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salt dome
noun
, Geology.
- a domelike rock structure that is formed beneath the earth's surface by the upward movement of a mass of salt, may reach thousands of feet in vertical extent, and is more or less circular in plan: often associated with oil and gas pools.
salt dome
noun
- a domelike structure of stratified rocks containing a central core of salt: formed by the upward movement of a salt deposit
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Word History and Origins
Origin of salt dome1
First recorded in 1905–10
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Example Sentences
Experts believe the sinkhole is caused by the erosion of a large salt deposit or salt dome on which Daisetta is built.
From Washington Times
Here in the rural Utah desert, developers plan to create caverns in ancient salt dome formations underground where they hope to store hydrogen fuel at an unprecedented scale.
From Seattle Times
The roof was torn off the old salt dome.
From Washington Times
There’s also a massive underground salt dome directly across the street from the coal plant, where the Los Angeles utility hopes to bank electricity generated by solar and wind power through a technology called compressed air energy storage.
From Los Angeles Times
The salt dome could be used to storage renewable hydrogen, too.
From Los Angeles Times
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