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Northwest Africa 11184 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11184 This is an OFFICIAL meteorite name. Abbreviation: NWA 11184 Observed fall: No Year found: 2015 Country: (Northwest Africa) Mass: 83 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 451 approved meteorites classified as Howardite. [show all] Search for other: Achondrites, HED achondrites, and Howardites | ||||||||||||||||||||||||||||||
Comments: | Approved 28 Mar 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11184 (NWA 11184) (Northwest Africa) Purchased: 2015 Classification: HED achondrite (Howardite) History: Purchased by Larry Atkins from Morocco in December 2015. Physical characteristics: Single stone, no fusion crust. A saw cut reveals a breccia with green, white, and dark-gray clasts. Petrography: (C. Agee, UNM) This meteorite is a polymict breccia consisting of ~75% diogenitic material and ~25% eucritic material, mostly in the form of cumulate eucrite clasts 500-1500 μm. Accessory kamacite, chromite and ilmenite are present. Geochemistry: (C. Agee and B. Ha, UNM) diogenite olivine Fa38.7±4.0, Fe/Mn=52±1, n=3; diogenite low Ca pyroxene Fs22.2±1.3Wo1.9±0.7, Fe/Mn=30±0, n=3; eucrite pigeonite Fs52.6±5.7Wo11.1±8.2, Fe/Mn=30±2, n=4; plagioclase An89.0±0.6Ab10.5±0.6Or0.5±0.1, n=4. Classification: Howardite Specimens: 16.8 g including a probe mount on deposit at UNM, Larry Atkins holds the main mass. | ||||||||||||||||||||||||||||||
Data from: MB106 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 Gattacceca J., Bouvier A., Grossman J., Metzler K., and Uehara M. (2019) Meteoritical Bulletin, no. 106. Meteorit. Planet. Sci. 54 in press.
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Geography: |
Statistics: This is 1 of 9710 approved meteorites from (Northwest Africa) (plus 1853 unapproved names) | ||||||||||||||||||||||||||||||
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Revision history: |
This lists important revisions made to data for this record.
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