Sentences with phrase «trapped under the crust»

And the oceanic crust has what appears to be a thick underplating of rock formed when magma that was working its way toward the surface became trapped under the crust and cooled — very much like the processes that occur under the Hawaiian Islands.

Not exact matches

Trapped and under great pressure and heat, the water was released from the oceanic plate and moved up through the mantle and toward the lower crust.