A salt dome is a type of structural dome that forms when a body of rock salt is pushed upward into overlying rock layers through a process called diapirism. Salt domes can create distinctive surface and subsurface structures that are mapped using techniques such as seismic reflection, and they are important in petroleum geology because they can trap petroleum underground.
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Salt dome (Wikipedia)
In Discipline: Geomorphology, Lead paragraphQuote, In Discipline: Geomorphology, Lead paragraph
A salt dome is a type of structural dome formed when rock salt (or other evaporite minerals) pushes into overlying rocks in a process known as diapirism.
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