3.1, FeO/MnO = 27-32, N = 3), olivine (Fa24.9-27.6, FeO/MnO = 41-45, N = 3), clinopyroxene (Fs13.5Wo39.1, FeO/MnO = 23). Classification: Diogenite. Specimens: 7 g plus a polished thin section at ROM; the remainder is held by DGregory. | ||||||||||||||||||||||||||||||
Data from: MB104 Table 0 Line 0: |
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Institutions and collections |
ROM: Royal Ontario Museum, 100 Queen's Park, Toronto, Ontario M5S 2C6, Canada (institutional address; updated 18 Oct 2011) UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address) |
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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 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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