a dome-shaped, irregular formation of intrusive igneous rock found between layers of sedimentary rock
Origin of laccolith; from Classical Greek lakkos, a cistern + -lith
A mass of igneous rock intruded between layers of sedimentary rock, resulting in uplift.
Origin of laccolithGreek lakkos, pond, cistern + –lith.
Ancient Greek λάκκος (lakkos, “cistern”) + λίθος (lithos, “stone”)