SALTDOME

Salt dome

A salt dome is a type of structural dome formed when a thick bed of evaporite minerals 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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salt dome

Noun

  1. An upwelling of crystalline rock salt and its aureole of deformed sediments.


The above text is a snippet from Wiktionary: salt dome
and as such is available under the Creative Commons Attribution/Share-Alike License.

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