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| Northwest Africa 721 | |||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 721 This is an OFFICIAL meteorite name. Abbreviation: NWA 721 Observed fall: No Year found: 2001 Country: Morocco Mass:  194 g | ||||||||||||||||||||||||
| Classification history: |
This is 1 of 175 approved meteorites classified as CR2. [show all] Search for other: Carbonaceous chondrites, Carbonaceous chondrites (type 2), and CR chondrites | ||||||||||||||||||||||||
| Comments: | Approved 30 Aug 2011 | ||||||||||||||||||||||||
| Writeup |
Writeup from MB 100:
Northwest Africa 721 (NWA 721) Morocco Purchased: 1 Jan 2001 Classification: Carbonaceous chondrite (CR2) Petrography: Section contains porphyritic and barred olivine chondrules with an average size of 850 μm. There are large metal nodules to 950 μm and smaller metal grains decorating chondrule surfaces. There is minor sulfide. | ||||||||||||||||||||||||
| Data from: MB100 Table 1 Line 1680: |
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| Institutions and collections |
UCLA: Institute of Geophysics and Planetary Physics, University of California, Los Angeles, CA 90095-1567, United States (institutional address; updated 17 Oct 2011) DGregory: David Gregory, 230 First Avenue, Suite 108, St. Thomas, Ontario N5R 4P5, Canada (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
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Geography:
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Statistics: This is 1 of 1670 approved meteorites from Morocco (plus 23 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||