它们是在美国墨西哥湾沿岸的那种很常见的盐丘吗？如果是的话，为什么地中海海底会有这么多坚硬的结晶盐呢？
Were they salt domes such as are common along the United States Gulf Coast, and if so, why should there have been so much solid crystalline salt beneath the floor of the Mediterranean?
因盐体塑性流动形成的构造圈闭类型主要有盐脊背斜、盐丘背斜、盐边向斜等。
The salt flow resulted in several kinds of structural traps mainly including salt ridge anticline, salt dome and salt edge syncline.
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。
A type of positive gravity anomaly that results from the presence of a dense cap rock overlying a relatively low-density salt dome.
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