A plug of salt subsurface that intrudes and disrupts the overlying units.
A dome shaped geologic structure formed by the intrusion of salt into overlying sediments.
A rising bulbous dome of salt that bends up the adjacent layers of sedimentary rock.
a circular structure of sedimentary rocks resulting from the upward movement of a subterranean mass of salt; a diapiric structure. [AHDOS
A salt dome is formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir.