A plume of magma pushes its way into a crack in Earth's crust. The heat causes _____.
contact metamorphism
regional metamorphism
dynamic metamorphism
igneous metamorphism
The correct answer is "contact metamorphism." A plume of magma pushes its way into a crack in Earth's crust. The heat causes contact metamorphism. Contact metamorphism is a metamorphism due to contact with or proximity to an igneous intrusion.
