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Northwest Africa 10403 | |||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10403 This is an OFFICIAL meteorite name. Abbreviation: NWA 10403 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 96.2 g | ||||||||||||||||||||||||||||
Classification history: |
This is 1 of 63 approved meteorites classified as Diogenite-pm. [show all] Search for other: Achondrites, Diogenites, and HED achondrites | ||||||||||||||||||||||||||||
Comments: | Approved 18 Dec 2015 | ||||||||||||||||||||||||||||
Writeup |
Writeup from MB 104:
Northwest Africa 10403 (NWA 10403) (Northwest Africa) Purchased: 2015 Jun Classification: HED achondrite (Diogenite, polymict) History: Purchased by Aras Jonikas in June 2015 from a Moroccan dealer. Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia composed mostly of diogenitic clasts and debris, plus <10 vol.% eucritic debris and lithic clasts (with intersertal to recrystallized tetxtures). Minerals are orthopyroxene (with several different compositions), calcic plagioclase, exsolved pigeonite, silica polymorph, chromite and troilite. Geochemistry: Diogenitic orthopyroxene (Fs22.4Wo2.1; Fs34.2Wo2.2; FeO/MnO = 34, N = 2), orthopyroxene host (Fs58.3Wo3.8, FeO/MnO = 29), clinopyroxene exsolution lamella (Fs29.2Wo41.5, FeO/MnO = 30), orthopyroxene host (Fs48.5Wo2.2, FeO/MnO = 20), clinopyroxene exsolution lamella (Fs21.8Wo39.6, FeO/MnO = 19). Classification: Diogenite (polymict breccia) Specimens: 20.85 g including one polished thin section at PSF; main mass with Mr. A. Jonikas. | ||||||||||||||||||||||||||||
Data from: MB104 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. 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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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