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Northwest Africa 8118
Basic information Name: Northwest Africa 8118
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8118
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 955 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Lodranite
Recommended:  Lodranite    [explanation]

This is 1 of 80 approved meteorites classified as Lodranite.   [show all]
Search for other: Acapulcoite-lodranite family, Lodranites, and Primitive achondrites
Comments: Approved 14 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8118 (NWA 8118)

(Northwest Africa)

Purchased: 2013 Sep

Classification: Primitive achondrite (Lodranite)

History: Purchased in September 2013 by Sergey Vasiliev and Marc Jost from a dealer in Ouarzazate, Morocco.

Physical characteristics: A single breccia stone (955 g) containing prominent green clinopyroxene grains and stained kamacite.

Petrography: (A. Irving and S. Kuehner, UWS) Fragmental breccia composed of mineral clasts (up to 2.8 mm) of olivine, orthopyroxene, polysynthetically-twinned clinopyroxene, troilite, stained metal, Cr-rich chromite, rare merrillite, and some composite metal grains consisting of finely intergrown kamacite+taenite+plessite).

Geochemistry: Olivine (Fa11.6-11.8; FeO/MnO = 22-27), orthopyroxene (Fs10.4-12.0Wo2.7-1.7; FeO/MnO = 14-15), clinopyroxene (Fs4.4-5.1Wo44.3-43.1; FeO/MnO = 10-12).

Classification: Lodranite breccia.

Specimens: 27 g including a polished thin section at UWB. The remainder is held jointly by Mr. S. Vasiliev and Mr. M. Jost.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Ouarzazate
Date:P 2013 Sep
Mass (g):955
Pieces:1
Class:Lodranite
Shock stage:low
Weathering grade:low
Fayalite (mol%):11.6-11.8
Ferrosilite (mol%):10.4-12.0; 4.4-5.1
Wollastonite (mol%):2.7-1.7; 44.3-43.1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):27
Type spec location:UWB
Main mass:S. Vasiliev & M. Jost
Comments:SVMJ01; submitted by A. Irving
Institutions
   and collections
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
UWB: University of Washington, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Alessandro Takeda   
steve sutton   
Wang Ziyao      
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7187 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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