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Northwest Africa 8412
Basic information Name: Northwest Africa 8412
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8412
Observed fall: No
Year found: 2014
Country: (Northwest Africa)
Mass:help 200 kg
Classification
  history:
Meteoritical Bulletin:  MB 103  (2014)  L5
Recommended:  L5    [explanation]

This is 1 of 8891 approved meteorites (plus 5 unapproved names) classified as L5.   [show all]
Search for other: L chondrites, L chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 20 Nov 2014
Writeuphelp
Writeup from MB 103:

Northwest Africa 8412 (NWA 8412)

(Northwest Africa)

Purchased: 2014 Mar

Classification: Ordinary chondrite (L5)

History: Purchased by Mohamed Aid in Ouarzazate, Morocco, in March 2014.

Petrography: (A. Irving and S. Kuehner, UWS) Mostly recrystallized but sparse chondrules are present. Olivine in particular is not translucent but distinctly cloudy in transmitted light, implying modification by shock.

Geochemistry: Olivine (Fa24.6-24.9, N = 3), orthopyroxene (Fs19.7-20.1Wo1.6-1.7, N = 3), clinopyroxene (Fs7.8-8.3Wo44.3-43.2).

Classification: Ordinary chondrite (L5).

Specimens: 75 g including one polished thin section at UWB. The remainder is held by M. Aid.

Data from:
  MB103
  Table 0
  Line 0:
Place of purchase:Ouarzazate
Date:P 2014 Mar
Mass (g):200000
Pieces:many
Class:L5
Shock stage:S4
Weathering grade:W1
Fayalite (mol%):24.6-24.9
Ferrosilite (mol%):19.7-20.1
Wollastonite (mol%):1.6-1.7
Magnetic suscept.:M151
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):75
Type spec location:UWB
Main mass:M. Aid
Comments:M151; 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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