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Itacolumite and Blueschist Definition


Definition

Definition
Blueschist is a metamorphic rock which is generally blue in color and is formed under conditions of high pressure and low temperature   
A yellow sandstone which is flexible when cut into thin strips   

History
  
  

Origin
USA   
Unknown   

Discoverer
Edgar Bailey   
Unknown   

Etymology
From French schiste, Greek skhistos i.e. split   
From the name of a mountain range where it was found; Itacolumi mountain in Brazil   

Class
Metamorphic Rocks   
Sedimentary Rocks   

Sub-Class
Durable Rock, Medium Hardness Rock   
Durable Rock, Hard Rock   

Family
  
  

Group
Not Applicable   
Not Applicable   

Other Categories
Fine Grained Rock, Medium Grained Rock, Opaque Rock   
Coarse Grained Rock, Fine Grained Rock, Opaque Rock   

Texture >>
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