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Northwest Africa 4711
Basic information Name: Northwest Africa 4711
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 4711
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 394 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Iron, IAB-sHL
Recommended:  Iron, IAB-sHL    [explanation]

This is 1 of 19 approved meteorites classified as Iron, IAB-sHL.   [show all]
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 21 Sep 2010
Writeuphelp
Writeup from MB 99:

Northwest Africa 4711 (NWA 4711)

(Northwest Africa)

Purchased: 2007

Classification: Iron meteorite (IAB-sHL)

Petrography: Relatively fresh looking with pronounced octahedrite structure; kamacite bandwidth of 1.2±0.2 mm places it near the Om-Og boundary. Bands irregularly swollen but no interior inclusions were recognized. Smaller kamacites densely decorated with Neumann lines. Larger kamacites show granulation. Schreibersite and FeS not identified.

Geochemistry: Co (mg/g) 5.26, Ni (mg/g) 107.3, Ga (µg/g) 21.3, Ge (µg/g) <50, As (µg/g) 20.4, Ir (µg/g) 0.429, Au (µg/g) 2.34.

Submitter: J. T. Wasson, UCLA.

Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2007
Mass (g):394
Pieces:1
Class:Iron, IAB-sHL
Classifier:Wasson
Type spec mass (g):32
Type spec location:UCLA
Main mass:Birdsell
Comments:Submitted by Wasson
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)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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