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| Northwest Africa 4226 | |||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 4226 This is an OFFICIAL meteorite name. Abbreviation: NWA 4226 Observed fall: No Year found: 2005 Country: (Northwest Africa) Mass:  617 g | ||||||||||||||||||||||||||
| Classification history: |
This is 1 of 30 approved meteorites classified as H7. [show all] Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7) | ||||||||||||||||||||||||||
| Comments: |
Approved 24 Jul 2007 Revised 31 May 2019: Corrected O isotopes | ||||||||||||||||||||||||||
| Writeup |
Writeup from MB 108:
NWA 4226, correction
The oxygen isotopes in MB92 were incorrect. The actual values are: δ18O = 4.33, 4.95; δ17O = 3.03, 3.33; Δ17O = 0.752, 0.726 (all ‰) | ||||||||||||||||||||||||||
| Data from: MB92 Table 2 Line 14: |
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| Plots: | O isotopes: | ||||||||||||||||||||||||||
| 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) GHupé: Gregory M. Hupé, 9003 Placid Lakes Blvd., Lake Placid, FL 33852, United States; Website (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 92, MAPS 42, 1647-1694 (2007) Published in Meteoritical Bulletin, no. 108 (2020) Meteorit. Planet. Sci. 55, 1146-1150
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| Geography: |
Statistics: This is 1 of 9013 approved meteorites from (Northwest Africa) (plus 1869 unapproved names) | ||||||||||||||||||||||||||