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Northwest Africa 8407
Basic information Name: Northwest Africa 8407
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8407
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 445 g
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  Ureilite
Recommended:  Ureilite    [explanation]

This is 1 of 658 approved meteorites classified as Ureilite.   [show all]
Search for other: Achondrites, Ureilites
Comments: Approved 25 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8407 (NWA 8407)

(Northwest Africa)

Purchased: 2013 Jun

Classification: Ureilite

History: Purchased in June 2013 by Marc Jost from a Moroccan dealer at the Ensisheim Show.

Petrography: (A. Irving and S. Kuehner, UWS) Protogranular aggregate of olivine with thick, dark reduced rims and pigeonite.

Geochemistry: Olivine (cores Fa22.2-22.3, N = 2; rim Fa1.7), pigeonite (Fs17.2-17.5Wo10.4-10.3, N = 3).

Classification: Ureilite.

Specimens: 22.1 g including one polished thin section at UWB. The remainder is held by SJS.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Ensisheim
Date:P 2013 Jun
Mass (g):445
Pieces:1
Class:Ureilite
Shock stage:high
Weathering grade:low
Fayalite (mol%):22.2-22.3
Ferrosilite (mol%):17.2-17.5
Wollastonite (mol%):10.4-10.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22.1
Type spec location:UWB
Main mass:M. Jost
Comments:SJS 13002; 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)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 103, MAPS 52, 1014, May 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12888/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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