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Northwest Africa 7473 | |||||||||||||||||||||||||||||||
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Basic information | Name: Northwest Africa 7473 This is an OFFICIAL meteorite name. Abbreviation: NWA 7473 Observed fall: No Year found: 2012 Country: (Northwest Africa) Mass: ![]() | ||||||||||||||||||||||||||||||
Classification history: |
This is 1 of 605 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
Comments: | Approved 3 Jun 2013 | ||||||||||||||||||||||||||||||
Writeup![]() |
Writeup from MB 102:
Northwest Africa 7473 (NWA 7473) (Northwest Africa) Purchased: 2012 Aug Classification: Ureilite History: Purchased in Temara, Morocco by Adam Aaronson in August 2012. Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of olivine and pigeonite. Fine-grained metal occurs within the reduced rims of olivine grains. Geochemistry: Olivine (cores Fa22.3-22.4; Cr2O3 = 0.75 wt.%; rims Fa7.5; Cr2O3 = 0.63 wt.%), pigeonite (Fs17.9-18.3Wo6.9-6.6). Classification: Ureilite Specimens: 20.4 g of sample and one polished thin section are on deposit at UWB. Aaronson holds the main mass. | ||||||||||||||||||||||||||||||
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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012) Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010) |
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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 8495 approved meteorites from (Northwest Africa) (plus 1899 unapproved names) |