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laccolithA concordant igneous intrusion with a flat floor and a convex upper surface, usually less than 8 km across and from a few meters to a few hundred meters thick at its thickest point.
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laccolithLenticular mass of igneous rock that is stuck between layers of sedimentary rock.
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laccolithmagma that is trapped between layers of sedimentary rock, forming a domed hill. Also called laccolite.
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laccolithA blister of magma that forces the overlying rocks into a dome.
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laccolithLenticular mass of igneous rock stuck between layers of sedimentary rock.
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laccolitha body of igneous rock in the shape of a lens that penetrates a layer of sedimentary rocks and produces a structure that has a domed roof and a flat floor
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laccolith
(geology) a mass of igneous or volcanic rock found within strata which forces the overlaying strata upwards and forms domes.
mass similar to lopolith but concave up.
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