As much as 20 percent of the relative motion between the Pacific and North American plates may be accommodated by the extensional stretching of the Basin and Range province,leaving numerous north-south-oriented mountain ranges separated by down-dropped,sediment-filled basins.

Question

Quizplus · Accepted Answer

This statement is true. The Basin and Range province is located in the western United States and is characterized by alternating mountain ranges and valleys, which are the result of extensional stretching that has occurred over time as the Pacific and North American plates move relative to one another. It is estimated that up to 20 percent of the plate motion is accommodated by this process.

As Much as 20 Percent of the Relative Motion Between