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Northwest Africa 10684 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10684 This is an OFFICIAL meteorite name. Abbreviation: NWA 10684 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 242 approved meteorites classified as Eucrite-mmict. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 2 Jul 2016 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 105:
Northwest Africa 10684 (NWA 10684) (Northwest Africa) Purchased: 2016 Feb Classification: HED achondrite (Eucrite, monomict) History: Purchased by Aras Jonikas in February 2016 from a Moroccan dealer. Petrography: (A. Irving and S. Kuehner, UWS) Very fresh specimen consisting of diabase clasts within a matrix of related debris. Minerals are exsolved pigeonite, orthopyroxene, clinopyroxene, calcic plagioclase, silica polymorph, ilmenite, troilite and minor Ti-chromite. Geochemistry: Orthopyroxene (Fs59.1-59.5Wo1.6-1.7, FeO/MnO = 31-32, N = 3), clinopyroxene exsolution lamella (Fs25.2Wo42.6, FeO/MnO = 31), discrete clinopyroxene (Fs24.0Wo44.9, FeO/MnO = 26), plagioclase (An84.8-86.3Or0.9-0.8, N = 2). Classification: Eucrite (monomict diabasic breccia). Specimens: 20.47 g including one polished thin section at PSF; remainder with Mr. A. Jonikas. | ||||||||||||||||||||||||||||
Data from: MB105 Table 0 Line 0: |
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Institutions and collections |
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Photos: |
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Geography: |
Statistics: This is 1 of 7579 approved meteorites from (Northwest Africa) (plus 1969 unapproved names) |