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| Northwest Africa 6818 | |||||||||||||||||||||||||||||||
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| Basic information | Name: Northwest Africa 6818 This is an OFFICIAL meteorite name. Abbreviation: NWA 6818 Observed fall: No Year found: 2010 Country: Morocco Mass:  132.5 g | ||||||||||||||||||||||||||||||
| Classification history: |
This is 1 of 627 approved meteorites classified as Ureilite. [show all] Search for other: Achondrites, Ureilites | ||||||||||||||||||||||||||||||
| Comments: | Approved 23 Jun 2011 | ||||||||||||||||||||||||||||||
| Writeup |
Writeup from MB 100:
Northwest Africa 6818 (NWA 6818) Morocco Purchased: 2010 Classification: Ureilite Petrography (P. Warren, UCLA): Mode dominated by olivine (~90%) and pigeonite (~5%). Many olivines are elongated and conspicuously aligned. Olivines are up to 4 mm across, but 1-2 mm is more typical for both olivine and pigeonite. Olivine rims contain abundant submicron-sized metals. Geochemistry: Olivine cores are Fo78.7; rims zone to at least Fo93. | ||||||||||||||||||||||||||||||
| Data from: MB100 Table 1 Line 1510: |
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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) |
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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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| Photos: |
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Geography:
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Statistics: This is 1 of 1973 approved meteorites from Morocco (plus 37 unapproved names) (plus 1 impact crater) | ||||||||||||||||||||||||||||||