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Northwest Africa 12393 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 12393 This is an OFFICIAL meteorite name. Abbreviation: NWA 12393 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 1267 g | ||||||||||||||||||||||||||||||
Classification history: |
This is the only approved meteorite classified as Lunar (olivine gabbronorite). Search for other: Lunar meteorites | ||||||||||||||||||||||||||||||
Comments: | Approved 9 Feb 2019 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 108:
Northwest Africa 12393 (NWA 12393) (Northwest Africa) Purchased: 2016 Classification: Lunar (olivine gabbronorite) History: Purchased from Ahmad Buraga in Morocco, February 22, 2016. Physical characteristics: Single stone, lacking fusion crust. Saw cut reveals a breccia of dark-brown and dark-green clasts with a few, scattered, light-colored, feldspathic fragments. Petrography: (C. Agee, UNM) This meteorite is a chemically equilibrated, fragmental breccia with olivine, augite, low-Ca pyroxene, anorthitic plagioclase, and ubiquitous minor chromite. Following lunar petrologic nomenclature this is an olivine gabbronorite. Geochemistry: (C. Agee, UNM) Olivine Fa 27.2±2.9, n=12; augite Fs14.0±1.4Wo39.8±1.8, Fe/Mn=50±7, n=4; low-Ca pyroxene Fs22.5±1.9Wo5.9±2.1, Fe/Mn=52±3, n=8; plagioclase An96.3±0.9Ab3.5±0.9Or0.2±0.0, n=7. Classification: Lunar (olivine gabbronorite) Specimens: 20.4 g including a probe mount on deposit at UNM, Jay Piatek holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB108 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. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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Geography: |
Statistics: This is 1 of 9589 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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