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Northwest Africa 6274
Basic information Name: Northwest Africa 6274
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6274
Observed fall: No
Year found: 2010
Country: (Northwest Africa)
Mass:help 58.1 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  Howardite
Recommended:  Howardite    [explanation]

This is 1 of 372 approved meteorites classified as Howardite.   [show all]
Search for other: Achondrites, HED achondrites, and Howardites
Comments: Approved 19 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6274 (NWA 6274)

(Northwest Africa)

Purchased: 2010 Feb 12

Classification: HED achondrite (Howardite)

Petrography: (A. Irving and S. Kuehner, UWS): Polymict breccia composed mostly of basaltic eucrite clasts and debris, with >10 vol.% of diogenite material.

Geochemistry: Diogenitic orthopyroxene (Fs20.9Wo1.6; FeO/MnO = 34.7), pigeonite (Fs31.0Wo6.1; Fs55.5Wo17.0; FeO/MnO = 27.2-27.7), augite (Fs22.3Wo44.1; Fs30.7Wo36.1; FeO/MnO = 28.2-30.5), ferroan olivine (Fa66.3-67.7; FeO/MnO = 42.7-53.5), calcic plagioclase, chromite, ilmenite, and troilite.

Data from:
  MB100
  Table 1
  Line 1321:
Origin or pseudonym:Mali
Place of purchase:Bruegg, Switzerland
Date:P 2010 Feb 12
Mass (g):58.1
Pieces:1
Class:Howardite
Fayalite (mol%):66.3-67.7
Ferrosilite (mol%):20.9
Wollastonite (mol%):1.6
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):11.7
Type spec location:UWS
Main mass:M. Jost
Comments:SJS 10010; 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)
SJS: Space Jewels Switzerland, 2555 Brügg, Switzerland (private address; updated 3 Jan 2010)
Catalogs:
References: Published in Meteoritical Bulletin, no. 100, MAPS 49, E1-E101 (2014)
Find references in NASA ADS:
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Photos:
CreditPhotos
Photos uploaded by members of the Encyclopedia of Meteorites.
    (Caution, these are of unknown reliability)
Andreas Grünemeyer   
Dirk Hohmann      
eraserhead   
METEORITES AUSTRALIA      
Space Jewels   
Geography: 
Coordinates:Unknown.

Statistics:
     This is 1 of 6900 approved meteorites from (Northwest Africa) (plus 2027 unapproved names)

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