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plutonicmore about plutonic

plutonic


  2  definitions  found 
 
  From  Webster's  Revised  Unabridged  Dictionary  (1913)  [web1913]: 
 
  Plutonic  \Plu*ton"ic\,  a.  [Cf.  F.  plutonique  See  {Pluto}.] 
  1.  Of  or  pertaining  to  Pluto;  Plutonian;  hence  pertaining  to 
  the  interior  of  the  earth;  subterranean. 
 
  2.  Of  pertaining  to  or  designating,  the  system  of  the 
  Plutonists;  igneous;  as  the  Plutonic  theory. 
 
  {Plutonic  action}  (Geol.),  the  influence  of  volcanic  heat  and 
  other  subterranean  forces  under  pressure. 
 
  {Plutonic  rocks}  (Geol.),  granite,  porphyry,  and  some  other 
  igneous  rocks,  supposed  to  have  consolidated  from  a  melted 
  state  at  a  great  depth  from  the  surface.  Cf  {Intrusive 
  rocks},  under  {Intrusive}. 
 
  {Plutonic  theory}.  (Geol.)  See  {Plutonism}. 
 
  From  WordNet  r  1.6  [wn]: 
 
  plutonic 
  adj  :  igneous  rock  that  has  solidified  beneath  the  earth's 
  surface;  granite  or  diorite  or  gabbro  [syn:  {irruptive}, 
  {eruptive}] 




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