phacolith

名词 n.
中文释义

英文释义

名词 n.
  1. A lens-shaped mass that occurs in an anticlinal crest or synclinal trough.
    — This body is a phacolith intruded along the gneiss-schist boundary in the trough of a syncline that plunges 16° southeast.

词形变化

phacoliths plural

词源

Coined by English geologist Alfred Harker in 1909 as phacolite, from phaco- (“lens”) + -lite or -lith (“rock”).
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