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Northwest Africa 11892 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 11892 This is an OFFICIAL meteorite name. Abbreviation: NWA 11892 Observed fall: No Year found: 2016 Country: (Northwest Africa) Mass: 2.13 kg | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 658 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 3 Aug 2018 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 107:
Northwest Africa 11892 (NWA 11892) (Northwest Africa) Purchased: Nov 2016 Classification: Ureilite Petrography: olivine (80%) with reduced rims, pyroxenes (15%), metal, sulfides, and carbon phases. Metal grains are present in veins and at the edges of olivine, pyroxene, and carbon grains. Olivines are up to 2.5 mm. Graphite and diamond were found. Geochemistry: Mineral Compositions and Geochemistry: Olivine cores, Fa21.6±0.1; rims Fa8.9±3.0. Pyroxenes contain a varied texture with lighter and darker spots, which display differing compositions: brighter Fs8.0±1.8Wo31.9±6.8; darker Fs11.5±2.4Wo7.9±1.6). Classification: Ureilite Specimens: 37.8g including a thin section and polished mount at UWO. | ||||||||||||||||||||||||||||||
Data from: MB107 Table 0 Line 0: |
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Institutions and collections |
UWO: University of Western Ontario, Department of Earth Sciences, BGS 1026, 1151 Richmond St. N, London, Ontario, Canada N6A 5B7, Canada (institutional address; updated 18 Jul 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 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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