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Related to lopolith: Phacolith
A large, bowl-shaped body of igneous rock intruded between layers of sedimentary rock.
[Greek lopas, flat dish, casserole + -lith.]
(Geological Science) 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
[C20: from Greek lopas dish + -lith]
A saucer-shaped intrusion (some are huge) between rock strata.