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Northwest Africa 7936 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7936 This is an OFFICIAL meteorite name. Abbreviation: NWA 7936 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: 1300 g | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 848 approved meteorites (plus 2 unapproved names) classified as L3. [show all] Search for other: L chondrites, L chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3) | ||||||||||||||||||||||||||||||
Comments: | Approved 30 Dec 2013 | ||||||||||||||||||||||||||||||
Writeup |
Writeup from MB 102:
Northwest Africa 7936 (NWA 7936) (Northwest Africa) Purchased: 2012 Classification: Ordinary chondrite (L3) History: Purchased by Ali and Mohammed Hmani in 2012 from a dealer in Morocco. Petrography: (A. Irving and S. Kuehner, UWS) Medium to large (0.4-2.3 mm), well-formed chondrules. Olivine, orthopyroxene, pigeonite, augite, sodic plagioclase, chromite, stained kamacite and troilite. Geochemistry: Olivine (Fa1.4-76.8; Cr2O3 in ferroan examples is 0.06-0.83 wt.%, mean 0.23±0.22 wt.%, N = 14), orthopyroxene (Fs1.0-43.8Wo0.9-2.8), pigeonite (Fs18.2Wo22.1), augite (Fs8.5Wo41.9). Classification: Ordinary chondrite (L3.15). Estimation of subtype based Cr2O3 distribution in ferroan olivine per Fig. 15a of Grossman and Brearley (2005). Specimens: 20.1 g and one polished thin section are at UWB. The remainder is held by Hmani. | ||||||||||||||||||||||||||||||
Bibliography: |
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Data from: MB102 Table 0 Line 0: |
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Institutions and collections |
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012) UWB: University of Washington, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023) Hmani: A. Hmani Moroccan Imports, 13 rue Jules Hardouin Mansart, 92600 Asnières, France (private address) |
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Catalogs: |
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References: | Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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Geography: |
Statistics: This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 unapproved names) | ||||||||||||||||||||||||||||||
Also see: |
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Revision history: |
This lists important revisions made to data for this record.
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