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Northwest Africa 10477
Basic information Name: Northwest Africa 10477
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 10477
Observed fall: No
Year found: 2015
Country: (Northwest Africa)
Mass:help 96 g
Classification
  history:
Meteoritical Bulletin:  MB 105  (2016)  EL6
Recommended:  EL6    [explanation]

This is 1 of 133 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 13 Apr 2016
Writeuphelp
Writeup from MB 105:

Northwest Africa 10477 (NWA 10477)

(Northwest Africa)

Purchased: 2015

Classification: Enstatite chondrite (EL6)

History: The meteorite was purchased from the Moroccan meteorite dealer Hamza Lharbi.

Petrography: The meteorite dominantly consists of large, about 100 μm sized enstatite grains, less abundant albitic feldspar, troilite, alabandite and daubreelite. No relict chondrules were observed; metal is completely altered to iron oxides.

Classification: Although the metal is completely altered and the Si-content cannot be determined, the presence of alabandite strongly argues for EL (see e.g., Lin Y. and El Goresy A., 2002).

Bibliography:
  • Lin Y. and El Goresy A. (2002) A comparative study of opaque phases in Qingzhen (EH3) and MacAlpine Hills 88136 (EL3): representatives of EH and EL parent bodies. Meteorit. Planet. Sci. 37, 577–599 (link)
Data from:
  MB105
  Table 0
  Line 0:
Place of purchase:Morocco
Date:P 2015
Mass (g):96
Pieces:1
Class:EL6
Shock stage:S2
Weathering grade:W3
Ferrosilite (mol%):0.5±0.2 (0.2-0.9, n=22)
Wollastonite (mol%):1.4±0.1 (1.4-1.5, n=22)
Classifier:A. Greshake, MNB
Type spec mass (g):20.3
Type spec location:MNB
Main mass:Philippe Schmitt-Kopplin
Comments:Submitted by Ansgar Greshake
Institutions
   and collections
MNB: Museum für Naturkunde, Invalidenstraße 43, D-10115 Berlin, Germany (institutional address; updated 24 Dec 2011)
Catalogs:
References: Published in Meteoritical Bulletin, no. 105, MAPS 52, 2411, September 2017. http://onlinelibrary.wiley.com/doi/10.1111/maps.12944/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9627 approved meteorites from (Northwest Africa) (plus 1865 unapproved names)
Also see:
  This lists the most popular meteorites among people who looked up this meteorite.
Revision
  history:
  This lists important revisions made to data for this record.

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