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      n   any metamorphic rock that can be split into thin layers because its micaceous minerals have become aligned in thin parallel bands  
     (C18: from French schiste, from Latin lapis schistos stone that may be split, from Greek skhizein to split)  
  schistose      adj  
  schistosity      n  

blue schist  
      n   a metamorphic rock formed under conditions of high pressure and relatively low temperature  
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Consulter aussi:

blue schist, schism, schistose, scholiast

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