salt' dome"

a domelike rock structure that is formed beneath the earth's surface by the upward movement of a mass of salt, may reach thousands of feet in vertical extent, and is more or less circular in plan: often associated with oil and gas pools. Cf. diapir.

Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.

salt chucksalted


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