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Northwest Africa 8220
Basic information Name: Northwest Africa 8220
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8220
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 509 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H6
Recommended:  H6    [explanation]

This is 1 of 6825 approved meteorites (plus 6 unapproved names) classified as H6.   [show all]
Search for other: H chondrites, H chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 Feb 2015
Writeuphelp
Writeup from MB 104:

Northwest Africa 8220 (NWA 8220)

(Northwest Africa)

Purchased: 2013 Dec

Classification: Ordinary chondrite (H6)

History: Purchased by Adam Aaronson in Temara, Morocco in December 2013.

Petrography: (A. Irving and S. Kuehner, UWS) Mostly recrystallized with rare small chondrule remnants; the specimen is crosscut by subparallel veinlets of goethite.

Geochemistry: Olivine (Fa19.9-20.0, N = 3), orthopyroxene (Fs17.0-17.2Wo1.6-1.4, N = 2), augite (Fs6.5-7.5Wo44.2-44.8, N = 2).

Classification: Ordinary chondrite (H6).

Specimens: 20.1 g including one polished thin section at UWB. The remainder is held by Aaronson.

Data from:
  MB104
  Table 0
  Line 0:
Place of purchase:Temara
Date:P 2013 Dec
Mass (g):509
Pieces:1
Class:H6
Shock stage:S2
Weathering grade:W2/3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1631; 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)
Aaronson: Sahara Overland Ltd., Harhora, Temara, 12000, Morocco (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 104, MAPS 52, 2284, Octover 2017, http://onlinelibrary.wiley.com/doi/10.1111/maps.12930/full
Find references in NASA ADS:
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Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 9699 approved meteorites from (Northwest Africa) (plus 1854 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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