Laccolith

Pronunciation: /ˈɫækˈkoʊɫiˈtieɪtʃ/

Laccolith (noun)

  1. A type of igneous body where magma pushes between rock layers, forming a dome-shaped mass that cools underground.

Examples

  • A laccolith forms as a layered magma dome beneath the surface.
  • The layered magma dome of a laccolith can push surrounding rock upward.