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Northwest Africa 2418
Basic information Name: Northwest Africa 2418
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 2418
Observed fall: No
Year found: 2010
Country: Morocco
Mass:help 890 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H5
Recommended:  H5    [explanation]

This is 1 of 9639 approved meteorites (plus 16 unapproved names) classified as H5.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 27 May 2015
Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Tucson
Date:P 2010
Mass (g):890
Pieces:1
Class:H5
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):18.6±0.4 (n=14)
Ferrosilite (mol%):16.6±0.4 (n=9)
Wollastonite (mol%):1.2±0.1 (n=9)
Classifier:A. Rubin, UCLA
Type spec mass (g):24
Type spec location:UCLA
Main mass:Nicholas Gessler
Comments:Irregular, 85% fusion crusted. This rock appears to have been previously shocked to S4; it contains rapidly cooled metal-troilite assemblages. It must have then been annealed.; submitted by Nicholas Gessler
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)
Gessler: Nicholas Gessler, 2010 Calgary Lane, Los Angeles, CA 90077, United States (private address; updated 7 Jul 2016)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
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Geography:

Morocco
Coordinates:Unknown.

Statistics:
     This is 1 of 1390 approved meteorites from Morocco (plus 16 unapproved names) (plus 1 impact crater)

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