How Do Block Mountains Form - (a) block mountains are formed due to upward movement of middle block. Volcanic explosions tectonic faults that occur when tectonic plates slide past. Web mountains form in one of three ways: Web block mountains are formed in a number of ways:
(a) block mountains are formed due to upward movement of middle block. Web mountains form in one of three ways: Volcanic explosions tectonic faults that occur when tectonic plates slide past. Web block mountains are formed in a number of ways: