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Northwest Africa 6227
Basic information Name: Northwest Africa 6227
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6227
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 564 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  H3
Recommended:  H3    [explanation]

This is 1 of 594 approved meteorites (plus 2 unapproved names) classified as H3.   [show all]
Search for other: H chondrites, H chondrites (type 3), Ordinary chondrites, and Ordinary chondrites (type 3)
Comments: Approved 24 Oct 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6227 (NWA 6227)

(Northwest Africa)

Purchased: 2009

Classification: Ordinary chondrite (H3)

Geochemistry: (A. Irving and S. Kuehner, UWS): Olivine, Fa2.4-25.3. Three pyroxenes were observed: Fs6.0Wo0.3, Fs23.6Wo9.0, and Fs0.8-18.4Wo39.6-26.4. Cr2O3 in ferroan olivine: 0.02-0.08 wt.%  Estimated subtype 3.5.

Data from:
  MB100
  Table 1
  Line 1312:
Origin or pseudonym:Northwest Africa
Place of purchase:Midelt
Date:P 2009
Mass (g):564
Pieces:1
Class:H3
Shock stage:S2
Weathering grade:W1
Fayalite (mol%):2.4-25.3
Ferrosilite (mol%):6.0
Wollastonite (mol%):0.3
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):22
Type spec location:UWS
Main mass:D. Bowers
Finder:DB10-3
Comments: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)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
Find references in Google Scholar:
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 7009 approved meteorites from (Northwest Africa) (plus 2002 unapproved names)

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