header
  MetSoc Home            Publications            Contacts  
Search the Meteoritical Bulletin Database
Last update: 16 Nov 2019
Search for: Search type: Search limits: Display: Publication:
Names
Text help
Places
Classes
Years
Contains
Starts with
Exact
Sounds like
NonAntarctic
Falls  Non-NWAs
What's new
  in the last:
Limit to approved meteorite names
Search text:  
Northwest Africa 6228
Basic information Name: Northwest Africa 6228
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6228
Observed fall: No
Year found: 2003
Country: (Northwest Africa)
Mass:help 478 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 6228 (NWA 6228)

(Northwest Africa)

Purchased: 2003

Classification: Ordinary chondrite (H3)

Geochemistry: (A. Irving and S. Kuehner, UWS): Olivine, Fa8.7-31.8. Three pyroxenes were observed: Fs6.5-29.9Wo0.3-3.5, Fs9.8Wo17.7, and Fs2.5Wo43.4. Cr2O3 in ferroan olivine: 0.01-0.04 wt.%. Estimated subtype 3.6.

Data from:
  MB100
  Table 1
  Line 1313:
Origin or pseudonym:Northwest Africa
Place of purchase:Midelt
Date:P 2003
Mass (g):478
Pieces:2
Class:H3
Shock stage:S2
Weathering grade:W2/3
Fayalite (mol%):8.7-31.8
Ferrosilite (mol%):6.5-29.9
Wollastonite (mol%):0.3-3.5
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):28
Type spec location:UWS
Main mass:D. Bowers
Finder:DB10-4
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)

Direct link to this page