Both platforms are carved within the Earth's crust and made of concrete.

Even the properties of the rocks deep within the earth's crust differ among the provinces.

Folding is one of the endogenetic processes; it takes place within the Earth's crust.

This, of course, is easier than finding provable hypotheses for which we may expect evidence within the earth's crust.

Both events are related to goings-on within the Earth's crust.

The first event was caused by magma rising from deep within the Earth's crust.

The basis of his position is that deep within the Earth's crust there are "reducing" rather than "oxidizing" conditions.

Now, however, evidence has been found that, in one class of diamonds, the carbon came from sediment within the earth's crust.

The platforms are carved within the Earth's crust on an open cut.

"pushed up by tremendous forces originating deep within the earth's crust".