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Northwest Africa 10546 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 10546 This is an OFFICIAL meteorite name. Abbreviation: NWA 10546 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 291 approved meteorites classified as Lunar (feldsp. breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 27 Feb 2016 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 105:
Northwest Africa 10546 (NWA 10546) (Northwest Africa) Purchased: 2015 Nov Classification: Lunar meteorite (feldspathic breccia) History: Purportedly found near the border between Mauritania and Mali. Purchased by Pierre-Marie Pelé in November 2015 from a dealer in Ouarzazate, Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia composed of mineral clasts of anorthite, olivine, pigeonite, augite, subcalcic augite, silica polymorph, ilmenite (with inclusions of baddeleyite), Ti-Al-chromite and rare zircon. Microbubbles are present in parts of the finer grained matrix along with minor secondary barite. Geochemistry: Olivine (Fa23.1-39.3; Fa86.9; FeO/MnO = 83-95; N = 4), pigeonite (Fs21.7Wo13.9; Fs54.2Wo21.9; FeO/MnO = 52-65; N = 2), augite (Fs13.0Wo37.8, FeO/MnO = 39), subcalcic augite (Fs32.8Wo31.9, FeO/MnO = 49), ferroan augite (Fs51.5Wo40.5, FeO/MnO = 72), plagioclase (An90.3-93.3Or0.4-0.1, N = 2). Classification: Lunar (feldspathic breccia). Specimens: A 9.72 g polished endcut piece is at PSF; remainder with Mr. P. Pelé. | ||||||||||||||||||||||||||||||
Data from: MB105 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. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
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Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) |