- laccoliths
- n. mass of igneous rock formed beneath the Earth's surface which causes the ground above it to bulge
English contemporary dictionary. 2014.
laccoliths
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Laccolith — A laccolith is an igneous intrusion (or concordant pluton) that has been injected between two layers of sedimentary rock. The pressure of the magma is high enough that the overlying strata are forced upward, giving the laccolith a dome or… … Wikipedia
laccolith — laccolithic, laccolitic /lak euh lit ik/, adj. /lak euh lith/, n. Geol. a mass of igneous rock formed from magma that did not find its way to the surface but spread laterally into a lenticular body, forcing overlying strata to bulge upward. Also … Universalium
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Lamprophyre — Lamprophyres (Greek λαµπρός (lamprós) = bright and φύρω (phýro) = to mix) are uncommon, small volume ultrapotassic igneous rocks primarily occurring as dikes, lopoliths, laccoliths, stocks and small intrusions. They are alkaline silica… … Wikipedia
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