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| Northwest Africa 4702 | |||||||||||||||||||||
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| Basic information | Name: Northwest Africa 4702 This is an OFFICIAL meteorite name. Abbreviation: NWA 4702 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass:  123 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 145 approved meteorites (plus 1 unapproved name) classified as Iron, ungrouped. [show all] Search for other: Iron meteorites, Metal-rich meteorites, and Ungrouped irons | ||||||||||||||||||||
| Comments: | Approved 21 Sep 2010 | ||||||||||||||||||||
| Writeup |
Writeup from MB 99:
Northwest Africa 4702 (NWA 4702) (Northwest Africa) Purchased: 2007 Classification: Iron meteorite (ungrouped) Petrography: A fresh looking sample; no octahedral pattern visible; thus an ataxite. On a deeply etched surface are fine, quasi-straight lines 0.05 to 0.1 mm long, 0.005 mm wide. They do not seem to be regularly oriented. These could be artifacts produced by the surface preparation. Geochemistry: Co (mg/g) 4.37, Ni (mg/g) 54.3, Ga (µg/g) 44.6, Ge (µg/g) 110, As (µg/g) 6.00, Ir (µg/g) 0.093, Au (µg/g) 0.70. Submitter: J. T. Wasson, UCLA. | ||||||||||||||||||||
| Data from: MB99 Table 0 Line 0: |
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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) Birdsell: Arizona Skies Meteorites, P.O. Box 2412, Flagstaff, AZ 86003, United States; Website (private address) |
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| Catalogs: |
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| References: | Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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| Geography: |
Statistics: This is 1 of 8904 approved meteorites from (Northwest Africa) (plus 1871 unapproved names) | ||||||||||||||||||||