Question

Which of the following statements best characterizes the geology of western North America, starting in California and extending through British Columbia and up into Alaska?
A) Divergent rifting creating deep, wide valleys with grabens
B) Collision of a massive subcontinent of old igneous and metamorphic rocks, resulting in fold-and-thrust mountains that are still growing
C) Geologically distinct, microcontinent-sized fragments and terraces accreted to the continent
D) Metamorphosed accretionary wedges

Answer

This answer is hidden. It contains 1 characters.