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Northwest Africa 8116
Basic information Name: Northwest Africa 8116
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8116
Observed fall: No
Year found: 2007
Country: (Northwest Africa)
Mass:help 0.48 g
Classification
  history:
Meteoritical Bulletin:  MB 102  (2013)  Martian (shergottite)
Recommended:  Martian (shergottite)    [explanation]

This is 1 of 281 approved meteorites (plus 2 unapproved names) classified as Martian (shergottite).   [show all]
Search for other: Martian meteorites
Comments: Approved 10 Dec 2013
Writeuphelp
Writeup from MB 102:

Northwest Africa 8116 (NWA 8116)

(Northwest Africa)

Purchased: 2007

Classification: Martian meteorite (Shergottite)

History: Purchased in 2007 from Blaine Reed, who acquired the specimen from a Moroccan dealer.

Physical characteristics: A single small stone (0.48 g) with partial fusion crust.

Petrography: (A. Irving and S. Kuehner, UWS) Composed mainly of zoned clinopyroxene and plagioclase (maskelynite) with accessory ulvöspinel, ilmenite, pyrrhotite and K-rich glass. Ulvöspinel grains contain melt inclusions surrounded by radial fractures.

Geochemistry: Subcalcic augite (Fs23.6-41.2Wo33.2-27.0; FeO/MnO = 29-35), pigeonite (Fs 56.0-58.0Wo14.6-13.9; FeO/MnO = 32-36).

Classification: Martian (shergottite). Paired with NWA 2975 and numerous paired stones.

Specimens: The entire specimen is held by PSF.

Data from:
  MB102
  Table 0
  Line 0:
Place of purchase:Delta, Colorado
Date:P 2007
Mass (g):0.48
Pieces:1
Class:Martian (shergottite)
Shock stage:low
Weathering grade:low
Ferrosilite (mol%):23.1-41.2; 56.0-58.0
Wollastonite (mol%):33.2-27.0; 14.6-13.9
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):0.48
Type spec location:PSF
Main mass:PSF
Comments: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)
Reed: Blaine Reed, P.O. Box 1141, Delta, CO 81416, United States; Website (private address)
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 8559 approved meteorites from (Northwest Africa) (plus 1896 unapproved names)

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