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Northwest Africa 11903 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11903 This is an OFFICIAL meteorite name. Abbreviation: NWA 11903 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 8 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 24 Jul 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11903 (NWA 11903) (Northwest Africa) Purchased: 2016 Classification: Ordinary chondrite (H6) History: Purchased by Dustin Dickens from Fyssal Mesgouri in Agadir, Morocco. Physical characteristics: Weathered exterior. Saw cut reveals an interior with many small opaque grains and a few faint chondrules set in a dark, reddish-brown groundmass. Petrography: (C. Agee, UNM) Faint, texturally equilibrated chondrules present, abundant Fe-Ni metal and sulfide throughout, plagioclase up to 150 μm. Geochemistry: (C. Agee, UNM) Olivine Fa19.2±0.1, Fe/Mn=38±1, n=7; low-Ca pyroxene Fs17.0±0.2Wo1.3±0.3, Fe/Mn=22±1, n=7. Classification: Ordinary chondrite, H6 Specimens: 25 g including a probe mount on deposit at UNM, Dustin Dickens 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 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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