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Northwest Africa 8172
Basic information Name: Northwest Africa 8172
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8172
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 334 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 660 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 14 Feb 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8172 (NWA 8172)

(Northwest Africa)

Purchased: 2013 Sep

Classification: Ureilite

History: Purchased in September 2013 by Gary Fujihara from a dealer in Agadir, Morocco.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of olivine and pigeonite. Grain boundary regions have distinctive dark, reduced, metal-rich zones.

Geochemistry: Olivine (cores Fa24.1; reduced rims Fa12.0), pigeonite (Fs19.6-19.7Wo7.6-8.0).

Classification: Ureilite.

Specimens: 20.4 g including a polished slice at UWB. The remainder is held by Mr. G. Fujihara.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Agadir
Date:P 2013 Sep
Mass (g):334
Pieces:2
Class:Ureilite
Shock stage:moderate
Weathering grade:low
Fayalite (mol%):24.1; 12.0
Ferrosilite (mol%):19.6-19.7
Wollastonite (mol%):7.6-8.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.4
Type spec location:UWB
Main mass:G. Fujihara
Comments:GF13-11; 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, Burke Museum of Natural History and Culture, Box 353010 Seattle, WA 98195, United States (institutional address; updated 9 Oct 2023)
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 9710 approved meteorites from (Northwest Africa) (plus 1853 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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