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Northwest Africa 7967 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7967 This is an OFFICIAL meteorite name. Abbreviation: NWA 7967 Observed fall: No Year found: 2006 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 218 approved meteorites classified as Eucrite-br. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 10 Dec 2015 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 7967 (NWA 7967) (Northwest Africa) Purchased: 2006 Feb Classification: HED achondrite (Eucrite, brecciated) History: Purchased by Mike Silver in February 2006 from a Moroccan dealer at the Tucson Gem and Mineral Show. Petrography: (A. Irving and S. Kuehner, UWS) Matrix-poor breccia containing angular eucrite clasts with variable textures (subophitic, intersertal, variolitic). Minerals are calcic plagioclase, finely-exsolved pigeonite, silica polymorph, ilmenite, Ti-chromite, troilite and stained Ni-free metal. Geochemistry: Orthopyroxene (Fs63.3-64.0Wo4.1-4.7, FeO/MnO = 28-30, N = 3), clinopyroxene (Fs31.8-32.2Wo41.0-39.8, FeO/MnO = 30-33, N = 3). Classification: Eucrite (breccia). Specimens: 17.9 g including one polished thin section at ROM; remainder with Mr. M. Silver. | ||||||||||||||||||||||||||||
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) |
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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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |