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Northwest Africa 8240
Basic information Name: Northwest Africa 8240
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8240
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 55.1 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  EL6
Recommended:  EL6    [explanation]

This is 1 of 120 approved meteorites classified as EL6.   [show all]
Search for other: EL chondrites, Enstatite chondrites, Enstatite chondrites (type 4-7), and Enstatite-rich meteorites
Comments: Approved 24 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8240 (NWA 8240)

(Northwest Africa)

Purchased: Sept 2013

Classification: Enstatite chondrite (EL6)

Petrography: The meteorite displays a fine-grained, recrystallized texture of predominantly enstatite. Minor phases include alabandite, schreibersite, and daubreelite. No chondrules were found. Metal is completely altered to Fe-oxides and -hydroxides. The presence of alabandite suggests EL classification.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Erfoud, Morocco
Date:P Sept 2013
Mass (g):55.1
Pieces:1
Class:EL6
Shock stage:S1
Weathering grade:W4
Ferrosilite (mol%):1.5
Wollastonite (mol%):0.7
Classifier:A. Greshake, MNB
Type spec mass (g):13.0
Type spec location:MNB
Main mass:Hanno Strufe
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum f├╝r Naturkunde, Invalidenstra├če 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/full
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7374 approved meteorites from (Northwest Africa) (plus 1957 unapproved names)

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