: a domical anticline in sedimentary rock that has a mass of rock salt as its core
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The Public Works facility salt dome, one of the city’s three domes, is almost empty, the report said.—R. Christian Smith, Chicago Tribune, 18 May 2026 Its oil is stored underground in a series of large salt domes in four locations across the Gulf Coast, in Texas and Louisiana.—Scott L. Montgomery, The Conversation, 23 Mar. 2026 Louisville recently added roughly 500 tons to its supply and its salt dome is now about two-thirds full, Bell said.—Caroline Neal, Louisville Courier Journal, 21 Jan. 2026 The first involves drilling into naturally occurring salt domes in the earth and injecting water to pump and hollow out the space.—Jordan Blum, Fortune, 23 Dec. 2025 See All Example Sentences for salt dome