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Northwest Africa 2311
Basic information Name: Northwest Africa 2311
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2311
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 1435 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Iron, IAB-sLL
Recommended:  Iron, IAB-sLL    [explanation]

This is 1 of 34 approved meteorites classified as Iron, IAB-sLL.   [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 2311 (NWA 2311)

(Northwest Africa)

Found: 2004

Classification: Iron meteorite (IAB-sLL)

Petrography: Relatively unweathered. Tiny schreibersite bands mark edges of some kamacites and intersections between crossing bands. No FeS is visible. Most plessite fields are dark, matte. One slice contains a centimeter-sized angular silicate clast.

Geochemistry: Co (mg/g) 4.87, Ni (mg/g) 97.8, Ga (µg/g) 61.8, Ge (µg/g) 206, As (µg/g) 15.9, Ir (µg/g) 1.64, Au (µg/g) 1.78.

Submitter: J. T. Wasson, UCLA.

Data from:
  MB99
  Table 0
  Line 0:
Date:2004
Mass (g):1435
Pieces:1
Class:Iron, IAB-sLL
Classifier:Wasson
Type spec mass (g):55.6
Type spec location:UCLA
Main mass:HallF
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)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7035 approved meteorites from (Northwest Africa) (plus 2000 unapproved names)

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