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Northwest Africa 13185 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 13185 This is an OFFICIAL meteorite name. Abbreviation: NWA 13185 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 290 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 29 Feb 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13185 (NWA 13185) (Northwest Africa) Purchased: 2019 Mar Classification: Lunar meteorite (feldspathic breccia) History: Purchased in Agadir, Morocco by Aziz Habibi in March 2019. Physical characteristics: The dark brown stones exhibit diffuse small clasts in a very fine grained matrix. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of small mineral clasts plus sparse lithic clasts (including microgabbro and some quench-textured glassy beads) set in a fine grained, partly glassy and microvesicular matrix. Minerals include anorthite, olivine, orthopyroxene, pigeonite, ferropigeonite and augite together with accessory Ti chromite, ilmenite, zircon, kamacite and secondary barite. Geochemistry: Olivine (Fa28.2-45.8, FeO/MnO = 97-125, N = 5), orthopyroxene (Fs41.0-43.0Wo2.4-2.9, FeO/MnO = 57-66, N = 2), pigeonite (Fs46.5Wo5.4; Fs27.6Wo8.5; Fs28.0-28.7Wo11.0-10.4; Fs44.2Wo16.9; FeO/MnO = 53-61, N = 5), ferropigeonite (Fs60.7Wo18.7, FeO/MnO = 74), augite (Fs22.3Wo40.1, FeO/MnO = 50; Fs46.9Wo38.9, FeO/MnO = 68; N = 2), anorthite (An95.8-97.1Or0.3-0.1, N = 3). Classification: Lunar (feldspathic breccia). Specimens: 20.3 g including one polished piece at UWB; 100 g with Mr. M. Stream; remainder with A. Habibi. | ||||||||||||||||||||||||||||||
Data from: MB109 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) WUSL: Washington Univ., One Brookings Drive, St. Louis, MO 63130, United States (institutional address; updated 17 Oct 2011) 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. 109, in preparation (2020)
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Geography: |
Statistics: This is 1 of 8890 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |