Laccolith meaning

lăkə-lĭth
A mass of igneous rock intruded between layers of sedimentary rock, resulting in uplift.
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A dome-shaped, irregular formation of intrusive igneous rock found between layers of sedimentary rock.
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(geology) A mass of igneous or volcanic rock found within strata which forces the overlaying strata upwards and forms domes.
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A body of igneous rock intruded between layers of sedimentary rock, resulting in uplift. Laccoliths are usually plano-convex in cross-section, having a flat bottom and a convex top, and are roughly circular in plan. They are usually connected to a dike and are typically up to 8 km (5 mi) in diameter and tens to hundreds of meters thick.
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Mass similar to lopolith but concave up.
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Origin of laccolith

  • Greek lakkos pond, cistern –lith

    From American Heritage Dictionary of the English Language, 5th Edition

  • Ancient Greek λάκκος (lakkos, “cistern”) + λίθος (lithos, “stone”)

    From Wiktionary