dolerite definition, dolerite meaning | English dictionary

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dolerite

  

      n  
1    a dark basic igneous rock consisting of plagioclase feldspar and a pyroxene, such as augite; a coarse-grained basalt  
2    any dark igneous rock whose composition cannot be determined with the naked eye  
     (C19: from French dolérite, from Greek doleros deceitful; so called because of the difficulty of determining its composition)  
  doleritic      adj  
English Collins Dictionary - English Definition & Thesaurus  
See also:

doleritic, dolente, dole, doer

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