![]() |
||
|
Northwest Africa 13225 | |||||||||||||||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Basic information | Name: Northwest Africa 13225 This is an OFFICIAL meteorite name. Abbreviation: NWA 13225 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 214 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 5 Apr 2020 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 109:
Northwest Africa 13225 (NWA 13225) (Northwest Africa) Purchased: 2015 Classification: Lunar meteorite (feldspathic breccia) History: Purchased by Mohammed Hmani in 2015 from a dealer in Erfoud, Morocco. Petrography: (A. Irving, UWS and P. Carpenter, WUSL) Breccia composed of mineral clasts of calcic plagioclase (including anorthite), orthopyroxene, pigeonite, subcalcic augite and rare olivine (< 2 vol.%) set in a finer grained matrix containing the same minerals plus kamacite, ilmenite and troilite. Rare olivine-free diabasic lithic clasts and glass fragments are present. Geochemistry: Anorthite (An95.4-97.8Or0.1, N = 3), plagioclase (An87.0Or0.1), orthopyroxene (Fs17.6-23.3Wo2.9-3.1, FeO/MnO = 47-55, N = 2), pigeonite (Fs25.3Wo8.9, FeO/MnO = 47), subcalcic augite (Fs12.1-27.0Wo34.2-34.4, FeO/MnO = 40-57, N = 2), olivine (Fa37.1; Fa58.2; FeO/MnO = 94-99; N = 2). Classification: Lunar (feldspathic breccia). Specimens: 20.4 g including one polished mount at UWB; remainder with Mr. M. Hmani. | ||||||||||||||||||||||||||||||
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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address) |
||||||||||||||||||||||||||||||
Catalogs: |
| ||||||||||||||||||||||||||||||
References: | Published in Meteoritical Bulletin, no. 109, in preparation (2020)
| ||||||||||||||||||||||||||||||
Geography: |
Statistics: This is 1 of 7579 approved meteorites from (Northwest Africa) (plus 1969 unapproved names) |