What type of tectonic event formed the main structures in the Valley and Ridge Province of the Appalachian Mountains?
A) rifting and stretching of the continental crust
B) rifting and thickening of the continental crust
C) melting associated with an ocean-continent convergent margin
D) a continental collision

Question

Quizplus · Accepted Answer

The main structures in the Valley and Ridge Province of the Appalachian Mountains were formed by a continental collision. This event is part of the orogeny that created the Appalachian Mountains, involving the collision of the North American Plate with other plates, leading to folding, faulting, and uplift of the crust.

What Type of Tectonic Event Formed the Main Structures in the Valley