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Northwest Africa 11177 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11177 This is an OFFICIAL meteorite name. Abbreviation: NWA 11177 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 17.86 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 6775 approved meteorites (plus 6 unapproved names) classified as H6. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||||||
Comments: | Approved 21 Feb 2017 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 106:
Northwest Africa 11177 (NWA 11177) (Northwest Africa) Purchased: 2016 Classification: Ordinary chondrite (H6) History: Purchased from Moroccan dealer in Denver. Physical characteristics: Single stone with weathered fusion crust, some patches of reddish-orange oxidation present. A saw cut shows abundant metal/sulfide grains set in a dark-colored matrix. Petrography: (C. Agee, UNM) This meteorite consists primarily of faint, equilibrated chondrules and recrystallized olivines and pyroxenes. Plagioclase grains up to 150 μm were observed. Geochemistry: (C. Agee and B. Ha, UNM) Olivine Fa19.1±0.1, Fe/Mn=38±3, n=7; low-Ca pyroxene Fs16.8±0.1Wo1.6±0.1, Fe/Mn=22±1, n=7. Classification: Ordinary chondrite (H6) Specimens: 20 g including a probe mount on deposit at UNM, DPitt 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) DPitt: Darryl Pitt, 225 West 83rd Street, New York, NY 10024, United States; Website (private address) |
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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 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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