A type of positive gravity anomaly that results from the presence of a dense cap rock overlying a relatively low-density salt dome.

一种正的重力异常，是由上覆在相对低密度的盐丘上的致密的盖层岩石引起的。

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His baseball cap was of the same material, a plain-billed dome with no inscription.

NEWYORKER: Idols

As I understand it, the dome now sits several hundred yards away from the active well, as they seek solutions for dealing with the hydrates that have formed inside the containment dome that have made what they had hoped would be something that could cap and vacuum the oil, make it -- that that would be successful.

WHITEHOUSE: 5/10/10: White House Press Briefing