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Northwest Africa 11966 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11966 This is an OFFICIAL meteorite name. Abbreviation: NWA 11966 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 211 approved meteorites classified as Lunar (Feldsp. Breccia). [show all] Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 23 Sep 2018 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 107:
Northwest Africa 11966 (NWA 11966) (Northwest Africa) Purchased: 2015 Classification: Lunar meteorite (feldspathic breccia) History: Purchased by Jay Piatek on April 27, 2015 from a Moroccan meteorite dealer. Physical characteristics: Single stone, fresh fusion-crusted exterior. A saw cut reveals a fragmental breccia with many white feldspathic clasts and a large lithic clast set in a dark-gray groundmass. Petrography: (C. Agee, UNM) This meteorite is a breccia of fragmental pyroxene, olivine, plagioclase grains. There are many domains that are fine-grained and cataclastic with shock melt and vesicles. Geochemistry: (C. Agee, UNM) olivine Fa35.8±5.0, Fe/Mn=98±11, n=10; pigeonite Fs33.6±5.3Wo12.6±6.8, Fe/Mn=58±3, n=8; augite Fs29.0±2.9Wo34.8±4.3, Fe/Mn=57±1, n=2; plagioclase An96.4±0.9, n=7; Shock melt (20 μm defocused electron beam, proxy for bulk meteorite composition): SiO2=43.4±0.4, TiO2=0.18±0.06, Al2O3=31.0±1.2, Cr2O3=0.06±0.03, MgO=3.0±0.6, FeO=3.6±0.8, MnO=0.05±0.03, CaO=17.5±0.5, Na2O=0.35±0.04, K2O=0.07±0.02 (all wt%), n=7. Classification: Lunar feldspathic breccia Specimens: 20.1 g including a probe mount on deposit at UNM, Jay Piatek holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
UNM: Institute of Meteoritics
MSC03 2050
University of New Mexico
Albuquerque NM 87131-1126
USA, United States; Website (institutional address; updated 12 Feb 2015) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 107, MAPS 55, 460-462
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Geography: |
Statistics: This is 1 of 7543 approved meteorites from (Northwest Africa) (plus 1973 unapproved names) |