Basin and Range

    Digital image showing the characteristic north-south trending mountain ranges associated with the extension

of this area.  The distance between Provo and Reno, Nevada has increased about 130 miles in the past 14 million

years.  The animation in this section is a good illustration of this area was first compressed, causing thrust faults

and folds, then pulled apart to form the mountains and valleys you see today. (Digital image by Ray Sterner, Johns

Hopkins University)