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Definitions from WordNet

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Diapir

Noun

Sense 1: A body of rock that has risen and intruded into overlying rocks due to buoyancy.

Usage: The diapir formed as a result of the upward movement of a dense layer of salt.

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Noun

Sense 2: A salt dome.

Usage: Oil and gas deposits are often found in association with diapirs.

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Noun

Sense 3: A structure formed by the intrusion of molten rock into sedimentary strata.

Usage: The diapir caused significant deformation of the surrounding layers.

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Verb

Sense 1: To rise or be forced upward in a dome shape.

Usage: The pressure caused the magma to diapir through the crust.

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