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Northwest Africa 8227
Basic information Name: Northwest Africa 8227
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 8227
Observed fall: No
Year found: 2013
Country: (Northwest Africa)
Mass:help 153 g
Classification
  history:
Meteoritical Bulletin:  MB 104  (2015)  H4
Recommended:  H4    [explanation]

This is 1 of 6029 approved meteorites (plus 11 unapproved names) classified as H4.   [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 8227 (NWA 8227)

(Northwest Africa)

Purchased: 2013 Dec

Classification: Ordinary chondrite (H4)

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

Petrography: (A. Irving and S. Kuehner, UWS) Well-developed chondrules in a matrix rich in stained metal. Most chondrules are relatively small, but some have diameters up to 3 mm.

Geochemistry: Olivine (Fa19.4-19.5, N = 3), orthopyroxene (Fs17.1-17.4Wo0.9-1.0, N = 2), augite (Fs5.3-6.5Wo47.1-46.3, N = 2).

Classification: Ordinary chondrite (H4).

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):153
Pieces:1
Class:H4
Shock stage:S2
Weathering grade:W1
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):20.1
Type spec location:UWB
Main mass:A. Aaronson
Comments:M1643; 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, Box 353010 Seattle, WA 98195, United States (institutional address; updated 27 Jul 2012)
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:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7912 approved meteorites from (Northwest Africa) (plus 1974 unapproved names)

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