if the Grand Canyon was created by water erosion from the Colorado river, then how come there isn’t grand Grand Canyons around all or most major rivers?

Question

if the Grand Canyon was created by water erosion from the Colorado river, then how come there isn’t grand Grand Canyons around all or most major rivers?

In: Earth Science

Answer 1

The “stuff” that makes up the Grand Canyon was likely more susceptible to fast erosion than that in other areas.