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| Northwest Africa 4701 | |||||||||||||||||||||
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| Basic information | Name: Northwest Africa 4701 This is an OFFICIAL meteorite name. Abbreviation: NWA 4701 Observed fall: No Year found: 2007 Country: (Northwest Africa) Mass:  1276 g | ||||||||||||||||||||
| Classification history: |
This is 1 of 82 approved meteorites (plus 1 unapproved name) classified as Iron, IAB complex. [show all] Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites | ||||||||||||||||||||
| Comments: | Approved 21 Sep 2010 | ||||||||||||||||||||
| Writeup |
Writeup from MB 99:
Northwest Africa 4701 (NWA 4701) (Northwest Africa) Purchased: 2007 Classification: Iron meteorite (IAB complex) Physical characteristics: A weathered, but slow to rust sample (top and bottom faces each ~4x5 cm) with total area of about 35 cm2. Petrography: Ataxite; no octahedral pattern but a fine pattern is visible at high magnification. One 4 mm schreibersite observed. Geochemistry: Co (mg/g) 6.07, Ni (mg/g) 169.3, Ga (µg/g) 8.8, Ge (µg/g) <80, As (µg/g) 34.1, Ir (µg/g) 0.0190, Au (µg/g) 3.20. 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 9429 approved meteorites from (Northwest Africa) (plus 1876 unapproved names) | ||||||||||||||||||||