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Northwest Africa 8117
Basic information Name: Northwest Africa 8117
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8117
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 2.41 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Eucrite
Recommended:  Eucrite    [explanation]

This is 1 of 442 approved meteorites (plus 1 unapproved name) classified as Eucrite.   [show all]
Search for other: Achondrites, Eucrites, and HED achondrites
Comments: Approved 10 Dec 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 8117 (NWA 8117)

(Northwest Africa)

Purchased: 2013 May

Classification: HED achondrite (Eucrite)

History: Purchased by Alexandre Debienne in May 2013 from a dealer in Agadir, Morocco as a possible paired stone to NWA 7931.

Physical characteristics: A single small stone (2.41 g) lacking fusion crust.

Petrography: (A. Irving and S. Kuehner, UWS) Breccia consisting of numerous small mineral clasts in a finer matrix. Minerals are exsolved pigeonite, calcic plagioclase, silica polymorph, ilmenite and troilite.

Geochemistry: Host orthopyroxene (Fs60.9-61.5Wo2.1-2.0; FeO/MnO = 29-30), clinopyroxene exsolution lamellae (Fs26.2-26.5Wo43.1-44.0 FeO/MnO = 32).

Classification: Eucrite breccia.

Specimens: The entire stone is at PSF.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2013 May
Mass (g):2.41
Pieces:1
Class:Eucrite
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):60.9-61.5; 26.2-26.5
Wollastonite (mol%):2.1-2.0; 43.1-44.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):2.41
Type spec location:PSF
Main mass:PSF
Comments:AD13201B; submitted by P. Sipiera
Institutions
   and collections
PSF: Planetary Studies Foundation,10 Winterwood Lane, Unit B, Galena, Illinois 61036-9283, United States; Website (institutional address; updated 1 Dec 2011)
UWS: University of Washington, Department of Earth and Space Sciences, 70 Johnson Hall, Seattle, WA 98195, United States (institutional address; updated 15 Jan 2012)
Catalogs:
References: Published in Meteoritical Bulletin, no. 102, MAPS 50, 1662, September 2015
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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