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Northwest Africa 6503
Basic information Name: Northwest Africa 6503
     This is an OFFICIAL meteorite name.
Abbreviation: NWA 6503
Observed fall: No
Year found: 2009
Country: (Northwest Africa)
Mass:help 20.1 g
Classification
  history:
Meteoritical Bulletin:  MB 100  (2012)  LL6
Recommended:  LL6    [explanation]

This is 1 of 2740 approved meteorites (plus 1 unapproved name) classified as LL6.   [show all]
Search for other: LL chondrites, LL chondrites (type 4-7), Ordinary chondrites, and Ordinary chondrites (type 4-7)
Comments: Approved 19 Sep 2011
Writeuphelp
Writeup from MB 100:

Northwest Africa 6503 (NWA 6503)

(Northwest Africa)

Purchased: 2009 Feb

Classification: Ordinary chondrite (LL6)

Petrography: Metamorphic texture with regions of different grain size and some recognizable relict recrystallized chondrules.

Geochemistry: Oxygen isotopes (R. Tanaka, Okayama U.): δ17O = 4.024, 3.945; δ18O = 5.340, 5.257; Δ17O = 1.210, 1.174 per mil

Data from:
  MB100
  Table 1
  Line 1400:
Place of purchase:eBay
Date:P 2009 Feb
Mass (g):20.1
Pieces:1
Class:LL6
Shock stage:S2
Weathering grade:W1/2
Fayalite (mol%):29.0±0.0
Ferrosilite (mol%):23.8-24.2; 11.4-12.2
Wollastonite (mol%):4.0-3.7; 41.4-40.0
Classifier:A. Irving and S. Kuehner, UWS
Type spec mass (g):5.3
Type spec location:UWS
Main mass:JUtas
Comments:Submitted by A. Irving
Plots: O isotopes:  
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)
JUtas: Jason Utas, United States (private address; updated 8 Jun 2010)
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 6752 approved meteorites from (Northwest Africa) (plus 2052 unapproved names)

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