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laccolith
lac·co·lith L0006300 (lăk′ə-lĭth′)n. A mass of igneous rock intruded between layers of sedimentary rock, resulting in uplift.
[Greek lakkos, pond, cistern + -lith.]laccolith (ˈlækəlɪθ) or laccoliten (Geological Science) a dome-shaped body of igneous rock between two layers of older sedimentary rock: formed by the intrusion of magma, forcing the overlying strata into the shape of a dome. See lopolith[C19: from Greek lakkos cistern + -lith] ˌlaccoˈlithic, laccolitic adjlac•co•lith (ˈlæk ə lɪθ)
n. a mass of igneous rock formed from magma that spread laterally into a lenticular body, forcing overlying strata to bulge upward. [1875–80; < Greek lákko(s) pond + -lith] lac`co•lith′ic, lac`co•lit′ic (-ˈlɪt ɪk) adj. laccolithA lens-shaped mass of intrusive igneous rock that pushes overlying rocks into a dome.Laccolith
laccolith[′lak·ə‚lith] (geology) A body of igneous rock intruding into sedimentary rocks so that the overlying strata have been notably lifted by the force of intrusion. Laccolith mushroom-shaped (bun-shaped) mass of igneous rock formed when magma intrudes between layers of sedimentary rock; the layers of sedimentary rock are moved apart and raised in a domelike shape above the intrusion. |