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Northwest Africa 10173 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10173 This is an OFFICIAL meteorite name. Abbreviation: NWA 10173 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 569 approved meteorites (plus 1 unapproved name) classified as Eucrite. [show all] Search for other: Achondrites, Eucrites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 30 Jun 2015 | ||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 104:
Northwest Africa 10173 (NWA 10173) (Northwest Africa) Purchased: 2015 Feb Classification: HED achondrite (Eucrite) History: Purchased by Darryl Pitt in February 2015 from a dealer in Mauritania. Petrography: (A. Irving and S. Kuehner, UWS) Fresh fragmental breccia composed mainly of angular mineral clasts plus sparse basaltic eucrite lithic clasts (with variable grainsize) set in a finer grained matrix. Minerals are exsolved and unexsolved pigeonite, calcic plagioclase, silica polymorph, Ti-chromite, ilmenite and troilite. Geochemistry: Host orthopyroxene (Fs56.5-60.6Wo2.7-1.8, FeO/MnO = 31-33, N = 3), clinopyroxene exsolution lamellae (Fs22.4-25.8Wo45.6-44.7, FeO/MnO = 29-35, N = 3). Classification: Eucrite (breccia). Specimens: 20.8 g including one polished thin section at UWB. The remainder is held by DPitt. | ||||||||||||||||||||||||||||
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) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (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 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |