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Northwest Africa 10390 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10390 This is an OFFICIAL meteorite name. Abbreviation: NWA 10390 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 126 approved meteorites classified as Eucrite-unbr. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 10 Dec 2015 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 10390 (NWA 10390) (Northwest Africa) Purchased: 2015 Feb Classification: HED achondrite (Eucrite, unbrecciated) History: Purchased by Bob Falls in February 2015 from a Moroccan dealer at the Tucson Gem and Mineral Show. Petrography: (A. Irving and S. Kuehner, UWS) The fresh specimen has a microgabbroic texture with minor cataclastic effects on grain boundaries, and consists predominantly of finely exsolved pigeonite and calcic plagioclase with accessory silica polymorph, ilmenite, troilite plus rare baddeleyite and Ni-free metal. Geochemistry: Orthopyroxene host (Fs59.8Wo4.1, FeO/MnO = 31), clinopyroxene exsolution lamella (Fs30.4Wo39.6, FeO/MnO = 31), discrete clinopyroxene (Fs33.5Wo35.9, FeO/MnO = 31). Classification: Eucrite (unbrecciated, microgabbroic). Specimens: 21.3 g including one polished thin section at UWB; main mass with Mr. R. Falls. | ||||||||||||||||||||||||||||
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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 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 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |