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Laccolith |
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laccolith [′lakĀ·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. Want to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit the webmaster's page for free fun content. |
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