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  nwa 1769
(HOW, S3, W1) Meteoritical Bulletin #88
 
 
NWA 1769
56 g individual © P. Thomas
 
 

Origin or pseudonym: Mauritania
Place of purchase: Erfoud
Date: 2001
Mass (g): 589
Pieces: 4
Class: How
Shock stage: S3
Weathering grade: W1
Ferrosilite (mol%): 21.2
Classifier: M. Bourot-Denise, MNHNP. Magnetic measurements by P. Rochette, CEREGE, Marseille
Comments: 2 fragments & 2 complete stones; clastic texture with major opx; cpx: Fs28.9-62.05Wo39.68-4.60; An89.47

 
     
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Evidence for K-rich terranes on Vesta from impact spherules
PDF file (1,4 Mo) in English © The Meteoritical Society, 2009
Mauritania  
     
  this meteorite is available on request
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64.68 g endcut © P. Thomas
 
     
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