Igneous and metamorphic rocks exposed in the "stable" interiors of continents have necessarily been uplifted from much deeper levels in the Earth's crust.

Question

Quizplus · Accepted Answer

Igneous and metamorphic rocks are formed under high temperatures and pressures, which usually occur at deeper levels in the Earth's crust. Therefore, for these rocks to be exposed in the stable interiors of continents, they must have been uplifted from much deeper levels.

Igneous and Metamorphic Rocks Exposed in the "Stable" Interiors of Continents