|
Northwest Africa 13241 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 13241 This is an OFFICIAL meteorite name. Abbreviation: NWA 13241 Observed fall: No Year found: 2019 Country: (Northwest Africa) Mass: 123.9 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 93 approved meteorites classified as Lodranite. [show all] Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites | ||||||||||||||||||||||||||||||
Comments: | Approved 28 Mar 2020 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 109:
Northwest Africa 13241 (NWA 13241) (Northwest Africa) Purchased: 2019 Nov Classification: Primitive achondrite (Lodranite) History: Purchased by Darryl Pitt in November 2019 from a dealer in Smara, Morocco. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Protogranular aggregate (mean grainsize 0.9 mm) composed of olivine, orthopyroxene and clinopyroxene together with accessory kamacite (partially altered to iron hydoxides), troilite and schreibersite. Silicates are stained by terrestrial iron hydroxides. Minor secondary Ca sulfate is present as well as some cross-cutting veinlets of goethite. Geochemistry: Olivine (6.4-6.5, FeO/MnO = 13-15, N = 5), orthopyroxene (Fs2.3-4.1Wo1.3-2.4, FeO/MnO = 3-5, N = 5), clinopyroxene (Fs1.9-2.6Wo46.4-43.5, FeO/MnO = 5, N = 3). Classification: Lodranite. Specimens: 20.2 g including one polished thin section at UWB; remainder with DPitt. | ||||||||||||||||||||||||||||||
Data from: MB109 Table 0 Line 0: |
|
||||||||||||||||||||||||||||||
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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
| ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
This lists the most popular meteorites among people who looked up this meteorite.
| ||||||||||||||||||||||||||||||
Revision history: |
This lists important revisions made to data for this record.
|