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[lop-uh-lith] /ˈlɒp ə lɪθ/
noun, Geology.
a mass of igneous rock similar to a laccolith but concave downward rather than upward.
Origin of lopolith
1915-20; < Greek lop(ós) shell, husk + -o- -o- + -lith Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2017.
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British Dictionary definitions for lopolith


a saucer- or lens-shaped body of intrusive igneous rock, formed by the penetration of magma between the beds or layers of existing rock and subsequent subsidence beneath the intrusion Compare laccolith
Word Origin
C20: from Greek lopas dish + -lith
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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lopolith in Science
A large, bowl-shaped body of igneous rock intruded between layers of sedimentary rock. Lopoliths are usually connected to a dike and are typically tens of kilometers thick and hundreds of kilometers wide.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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