Salt Dome

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Salt dome is a domical arch (anticline) of sedimentary rock beneath the earth's surface in which the layers bend downward in opposite directions from the crest and that has a mass of rock salt as its core.

It is a large intrusive mass of salt.[1]


  1. Pellant, Chris. The Complete Book of Rocks and Minerals, Pellant, p. 251, Dorling Kindersley Inc.: New York (1995).