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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Famous quotes containing the words salt and/or dome:
“It is terrible to die of thirst on the ocean. Do you have to salt your truth so heavily that it no longer—quenches thirst?”
—Friedrich Nietzsche (1844–1900)
“A starlit or a moonlit dome disdains
All that man is,
All mere complexities,
The fury and the mire of human veins.”
—William Butler Yeats (1865–1939)