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Northwest Africa 3204
Basic information Name: Northwest Africa 3204
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 3204
Observed fall: No
Year found: 2004
Country: (Northwest Africa)
Mass:help 762 g
Classification
  history:
Meteoritical Bulletin:  MB 99  (2011)  Iron, IAB-sHL-an
Recommended:  Iron, IAB-sHL-an    [explanation]

This is the only approved meteorite classified as Iron, IAB-sHL-an.
Search for other: IAB complex irons, Iron meteorites, and Metal-rich meteorites
Comments: Approved 21 Sep 2010
Writeuphelp
Writeup from MB 99:

Northwest Africa 3204 (NWA 3204)

(Northwest Africa)

Find date unknown

Classification: Iron, IAB-sHL-an

Petrography: Meteorite is relatively fresh, has a strange shape, like a 200° arc of a US doughnut. Cut face area is about 9 cm2. A large V-shaped schreibersite has 10 mm and 6 mm arms with thicknesses from 1 to 2 mm. Host has plessitic texture, with sparks and spindles occupying ~60% of the area, dark, matte plessite the remainder; the maximum length and width of spindles is 1, 0.05 mm.

Geochemistry: Co (mg/g) 5.85, Ni (mg/g) 114.8, Ga (µg/g) 34.7, Ge (µg/g) 170, As (µg/g) 25.6, Ir (µg/g) 0.147, Au (µg/g) 2.76.

Submitter: J. T. Wasson, UCLA.

Data from:
  MB99
  Table 0
  Line 0:
Place of purchase:Tucson
Date:unknown
Mass (g):762
Pieces:1
Class:Iron, IAB-sHL-an
Classifier:Wasson
Type spec mass (g):25.9
Type spec location:UCLA
Main mass:Utas
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)
ARC: NASA-Ames Research Center, Moffett Field, California 94035-1000, United States (institutional address; updated 22 May 2012)
Catalogs:
References: Published in Meteoritical Bulletin, No. 99, April 2012, MAPS 47, E1-E52 (2012) [published online only]
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

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

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