Salt dome

Left shows a generalized structure of a salt dome. Right shows two fault regimes that make up the crestal graben, the dotted line indicates the top of the salt.

End-on view of emergent salt dome between remnants of displaced overburden

A salt dome is a type of structural dome formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir. It is important in petroleum geology because salt structures are impermeable and can lead to the formation of a stratigraphic trap.

单词	Salt dome
释义	Salt dome 英语百科 Salt dome A salt dome is a type of structural dome formed when a thick bed of evaporite minerals (mainly salt, or halite) found at depth intrudes vertically into surrounding rock strata, forming a diapir. It is important in petroleum geology because salt structures are impermeable and can lead to the formation of a stratigraphic trap.
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